Page 3
TABLE OF CONTENTS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ..............1- -1 SAFETY PRECAUTIONS .
Page 4
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page REMOTE EVAPORATOR(S) ............2--13 2.5.1 Evaporator Coil(s) .
Page 5
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page MANUAL DEFROST ..............3--13 3.10 TRIP START .
Page 6
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page CONTINUOUS OPERATION ............4--6 4.5.1.
Page 7
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page 5.7.3 Microprocessor Setup ............. . 5--10 5.7.4 Configurations Via Keypad .
Page 8
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page 7.6 WARNING / STATUS ALARMS ............7--35 ALTERNATOR NOT CHARGING (This alarm applies to the Battery Charger) .
Page 9
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page 7.8 SENSOR ALARMS ..............7--74 CHECK AMBIENT AIR SENSOR .
Page 10
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page P175 CHECK HIGH SPEED RPM ........... . 7--105 P176 C3 CHECK LSV VALVE...
Page 11
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page SERVICE ..................8- -1 SECTION LAYOUT .
Page 12
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page 8.6.3 Leak Checking ..............8--17 a.
Page 13
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page 8.9.3 Light Bar ............... . . 8--36 8.9.4 Overload Ground Fault (OGF) .
Page 14
TABLE OF CONTENTS - - Continued PARAGRAPH NUMBER Page WIRING ..................10- -1 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY...
LIST OF ILLUSTRATIONS FIGURE NUMBER Page Figure 1--1 Lockout/Tagout ..............1--1 Figure 2--1 Front View -- Refrigeration System Components .
Page 16
LIST OF ILLUSTRATIONS - - Continued FIGURE NUMBER Page Figure 8--16 Water Pump V--Belt ............. . . 8--14 Figure 8--17 Engine Crankcase Breather .
Page 17
LIST OF ILLUSTRATIONS - - Continued FIGURE NUMBER Page Figure 9--5 Micro Diagnostic Tree -- Cond. 1 -- Main Power Switch On -- Unit Does Not Operate ..9--14 Figure 9--6 Micro Diagnostic Tree -- Cond. 2 -- Main Power Switch On -- Unit Operates But Not Properly 9--15 Figure 9--7 Micro Diagnostic Tree -- Cond.
Page 18
SECTION 1 - - SAFETY PRECAUTIONS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ............1--1 SPECIFIC WARNING AND CAUTION STATEMENTS .
The engine is equipped with a pressurized cooling system including a pressurized coolant bottle. Under Your Carrier Transicold refrigeration unit has been normal operating conditions, the coolant in the engine designed with the safety of the operator in mind. During and radiator is under high pressure and is very hot.
1.2 SPECIFIC WARNING AND CAUTION WARNING STATEMENTS To help identify the label hazards on the unit and explain Do not connect power plug to any electrical the level of awareness each one carries, an explanation outlet without checking that it meets the is given with the appropriate consequences: 460/3/60 electrical...
Page 21
Do not unscrew replacement compressor a problem develop with these components, lifting eyelet/blankoff plate mounting contact your nearest Carrier Transicold capscrews all the way before breaking seal. dealer for replacement. Entrapped pressure could result in injury. CAUTION WARNING Use only ethylene glycol anti-freeze (with...
Page 22
Most electronic components are suscepti- ert gas brazing procedures is mandatory for ble to damage caused by electrical static all Carrier Transicold refrigeration units; discharge (ESD). In certain cases, the hu- otherwise compressor failure will occur. man body can have enough static electric-...
Page 23
An overcharge of oil will reduce system ca- CAUTION pacity and possibly cause internal com- pressor damage. A mica shim (Carrier Transicold part num- ber 54- -00630- -25) must be installed before CAUTION removal of the generator. The generator is to be removed as one piece, with the shim in place.
1.3 SAFETY DECALS THE RECEIVER KING VALVE (LIQUID LINE SERVICE VALVE) AND DISCHARGE SERVICE VALVES MUST BE OPENED BEFORE STARTING ENGINE 62--03953--01 ( NOTE: This tag is attached to the liquid line ser- vice valve and discharge service valve at assembly) 62-11524 1--6...
Page 25
CONTAINS HOT SURFACES THAT WILL IGNITE COMBUSTIBLES AND FLAMMABLE MATERIALS SUCH AS BIRD NESTS, LEAVES, TREE LIMBS OR MAINTENANCE MATERIALS SUCH AS SHOP RAGS. DO NOT OPERATE WITHOUT INSPECTION. FIRES AND SERIOUS INJURIES MAY RESULT. SAFETY INSTRUCTIONS INSPECT UNIT DAILY PRIOR TO OPERATION. REMOVE ANY COMBUSTIBLE FOREIGN MATERIAL.
Page 26
THE ENGINE SPEED ON THIS UNIT MUST BE SET AT 1350 RPM ON LOW SPEED AND AT 1800 RPM ON HIGH SPEED. INCORRECT SPEED SETTINGS MAY CAUSE THE GENERATOR TO RUN AT THE WRONG VOLTAGE 62- -11450- -00 WARNING CONTAINS AIR HEATER THAT COULD IGNITE FLUIDS.
Page 27
WARNING THIS UNIT CHARGED WITH R- -404A CAUTION ! COMPRESSOR MUST BE CHARGED WITH P.O.E. OIL ONLY: CTD P/N: 07- -00317- -00 MOBIL ARCTIC P.N: EAL63 CTD P.N: 62- -03797- -11 62-11524 1--9...
WARNING Temperature control is provided by the Carrier Transicold Advance microprocessor (Refer to Section Be aware of HIGH VOLTAGE supplied at the 2.6).
12 Note: Junction box may be located on front or rear of compressor Defrost Air Switch (DAS) Compressor Discharge Pressure Receiver & Sight Glasses Transducer (CDP) Filter--Drier High Pressure Switch (HP1) Liquid Line Service Valve Compressor Suction Pressure Compressor Suction Service Valve Transducer (CSP) Compressor Discharge Service Valve Rear Unloader Solenoid Valve (UL2)
Exhaust (Location) Switch Board Coolant Bottle (Location) Keypad Door Air Cleaner & Air Cleaner Service Indicator Serial Download Port (SLP) (Behind bracket) Lube Oil Filter Engine Speed Control Unit (ENSCU) Lube Oil Fill & Dipstick Engine Coolant Temperature Sensor (ENCT) Lube Oil Drain Intake Air Heater (IAH) Starter Motor (SM)
Defrost Termination Temperature Sensor Evaporator Outlet Pressure Transducer (EVOP) (DTT -- Located on curbside tube sheet) Evaporator Outlet Temperature Sensor (EVOT Evaporator Air Nozzle -- On suction line under insulation) Evaporator Fan/Motor Assembly (EVM) Evaporator High Temperature Switch (1EVHTS Evaporator Fan/Motor Wiring -- Located on roadside tube sheet) Supply Air Temperature Sensor (1SAT) Evaporator Coil...
FAN 2 FAN 1 HARNESS WIRING NOTE: FUSE F16 = REMOTE EVAPORATOR DRAIN HEATERS (2CH) CONFIGURATION SIMILAR FOR ALL EVAPORATORS, MODEL MHD1100 SHOWN Coil Supply Air Temperature Sensor Fan & Motor Assembly (2SAT --Optional) (2EVM1/2/3 or 4 & 2EVMIP1.2.3 or 4) Heaters (2HTR1 &...
2.3 CONDENSING SECTION b. Fuel/Speed Actuator (FSA) The condensing section (see Figure 2--1 & Figure 2--2) The FSA combines the fuel shutoff solenoid and speed consists of an engine--generator drive package, control solenoid into one component. Fuel supply to the compressor, condenser fans, condenser coil, radiator, injectors and engine speed is controlled by varying rod position in accordance with the signal from the ENSCU.
Solenoid Valve Strainer Valve Stem Suction Manifold Gas Bypass Port Cylinder Discharge Valve Spring Guide Valve Plate Spring Cylinder Suction Valve Piston Discharge Check Valve Assembly Bypass Valve Discharge Manifold Bleed Orifice Figure 2- -8 Compressor Cylinder Head Unloaded b. Unloaded Operation Pressure from the discharge manifold (item 15, When the pressure behind the piston has been reduced Figure 2--8) passes through the strainer (9) and bleed...
d. Compressor Suction Temperature Sensor (CST) across the coil) or by the defrost timer in the micropro- cessor. The CST provides a signal to the microprocessor equivalent to to the temperature of the gas entering the 2.4.1 Evaporator Coil compressor suction service valve. It is located on the The unit evaporator is a tube in fin type.
LSV to the thermal expansion valve 2.6 SYSTEM OPERATING CONTROLS AND (TXV). The TXV controls the flow of liquid to the coil(s) COMPONENTS according to changes in superheat of the refrigerant Temperature control is provided by the Carrier leaving the evaporator. Transicold Advance microprocessor.
The PC card slot allows programming of the S Unit Data and Functional Parameters. microprocessor using Carrier Transicold PC Cards. The microprocessor automatically detects the presence and S Programmable Maintenance Hour Meters (resettable type of PC Card inserted and responds accordingly. The from the Keypad).
ALTERNATE CONFIGURATION - -20 +34 F STANDBY ENGINE ENGINE START/RUN SELECT MANUAL ALARM LIST START- - STOP/ DEFROST CONTINUOUS STANDBY MAIN POWER SWITCHES Indicator lights MAIN POWER SWITCHES Keypad Door Diesel/Off/Engine Standby Switch (DOES) Main Display (Note: switch is labeled MessageCenter ENGINE/OFF/STANDBY) Keypad...
Page 45
Message Center d. Keypad UP ARROW and DOWN ARROW Keys Messages generated by the microprocessor are These keys allow changing of the setpoints displayed in the MessageCenter. As the main display or other displayed data of the system. They scrolls every 5 to 10 seconds from one active also allow scrolling through the Unit Data, compartment to another, the applicable message for Function Parameters List, Alarm List, etc.
2.7 ELECTRONIC MODULES 2.7.1 Overload Ground Fault Module (OGF) AMBER GREEN Figure 2- -12 OGF Module Figure 2- -14 Light Bar The OGF, see Figure 2--12, is located in the control box 2.8.2 Remote Switch(es) (see Figure 2--6). The module has two electrical safety The unit is provisioned to connect remote switches (DS features which are active in both Engine and Standby or REMS) directly to the microprocessor.
2.8.3 Remote Temperature Sensors panel. The panel displays refrigerated compartment setpoints, compartment temperatures and operating modes (heat, cool or defrost). The setpoint may be set Two compartment units are provisioned to connect one and the unit may be started and stopped using the or two remote temperature sensors directly to the remote panel.
2.10 COMPRESSOR DATA Compressor Model Number of Cylinders Type Semi--hermetic Reciprocating Weight 325 lbs (1478 kg) Oil Charge 7.6 pints (3.6 liters) Approved OIl Mobil Arctic EAL 68 2.11 REFRIGERATION SYSTEM DATA Defrost Air Switch (DAS) Initiates Defrost: 1.40 ¦ .07 inch (35 ¦ 1.8 mm) WG Defrost Timer (micro controlled) 1.5h, 3h, 6h, or 12 hours °¦...
2.12 ELECTRICAL DATA - - Continued Full Load Amps (FLA) 1.9 amps @ 460 vac, 60 hz Horsepower 1.35 hp (1007 watts) @ 60hz Speed 3500 rpm @ 60 hz Compartment 1 Voltage and Frequency 310 to 660 VAC 45 to 65 Hz Evaporator Fan Motor Bearing Lubrication Factory lubricated, additional grease not required...
2.14 SAFETY DEVICES The system is protected from high pressure conditions which may occur when exposed to very high temperatures (such as a fire) by a fusible plug mounted in the receiver. Under very high temperature conditions (refer to Section 2.11) the plug will melt, releasing the refrigerant pressure.
2.15 REFRIGERANT CIRCUIT DURING COOLING meters the flow of liquid refrigerant to the evaporator to obtain maximum use of the evaporator heat transfer When cooling, (See Figure 2--15) the unit operates as a surface. vapor compression refrigeration system. The main The refrigerant pressure drop caused by the expansion components of the system are: the (1) reciprocating valve is accompanied by a drop in temperature so the...
SECTION 3 OPERATION 3.1 STARTING - - ENGINE OPERATION WARNING Advance microprocessor equipped units may start automatically at any time the Main Power switch is not in the OFF position. Also, the unit may be fitted with two way communication equipment that will allow starting of the unit from a remote location even though the switch is in the OFF position.
Page 55
3.2 STARTING - - STANDBY OPERATION WARNING Be aware of HIGH VOLTAGE supplied at the power plug or from the generator. When performing ser- vice or maintenance procedures: ensure any two way communication is disabled in accordance with the manufacturer’s instructions, ensure the Main Power switch is in the OFF position and, whenever practical, disconnect the high voltage source, lockout/tagout the receptacle and disconnect the neg- ative battery connection.
Page 56
Starting units with a Main Power switch labeled START/RUN- -OFF 1. Ensure the switch labeled ENGINE/STANDBY 2. Ensure the external power circuit breaker is off, is in the STANDBY position and the switch connect standby cable to unit and then turn the ex- labeled START/RUN--OFF is in the OFF posi- ternal power circuit breaker on.
Page 57
3.3 SELF TEST MODE LIGHTS MAIN DISPLAY MessageCenter DOOR ENGINE STANDBY SELF TEST When first powered up, the microprocessor will run a Refer to Section 3.12 for information on viewing in- self test consisting of the following steps: active alarms. •...
Page 58
3.4 PRETRIP 1. Place the switch labeled ENGINE/OFF/STANDBY in the desired po- sition OR place the switch labeled START/RUN--OFF in the START/ RUN position. HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE TEST #1 XX% COMPLETE KEYPAD MANUAL SELECT...
Page 59
PRETRIP (Continued) Test 1 - - Display Test The microprocessor activates the display, and both lights on the Light Bar. This test will last 5 seconds. All segments of the display, all LEDs on the microproces- sor, both lights of the Light Bar will be on during this test. If “CAN NOT START PRETRIP”...
Page 60
PRETRIP (Continued) Test 10 - - Condenser Fan Motors Amperage Check The condenser fan motor contactor will be energized Test 3 - - Refrigeration System Equalization Check and checked for proper current draw. An alarm will be With the engine and the unit off, the CSMV will open to activated if the condenser fan motors are not drawing 50% and the EVXV will open to 100% so that the pres- amperage in the expected range.
Page 61
3.5 CHANGING SETPOINT HEAT COOL DEFROST ALARM START-STOP CONTINUOUS 1. Watch the dis- +34 F - -20 play until the re- frigerated com- partment num- ber for which the SETPOINT BOX TEMPERATURE setpoint is being SETPOINT CHANGED changed is dis- played.
3.7 CONTINUOUS OPERATION CONTINUOUS OPERATION HEAT COOL DEFROST ALARM START-STOP CONTINUOUS LIGHT +34 F - -20 SETPOINT BOX TEMPERATURE CONTINUOUS RUN MODE SELECTED MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. Press the START-STOP/CONTINU- OUS key until the CONTINUOUS 2.
Page 64
3.8 SLEEP MODE HEAT COOL DEFROST ALARM START-STOP CONTINUOUS SETPOINT BOX TEMPERATURE SLEEP MODE SETTINGS MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS TO ENTER SLEEP MODE 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2.
Page 65
Pressing the = key will allow the user to select the date If the unit is already running when Sleep Mode is se- lected, it will continue to run until the conditions de- and time the unit is to automatically wake up. The wake up time must be at least 1 hour and no more than 8 days scribed above are met.
3.9 MANUAL DEFROST DEFROST LIGHT HEAT COOL DEFROST ALARM START-STOP CONTINUOUS SETPOINT BOX TEMPERATURE DEFROST CYCLE STARTED MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS Press the MANUAL DEFROST key. The DEFROST light will come on and the Messa- geCenter will display “DEFROST CYCLE STARTED”...
3.10 TRIP START HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE TRIP START ENTERED MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. To mark the start of a trip in the DataLink data recorder, press the SELECT key until the MessageCenter displays “PRESS = TO MARK TRIP START”.
3.11 VIEW ACTIVE ALARMS ALARM LIGHT HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE NO ACTIVE ALARMS MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. Press the ALARM LIST key. If there are no active alarms, “NO ACTIVE ALARMS”...
Page 69
3.12 VIEW INACTIVE ALARMS HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE NO INACTIVE ALARMS MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. Press and hold both the ALARM LIST key and the UP ARROW key for six seconds. If there are no inactive alarms, the display will read “NO INACTIVE ALARMS”...
3.13 UNIT DATA HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE PRESS ↑ ↓ TO VIEW DATA MANUAL SELECT ALARM LIST START-STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW DATA.” 2.
Page 71
Table 3-1. Unit Data - - Continued * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings C2 RETURN AIR TEMP Compartment 2 Return (air entering evaporator) temperature C3 RETURN AIR TEMP Compartment 3 Return (air entering evaporator) temperature SUPPLY AIR TEMP Compartment 1 Supply (air leaving evaporator) temperature...
Page 72
Table 3-1. Unit Data - - Continued * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings + HOURS TO UNIT This is only displayed when the meter is configured ON. Number of MAINTENANCE switch--on hours until the next programmed general unit maintenance.
Page 73
3.14 VIEW HOUR METERS HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE TOTAL ENGINE HOURS: 0 HRS MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter dis- plays “PRESS ↑↓...
Table 3-2 Functional Parameters PARAMETER FUNCTION DESCRIPTION SELECTIONS NOTES: Selections in BOLD are the default settings. Also, Functional Parameter marked with an asterisk (*) may not display in the list for this unit, depending on how the microprocessor has been configured. SILENT MODE OFF = Normal engine speed operation.
Page 76
Table 3-2 Functional Parameters - - Continued PARAMETER FUNCTION DESCRIPTION SELECTIONS PERISHABLE OFF = Supply air temperature will be limited to the colder temperature SENSITIVE of 32°F (0°C) or setpoint less the Supply Air Limit Configuration value. PRODUCT ON = Supply air temperature will be limited to setpoint less the Supply Air Limit Configuration value.
Page 77
Table 3-2 Functional Parameters - - Continued PARAMETER FUNCTION DESCRIPTION SELECTIONS Low Speed Startup Minutes Allows user to set the number of minutes the unit will run in low speed every time the engine starts. Press “=” to access menu. SCONTINUOUS Allows user to set the number of minutes the unit will run in low speed 1 to 255MINS...
3.16 LANGUAGE SELECTION HEAT COOL DEFROST ALARM START-STOP CONTINUOUS +34 F - -20 SETPOINT BOX TEMPERATURE ESPAÑOL MANUAL SELECT ALARM LIST START- - STOP/ DEFROST CONTINUOUS 1. Press and hold the SELECT key for 6 seconds until Mes- sageCenter displays the current language (ENGLISH, ESPAÑOL, FRANÇAIS or PORTUGUÊS).
3.17 STOPPING UNIT WARNING Always place the Main Power switch in the OFF position and turn off the high voltage power supply before disconnecting the high voltage power plug from the unit. unit off ENGINE STANDBY To stop the unit, place the 2nd Compartment Run switch (C2) and/or 3rd Compartment Run switch (C3) in the OFF position, as required, and then place the Main Power switch in the OFF position.
Page 80
3.18 DataLink DATA RECORDER b. Sensor Data This information is recorded at pre--determined inter- The Advance microprocessor contains a built-in vals as a snapshot of the sensor at the time of the re- DataLink data recorder with 512K of memory. The re- cording, or an averaged reading of the sensor readings corded data can be downloaded from the DataLink data since the last recording.
Page 81
Power switch is not in the OFF position. nication providers with recommended installation loca- Also, the unit may be fitted with two way tions, and wiring connections to Carrier units. Instruc- communication equipment that will allow tions for installing this equipment is supplied by each individual provider, and not by Carrier Transicold.
Page 82
3.19.2 Remote Control Panel COMPARTMENT 1 1 Control panel power on LED 2 System ON/OFF key 3 Reset Button COMPARTMENT 2 4 Manual defrost key 5 Control panel lock LED 6 HEAT mode LED 7 COOL mode LED 8 Setpoint display 9 Up and down arrow keys COMPARTMENT 3 10 Temperature display...
Page 83
a.Starting Unit with Remote Control Panel NOTES 1. The unit can be shutdown using either the remote panel or the unit switch panel mounted Main Power switch. The remote panel cannot operate if the unit switch panel mounted Main Power switch is in the OFF position.
6. Follow same procedure for the next three temperatures. COMPARTMENT 3 COMPARTMENT 3 7. Repeat steps 3 through 6 to pre--set the setpoints for the oth- er compartments. 2. Press Carrier logo and the lock light will illuminate. 62-11524 3--31...
Page 85
4. Set temperature to lowest pre--set setpoint and OFF will be displayed 5. Repeat steps 3 & 4 to remove COMPARTMENT 3 the pre--set setpoints for the oth- er compartments. 2. Press Carrier logo and the lock light will illuminate. 62-11524 3--32...
Page 86
SECTION 4 - - ENGINE/STANDBY/TEMPERATURE CONTROL PARAGRAPH NUMBER Page INTRODUCTION ..............4--1 ENGINE/STANDBY OPERATION .
SECTION 4 ENGINE/STANDBY/TEMPERATURE CONTROL NOTES 1. If the unit is in an alarm condition, the microprocessor alarm response may override the operation described herein. If an alarm is displayed in the MessageCenter, refer to the specific alarm description in Section 7 for “Unit Control” descriptions. 2.
The engine start sequence consists of periods of time If the unit is equipped with a fuel heater, the microprocessor will monitor ambient temperature. If with the intake air heater relay (IAHR) and starter solenoid relay (SSR) energized and de--energized for ambient is below 77°F (25°C) power will be supplied to up to three start attempts.
Page 89
• when in Engine Operation and the microprocessor is NOTES calling for low speed due to an override or Configura- 1. The compressor is always started with both tion Setting. unloaders energized (unloaded). After 10 • when in Start--Stop Operation and the compartment seconds of operation (for UL1) or 1 minute of operation (for UL2) they are allowed to temperature Stop Parameter for all compartments...
Page 90
4.4.1 Start- -Stop Configuration circulate the air inside the compartments, and to ensure that the product temperature is at setpoint. This value Microprocessor control of Start--Stop Operation is may be set from 4 to 60 minutes in 1 minute intervals. dependent on both Configuration and Functional The factory default setting is 4 minutes.
Page 91
If only one compartment in operating and it is not in engine will be started or, when in a Standby Operation OFF Cycle, a PSCON relay will be energized to supply Pulldown or Pull--Up, that compartment will remain in operation with the compressor and heaters off. power to the battery charger.
Page 92
4.5 CONTINUOUS OPERATION The switch points will differ depending on the setting of the microprocessor ECO MODE Functional Parameter. 4.5.1. Introduction This value may be set to YES or NO. The factory default setting is NO. With ECO MODE set to NO, the In Continuous Operation, the unit will not shutdown except microprocessor will control temperature closer to in response to a shutdown alarm.
FALLING REFRIGERATED COMPARTMENT TEMPERATURE SWITCH POINTS Pulldown = High Speed Transition to low speed at 6 Cylinder COOL Enter high speed at Start- - Start- -Stop Override Stop Override Functional Functional Parameter Parameter Value + 2 Value + 1 (+7.2 to 23.4°F = +4 to 12°C) (+5.4 to 19.8°F = +3 to 11°C) Low Speed Enter cool at Start- -Stop...
Page 95
4.6 DEFROST 2. There is a single defrost timer. When the timer expires initiation of defrost in the compartments may be staged depending Defrost is an independent cycle overriding cooling and on the number of compartments enabled heating functions in order to de-ice the evaporators. When and the models of remote evaporators the unit is in defrost, the DEFROST LED will be on, the installed.
Page 96
When operating in natural defrost, defrost will continue operated with the fan operating and the liquid control valve pulsing on a 20 second cycle, 8 seconds on and 12 in that compartment for a minimum of 5 minutes, a maximum of 10 minutes, or until the SAT is equal to or seconds off, for the duration of the Frozen Priority Time higher than the RAT.
Page 97
NOTE either or both compartments will be the calculated value of setpoint minus the configured Supply Air Limit value. These values are all negative (except for 0), therefore, when the value is added to the set- point, the result will be a temperature that is less Supply Air Limit controls the temperature of the supply than the setpoint.
Range Lock 1 & 2 Range 1 is set for Range 2 is set for 28° to 55°F 0° to - -22°F (- -2.2° to +12.8°C) (- -17.8° to - -30°C) Range 2 Range 1 °F - -22 - -10 °C - -30 - -23.3...
Page 99
4.8. PREPROGRAMMED SOFTWARE ature is above 0.°F (--17.7°C) OR the AC current is OVERRIDES. more than 10 Amps for 10 minutes. S When the ambient temperature is less than 77°F 4.8.1 Cargo Protect Mode. (25°C) AND the unit is running in defrost AND the en- gine has been running less than 30 minutes since the The microprocessor will activate Cargo Protect Mode Main Power switch was toggled from the OFF posi-...
Page 100
11. Frozen Setpoint/Frozen Setpoint Override. 1. Low Generator Amp Draw. When the A128 -- “LOW AC AMPS” is activated the If the setpoint is a frozen setpoint (below +10.4°F compressor will only operate on 2 or 4 cylinders. [--12°C]) and the temperature is below setpoint, the engine will operate in low speed.
Ambient Temperature (°F) Figure 4- -6 Evaporator Pressure Chart 9. High Discharge Pressure. 12.Cargo Protect Mode. Refer to Section 4.8.1 S If the compressor discharge pressure reaches 435 13.Start--Stop Operation. psig (29.6 bar) at some point soon after engine start If the Off Cycle conditions have been met in Start--Stop up for more than 1 minute, UL2 will energize (unload) Mode (Refer to Section 4.4) and the minimum run time...
SECTION 5 MICROPROCESSOR INTERFACE 5.1 INTERFACE METHODS 5.2 TECHNICIAN INTERFACE (REMOVE JUMPER MODE) There are five methods for interfacing with the Advance The Technician Interface Mode allows the technician to microprocessor; change Configurations, test the unit components and/or 1. Operator Interface -- using the keypad. service the refrigeration system.
Page 104
f. Select the Mode you wish to access, Component Test Mode allows the technician to energize individual circuits for 5 minutes at a time. The engine or SConfiguration Mode compressor, when in Standby Operation, is not allowed to start when the microprocessor is in Component Test SComponent Test Mode Mode.
Table 5- -1 Component Test Component / Menu List MessageCenter Board Green Light LIGHT OFF IN X MINS Amber Light LIGHT OFF IN X MINS 7 & 14 Defrost Light LIGHT OFF X MINS Front Unloader (UL1) UL1 OFF IN X MINS Rear Unloader (UL2) UL2 OFF IN X MINS Speed Relay (SR)
PC cards should be kept in a hard plastic jewel case nector. The microprocessor will return to normal op- when not in use. Replacement cases P/N 58--50109--00 eration when the Main Power switch is toggled out of are available from Carrier Transicold’s Performance the OFF position. Parts Group. 62-11524...
LATION PROCESS ONCE IT HAS STARTED. using ReeferManager, refer to manual 62--10889. Also, do not place the Main Power switch in Software may be downloaded by a Carrier Transicold the OFF position during the initial power up dealer from the TransCentral site.
Page 108
Option PC Cards allow installation of optional ware upgraded to the latest production soft- programming into the microprocessor. Cards may be ware, provided for Carrier Transicold dealers on purchased with five or ten “clicks”. Each “click” allows the TransCentral site, except for those units downloading to an individual microprocessor.
a. ReeferManager NOTE Beginning with ReeferManager version ReeferManager enables the user to do the following: 03.08.00, USB to RS--232 adapter cables are S Monitor in real--time via the download port (an supported for communication between the PC RS--232 connection) the current status of the micro- and the Download connector.
5.6 MICROPROCESSOR DISPLAY e. With the negative meter lead on QC2 (without remov- DIAGNOSTICS ing the spade connector), test voltage at the micro- processor 6MP4 terminal, see Figure 5--5. If nominal 5 VDC is not present, the microprocessor has failed Before replacing a microprocessor or display, the follow- and must be replaced.
Page 111
Advance mi- croprocessor. S Switch On Protect Hours. S Engine Sleep Hours. Grounded wrist cuffs are available from Carrier (P/N 07-00304-00). These should be worn whenever han- S Standby Hours. dling a microprocessor. S Switch On Sleep Hours.
Page 112
g. Remove the screws holding the sides of the micro- flash, indicating that it is ready to accept changes. processor into the control box. Remove the single Use the UP or DOWN ARROW key to scroll through screw holding the top of the microprocessor in place. the number list until the correct number of the current month appears.
Page 113
NOTES Section 5.5 step c.). You will need ReeferManager version 03.08.00 or higher. 1. If a Configuration card will be used to setup the remainder of the microprocessor NOTE settings, proceed to Section 5.7.7 after the ReeferManager 03.08.00 is REQUIRED in or- settings are entered.
Table 5- -2 Microprocessor Configurations NOTE Configurations are presented at the beginning of the list and progressing using the green UP arrow key Configuration Selections Description UNIT MODEL NUMBER # Unit Family types, Indicates to the microprocessor the model number and then a list of of the unit.
Page 115
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description LOW PRESSURE SHUTDOWN YES / NO YES = When the A18 -- LOW REFRIGERANT PRESSURE” alarm is active the alarm light will illu- minate and the unit will shutdown. NO = When the A18 -- LOW REFRIGERANT PRESSURE”...
Page 116
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description ALTERNATOR CHECK YES / NO YES = When the A51 -- “ALTERNATOR NOT SHUTDOWN: CHARGING” alarm is activated the alarm light will illuminate and the unit will shutdown. NO = When the A51 -- “ALTERNATOR NOT CHAR- GING”...
Page 117
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description FUEL TANK SIZE OFF = No fuel sensor is installed in the tank. 30 Gallons 30 to 120 GALLON = Size fo fuel tank installed. 50 Gallons (Refer to Fuel Sensor Configuration for additional in- 75 Gallons formation) 100 Gallons...
Page 118
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description DIESEL RESET VALUE When the engine maintenance hour meter is reset, the value selected here will be added to the to the (Refer to Table 8--1 for oil/filter 50 TO 30,000 present meter reading to indicate to the micropro- change intervals.) hours in 50 hour in-...
Page 119
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description S PM 1 -- 5 RESET INTERVAL The value to be entered here is the desired number of hours, cycles or days between PM Maintenance ENGINE Note: Alarms for this meter. PROTECT This Configuration will not display HOURS...
Page 120
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description MIN SETPOINT - -22°F TO 94.1°F Indicates to the microprocessor the desired minim- (Applies to Compartment 1) (- -30°C to 34.5°C) um allowable set point . in 0.1°F or °C in- crements MAX SETPOINT --22°F TO 94.1°F...
Page 121
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description DOOR SWITCH - - FOR TWO COMPARTMENT UNITS ONLY DOOR SWITCH SWITCH NOT SWITCH NOT INSTALLED = There is no door INSTALLED switch. DOOR OPEN DOOR OPEN SWITCH OPEN = A Door Switch has SWITCH OPEN been installed.
Page 122
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description DOOR SWITCH - - FOR THREE COMPARTMENT UNITS ONLY DOOR SWITCH SWITCH NOT SWITCH NOT INSTALLED = There is no door INSTALLED switch. NOTE DOOR OPEN DOOR OPEN SWITCH OPEN = A Door Switch has On a three compartment unit, the SWITCH OPEN been installed.
Page 123
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description • REMS1 ALARM ONLY ALARM ONLY = When the switch is activated, a warning alarm will be displayed in the Message- UNIT SHUTDOWN Center. • REMS2 LOW ENGINE UNIT SHUTDOWN = When the switch is activated, SPEED a warning alarm will be displayed in the Message- Center, and the compartment (REMS1 = Compart-...
Page 124
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description FROZEN COMPARTMENT OFF = Frozen priority cooling is not active. PRIORITY ON = Frozen priority cooling is active HIGH CAPACITY HIGH CAPACITY = Frozen priority is active and compartments will be operated with the compart- ment having a frozen setpoint given additional ca- pacity.
Page 125
Table 5- -2. Microprocessor Configurations - - Continued Configuration Selections Description SUPPLY AIR LIMIT FOR CONT --2.7° to --21.6° F Value to be used to calculate the lowest allowable (Applies to Compartment 1) (--1° to --12°C) supply air temperature, when in Continuous Opera- in 0.5°F or °C in- tion, in accordance with the formula “Setpoint + this crements.
Page 127
SECTION 6 MESSAGECENTER 6.1 MESSAGECENTER MESSAGES The following table lists all of the messages which do not appear in other lists in this manual and a description of their meaning. Refer to Section 7 for a list of Alarm messages. Refer to Section 3.13 for a list of Unit Data messages. Refer to Section 3.15 for a list of Functional Parameter messages.
Page 128
MessageCenter MESSAGES - - Continued Message Description CARD LOCKED -- REMOVE CARD The lock switch on the PC Card is in the “Locked” position. To use the PC Card, move the switch to the “Unlocked” position. CARD REMOVED, DATA NOT COPIED The PC Card was removed before all data was copied onto the card.
Page 129
MessageCenter MESSAGES - - Continued Message Description DOOR OPEN -- LOW SPEED A refrigerated compartment door is open forcing the unit to run in low speed. ENTERING SERVICE MODE The initial message for Service Mode. ERROR: ENG HRS > SWITCH ON HRS ERROR: HI SP HRS >...
Page 130
MessageCenter MESSAGES - - Continued Message Description MIN SETPOINT HAS BEEN REACHED Minimum setpoint allowed by configuration settings has been reached. MODEL # ERASED -- PRESS = TO SE- If software has been installed that does not support the model se- LECT lected, the model selection will be erased.
Page 131
AL11 (Low Engine Oil Pressure) or AL12 (High Coolant Temperat- (A21) ure) has been activated three times in the last two hours and the unit has been locked out. The unit must be brought to a Carrier Transicold Dealer for service. TEST #1 (to #15) XX% COMPLETE Pretrip is currently running this test and is XX% complete.
Page 132
MessageCenter MESSAGES - - Continued Message Description UNIT SHUTDOWN -- DOOR OPEN The unit has shutdown because the refrigerated compartment door is open. UNIT SHUTDOWN -- SEE ALARM LIST An active shutdown alarm has shut the unit down. UNIT SHUTDOWN -- RMS1(2) The unit has shutdown because switch is open.
Page 134
SECTION 7 ALARM TROUBLESHOOTING Troubleshooting should begin with the first alarm that WARNING appears in the active alarm list. The first alarm that appears is the last alarm that was recorded. Other alarms in the list may have contributed to the Advance microprocessor equipped units occurrence of the first alarm.
Page 135
7.2 NOTES switch labeled STANDBY/ENGINE (DES) in the STANDBY position and then Note 1 The active alarm list may be cleared by place the SROS in the START/RUN position. scrolling to the end of the list. “LIST END, = TO CLEAR ALARMS” will appear in the Note 3 Sensors may be tested at the component MessageCenter.
Page 136
Alarm Steps Alarm/Cause Corrective Action 7.3 DRIVER / OPERATOR ALARMS 00001 LOW FUEL LEVEL WARNING Note: This is an optional alarm which will not occur unless a fuel level sensor is present and configured ON. • TRIGGER ON: Fuel level is 15% or less for more than 30 seconds. •...
Alarm Steps Alarm/Cause Corrective Action 7.4 SHUTDOWN ALARMS 00011 LOW ENGINE OIL PRESSURE • TRIGGER–ON: Engine oil pressure is below 12 psig (0.82 bar) for longer than 5 seconds while the engine is running. • UNIT CONTROL: Engine Operation: Shutdown and alarm. Standby Operation: Will not activate in standby.
Page 138
Alarm Steps Alarm/Cause Corrective Action 00012 HIGH COOLANT TEMPERATURE • TRIGGER–ON: When in Engine Operation: for ambient temperatures below 120°F (48.9°C) Engine coolant temperature is above 230°F (110°C), or Ambient temperatures above 120°F (48.9°C), engine coolant temp is over 241°F (116°C), or Engine coolant temperature is between 230 and 241°F (110 and 116°C) for more than 5 minutes.
Page 139
Alarm Steps Alarm/Cause Corrective Action 00012 HIGH COOLANT TEMPERATURE - - Continued Check Engine Coolant Temperature Sensor Wiring a. Inspect harness & control box No physical damage to harness. connector pins & terminals. (See No damage or corrosion in connectors. wiring schematic Section 10.) Voltage reading should be 2.5 ±...
Page 140
Alarm Steps Alarm/Cause Corrective Action 00013 HIGH DISCHARGE PRESSURE (ALARM 75 WILL ALSO ACTIVATE) • TRIGGER–ON: Compressor discharge pressure switch (HP1) contacts are open. HP1 contacts open when the discharge pressure rises to 465 psig (31.6 bar.) • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm.
Page 141
Alarm Steps Alarm/Cause Corrective Action 00014 HIGH A/C AMPS • TRIGGER–ON: AC Current Sensor 1 is greater than 40A or AC Current Sensor 2 is greater than 40A for 3 seconds. • UNIT CONTROL: Engine Operation: Alarm will not activate. Standby Operation: Refrigeration system shutdown and alarm with PSCON still energized.
Page 142
Alarm Steps Alarm/Cause Corrective Action 00015 BATTERY VOLTAGE TOO HIGH • TRIGGER–ON: Voltage at the microprocessor is greater than 17 VDC. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized.
Page 143
Alarm Steps Alarm/Cause Corrective Action 00016 BATTERY VOLTAGE TOO LOW • TRIGGER–ON: Voltage at the microprocessor is less than 10 VDC (except when the engine starter is engaged.) • UNIT CONTROL: Unit Shutdown & Alarm. Alarm condition only if activated while starting unit. •...
Page 144
Alarm Steps Alarm/Cause Corrective Action 00017 HIGH COMP DISCHARGE TEMP • TRIGGER–ON: Discharge sensor alarm not active AND: Ambient temp below 120°F (48.9°C) and discharge temp is greater than 310°F (154.4°C) for 3 minutes, or Ambient temp above 120°F (48.9°C) and discharge temp is greater than 340°F (171.1°C) for 3 minutes, or Discharge temp ever reaches 350.1°F (176.7°C.) •...
Page 145
Alarm Steps Alarm/Cause Corrective Action 00018 LOW REFRIGERANT PRESSURE • TRIGGER–ON: The compressor is operating with the suction pressure less than --10 in Hg (--0.3 BAR), with both the Front (UL1) and the Rear (UL2) unloaders energized, and the time that is selected for the LP Shutdown Delay Configuration has expired since UL1 was energized (Note: The MessageCenter does not display in.Hg.
Page 146
Alarm Steps Alarm/Cause Corrective Action 00018 LOW REFRIGERANT PRESSURE - - Continued Check Evaporator Sections a. Check evaporator section in all Good Air Flow. compartments, return air bulk- Return air not restricted. head, air chute, cleanliness of Air chute in good condition. evap.
Page 147
Alarm Steps Alarm/Cause Corrective Action 00019 LOW FUEL SHUTDOWN Note: This is an optional alarm. This alarm will not occur in Standby Operation or if the Fuel Level Sensor Configur- ation is NO DEVICE or if the Fuel Tank Size Configuration is OFF. •...
Page 148
Alarm Steps Alarm/Cause Corrective Action 00020 MAXIMUM COMPRESSOR ALARMS • TRIGGER ON: This option must be installed and alarm must be enabled by configuring the Compressor Alarm Shutdown to YES. Alarms 13, 17, 18, 27 or 28 individually occur 3 times within the last 2 hours.
Page 149
Alarm Steps Alarm/Cause Corrective Action 00022 LOW SUCTION SUPERHEAT • TRIGGER ON: Compressor suction superheat (Compressor Suction Temperature [CST] minus satu- rated temperature for Compressor Suction Pressure [ CSP] refer to Table 8--7) is less than 9°F (5°C) for more than 2 minutes. •...
Page 150
Alarm Steps Alarm/Cause Corrective Action 00023 A/C CURRENT OVER LIMIT • TRIGGER ON: The high voltage amp draw is over the limit shown in the following table for more than 10 seconds. CONDITION Compartment 1 Compartments Enabled 1 & 2 Enabled Engine High / Low Speed, Standby Cool or Pretrip Engine High Speed Heat Engine Low Speed or Standby Heat...
Page 151
Alarm Steps Alarm/Cause Corrective Action 00023 A/C CURRENT OVER LIMIT - - Continued Check High Voltage Components Amp Draw a. Check condenser fan amp draw on all legs. (CDCON) These checks must be made with the unit operating. b. Check evaporator fan motor amp WARNING draw compartments.
Page 152
Alarm Steps Alarm/Cause Corrective Action 00027 HIGH SUCTION PRESSURE • TRIGGER ON: The refrigeration system is running and the suction pressure has been greater than 98 psig (6.7 bar) for more than 10 minutes. • UNIT CONTROL: Engine Operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm.
Page 153
Alarm Steps Alarm/Cause Corrective Action 00028 CHECK REFRIGERATION SYSTEM • TRIGGER ON: The compressor is running and the discharge pressure is less than 5 psig (0.34 bar) higher than suction pressure for more than 10 minutes. • UNIT CONTROL: Engine Operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm.
Page 154
Alarm Steps Alarm/Cause Corrective Action 7.5 START UP / ENGINE ALARMS 00030 FAILED TO RUN MINIMUM TIME • TRIGGER–ON: The unit has shutdown on an alarm 3 times without having run for at least 15 minutes between each shutdown (not including Door shutdowns.) •...
Page 155
Alarm Steps Alarm/Cause Corrective Action 00031 FAILED TO START - - AUTO MODE • TRIGGER–ON: Engine has tried to start three times unsuccessfully in the auto start mode. • UNIT CONTROL: Unit Shutdown & Alarm • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 156
Alarm Steps Alarm/Cause Corrective Action 00031 FAILED TO START - - AUTO MODE - - Continued Check Engine Air–intake Heater System (This step only applies when the engine coolant temperature is less than 77°F (25°C.) a. Check voltage to heater. Must be 11 VDC or higher b.
Page 157
Alarm Steps Alarm/Cause Corrective Action 00034 ENGINE FAILED TO STOP • TRIGGER–ON: When in Engine Operation, engine is turning more than 500 RPM for 20 seconds after unit shutdown or cycled off or Oil Pressure Switch is closed longer than 20 seconds after unit shutdown or cycle off.
Page 158
Alarm Steps Alarm/Cause Corrective Action 00035 CHECK STARTER CIRCUIT • TRIGGER–ON: Condition 1: Engine speed fails to reach 50 RPM during 2 start attempts. Condition 2: Applies to software version V05.07.00 ONLY. The oil pressure switch contacts are sensed closed (oil pressure is present) before the run relay is energized. •...
Page 159
Alarm Steps Alarm/Cause Corrective Action 00035 CHECK STARTER CIRCUIT - - continued Check Fuel/Speed Actuator (FSA) & circuit a. Check Run Relay LED LED 28 must be ON. b. Check for 12 VDC on the Run Must be 12 VDC Relay circuit (MPQC4) c.
Page 160
Alarm Steps Alarm/Cause Corrective Action 00037 CHECK LOW SPEED RPM • TRIGGER–ON: The microprocessor is set for low engine speed operation, and engine speed is: less than 1200 rpm, or greater than 1500 rpm for more than 60 seconds (120 seconds when the microprocessor calls for a change from high to low speed, or when unit first starts).
Page 161
Alarm Steps Alarm/Cause Corrective Action 00038 CHECK HIGH SPEED RPM • TRIGGER–ON: The microprocessor is set for high engine speed operation, and engine speed is: less than 1650 rpm, or greater than 1950 rpm for more than 60 seconds (120 seconds when the microprocessor calls for a change from low to high speed, or when unit first starts).
Page 162
Alarm Steps Alarm/Cause Corrective Action 00038 CHECK HIGH SPEED RPM - - Continued Check Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. Both readings within ± 50 RPM. b. Compare actual RPM with those shown on display.
Page 163
Alarm Steps Alarm/Cause Corrective Action 00039 CHECK ENGINE RPM • TRIGGER–ON: In Engine Operation and Alarm 130 is not active and engine speed is less than 1250 rpm for 2 seconds or greater than 2100 rpm for 5 minutes or engine speed drops to less than 1200 rpm for 3 seconds after the engine speed has been greater than 1250 rpm.
Page 164
Alarm Steps Alarm/Cause Corrective Action 00039 CHECK ENGINE RPM - - Continued Check Low Speed Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. Both readings within ± 50 RPM. b. Compare actual RPM with those shown on display.
Page 165
Alarm Steps Alarm/Cause Corrective Action 00040 CHECK AIR HEATER • TRIGGER–ON: Engine Operation: Intake Air Heater amperage is less than 25 Amps, or greater than 70 Amps after 14 seconds of glow time (NOTE: This can only occur when the Engine Coolant Temperature is below 50°F (11°C) due to the glow time allowed.
Page 166
Alarm Steps Alarm/Cause Corrective Action 00041 ENGINE STALLED • TRIGGER–ON: The engine is running, RPM sensor is good, and engine speed is less than 10 RPM; or the engine is running, RPM sensor alarm is ON, and the Oil Pressure switch contacts are open.
Page 167
Alarm Steps Alarm/Cause Corrective Action 00041 ENGINE STALLED - - Continued Check Engine Speed Sensor (ENSSN) Inspect harness & control No physical damage to harness. No damage, moisture, or corrosion in connectors. connector pins & terminals. (See wiring schematic Section 10.) Check Electrical System Amperage a.
Page 168
Alarm Steps Alarm/Cause Corrective Action 7.6 WARNING / STATUS ALARMS 00051 ALTERNATOR NOT CHARGING (This alarm applies to the Battery Charger) • TRIGGER–ON: Unit is running in either Engine or Standby Operation and the current flow is more than --1.0 amps (discharge) between the battery charger and the battery for 3 continuous minutes. •...
Page 169
Alarm Steps Alarm/Cause Corrective Action 00053 BOX TEMP OUT OF RANGE (Compartment 1) • TRIGGER–ON: Condition One: If the unit is running in Pulldown Mode and the SAT is not greater than 1°F (0.56°C) below the RAT or if the unit is running in Pull--Up Mode and the SAT is not above the RAT, the configured action (Alarm only after 30 minutes or Alarm and Shutdown after 45 minutes) will be activated.
Page 170
Alarm Steps Alarm/Cause Corrective Action 00053 BOX TEMP OUT- -OF- -RANGE - - Continued NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7--2.) Operate the unit through the appropriate modes to see if any active alarm occurs.
Page 171
Alarm Steps Alarm/Cause Corrective Action 00054 DEFROST NOT COMPLETE • TRIGGER–ON: Defrost cycle did not complete within 45 minutes • UNIT CONTROL: Engine and standby Operation: alarm only. While this alarm is active, the Defrost Timer will be set to initiate a defrost cycle 90 minutes (1.5 hours) of unit running time after the alarm comes on.
Page 172
Alarm Steps Alarm/Cause Corrective Action 00055 CHECK DEFROST AIR SWITCH • TRIGGER–ON: The defrost air switch has called for a defrost cycle within 8 minutes of a defrost termination for 2 consecutive defrost cycles. (The air switch contacts were closed continuously for 15 seconds before the defrost cycle was started.) •...
Page 173
Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 00057 CHECK REMOTE SWITCH 1 (REMS1) • TRIGGER–ON: Remote Switch 1 is set to activate an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. •...
Page 174
Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 00058 CHECK REMOTE SWITCH 2 (REMS2) • TRIGGER–ON: Remote Switch 2 is set to activate an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. •...
Page 175
Replace microprocessor & set New microprocessor in place. Configurations, Functional Parameters, Enter hours from removed microprocessor, Maintenance Hour Meters, DataLink data recorder Setup. NOTE: Specific configurations may be found on the TransCentral Website (Authorized Carrier Transicold Dealers only.) 62-11524 7--42...
Page 176
Alarm Steps Alarm/Cause Corrective Action 00060 DATALOGGER (DataLink data recorder) TIME WRONG • TRIGGER–ON: The real time clock in the Data Recorder does not contain a valid date. • UNIT CONTROL: Engine and Standby Operation: alarm only. • RESET CONDITION: Auto Reset when the DataLink data recorder real time clock is reset, or alarm may be manually reset by turning the unit off, then back on again.
Page 177
Alarm Steps Alarm/Cause Corrective Action 00061 DOOR OPEN (DS1) • TRIGGER–ON: DS1 is set to activate an alarm if the switch is activated (opened or closed, depend- ing on switch type) for more than five seconds. • UNIT CONTROL: May be configured as alarm only, alarm and force low engine speed or alarm and shutdown.
Page 178
Alarm Steps Alarm/Cause Corrective Action 00062 C2 BOX TEMP OUT OF RANGE (Compartment 2) • TRIGGER–ON: Condition One: If the unit is running in Pulldown Mode and the SAT is not greater than 1°F (0.56°C) below the RAT or if the unit is running in Pull--Up Mode and the SAT is not above the RAT, the configured action (Alarm only after 30 minutes or Alarm and Shutdown after 45 minutes) will be activated.
Page 179
Alarm Steps Alarm/Cause Corrective Action 00062 C2 BOX TEMP OUT- -OF- -RANGE - - Continued NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7--2.) Operate the unit through the appropriate modes to see if any active alarm occurs.
Page 180
Alarm Steps Alarm/Cause Corrective Action 00063 C3 BOX TEMP OUT OF RANGE (Compartment 3) • TRIGGER–ON: Condition One: If the unit is running in Pulldown Mode and the SAT is not greater than 1°F (0.56°C) below the RAT or if the unit is running in Pull--Up Mode and the SAT is not above the RAT, the configured action (Alarm only after 30 minutes or Alarm and Shutdown after 45 minutes) will be activated.
Page 181
Alarm Steps Alarm/Cause Corrective Action 00063 C3 BOX TEMP OUT- -OF- -RANGE - - Continued NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s). (See Note 1 page 7--2.) Operate the unit through the appropriate modes to see if any active alarm occurs.
Page 182
Alarm Steps Alarm/Cause Corrective Action 7.7 ELECTRICAL ALARMS 00071 BAD F2 OR F3 FUSE • TRIGGER–ON: One or more of the following fuse circuits have been open for more than 2 seconds: F2, F3 • UNIT CONTROL: Engine Operation: Alarm Only. If the engine shut off, see troubleshooting steps below to correct.
Page 183
Alarm Steps Alarm/Cause Corrective Action 00073 NO A/C POWER- -CHECK POWER CORD • TRIGGER–ON: The unit is set to operate in standby AND no AC power • UNIT CONTROL: Engine Operation: this alarm will not activate in Engine Operation. Standby Operation: If the “NO POWER SWITCH TO DIESEL”...
Page 184
Alarm Steps Alarm/Cause Corrective Action 00075 COMP MOTOR OVERLOAD • TRIGGER–ON: Compressor Motor Internal Protector (IPC) circuit is open. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized. •...
Page 185
Alarm Steps Alarm/Cause Corrective Action 00076 CONDENSER MOTOR OVERHEATED • TRIGGER–ON: One or both of the condenser fan motor Internal Protectors (IP--CDM1 AND 2) cir- cuit is open. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: refrigeration system shutdown and alarm with PSCON still energized.
Page 186
Alarm Steps Alarm/Cause Corrective Action 00076 CONDENSER MOTOR OVERHEATED - - Continued Check Condenser Fan Motors Disconnect power plug at motor. Test IP circuit for continuity using ohmmeter. If open, remove and replace motor. If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.
Page 187
Alarm Steps Alarm/Cause Corrective Action 00077 EVAP MOTOR OVERHEATED • TRIGGER–ON: The evaporator fan motor Internal Protector (IP--EVM) is open. • UNIT CONTROL: Engine and Standby Operation: Shutdown and alarm • RESET CONDITION: Auto Reset after a 15 minute off time when motor overload input is within limits or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 188
Alarm Steps Alarm/Cause Corrective Action 00077 EVAP MOTOR OVERHEATED - - Continued Check Evaporator Fan Motor Disconnect power plug at motor Test IP circuit for continuity using ohmmeter If open, remove and replace motor If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.
Page 189
Alarm Steps Alarm/Cause Corrective Action 00081 CHECK FHR CIRCUIT • TRIGGER–ON: Fuel Heater Relay circuit is shorted. (The Fuel Heater Relay output from the micro is negative, so the circuit will not be shorted to ground, but is shorted either within the Fuel Heater Relay coil itself, or to a positive wire.) •...
Page 190
Alarm Steps Alarm/Cause Corrective Action 00085 CHECK UL1 CIRCUIT • TRIGGER–ON: Front Unloader (UL1) circuit is shorted. (The UL1 output from the microprocessor (3MP12) is negative, so the circuit will not be shorted to ground, but is shorted either within UL1 itself, or to a positive wire.) •...
Page 191
Alarm Steps Alarm/Cause Corrective Action 00086 CHECK UL2 CIRCUIT • TRIGGER–ON: Rear Unloader (UL2) circuit is shorted. (The UL2 output from the microprocessor (3MP23) is negative, so the circuit will not be shorted to ground, but is shorted either within UL2 itself, or to a positive wire.) •...
Page 192
Alarm Steps Alarm/Cause Corrective Action 00089 CHECK REMOTE AUTO LIGHT (Light Bar) • TRIGGER–ON: The normal operation output circuit (green “Status OK” LED’s) to the light bar is shorted. (The light bar output from the microprocessor [3MP32] is negative, so the circuit will not be shorted to ground, but is shorted either within the light bar itself, or to a positive wire.) •...
Page 193
Alarm Steps Alarm/Cause Corrective Action 00092 CHECK 1HTCON2 RELAY COIL • TRIGGER–ON: Heater contactor 2 (1HTCON2) circuit is shorted. (The contactor output from the microprocessor (4MP14) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Page 194
Alarm Steps Alarm/Cause Corrective Action 00093 CHECK START UP BUZZER • TRIGGER–ON: The Buzzer (B) circuit is shorted. (The Buzzer output from the microprocessor [5MP08] is negative, so the circuit will not be shorted to ground, but is shorted either within the Buzzer itself, or to a positive wire.) •...
Page 195
Alarm Steps Alarm/Cause Corrective Action 00095 CHECK CDCON RELAY COIL • TRIGGER–ON: Condenser fan motor contactor (CDCON) circuit is shorted. (The contactor output from the microprocessor (4MP6) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Page 196
Alarm Steps Alarm/Cause Corrective Action 00096 CHECK GENCONR RELAY COIL • TRIGGER–ON: Generator contactor relay (GENCONR) circuit is shorted. (The relay output from the microprocessor (4MP7) is negative, so the circuit will not be shorted to ground, but is shorted either within the relay coil itself, or to a positive wire.) •...
Page 197
Alarm Steps Alarm/Cause Corrective Action 00098 CHECK HIGH TEMP THERMOSTAT • TRIGGER–ON: With the Main Power switch toggled out of the OFF position, the 1EVHTS circuit is open. • UNIT CONTROL: Alarm AND no heat allowed in any compartment. • RESET CONDITION: Auto Reset when the 1EVHTS circuit is okay for 15 minutes, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 198
Alarm Steps Alarm/Cause Corrective Action 00099 CHECK STANDBY CONTACTOR • TRIGGER–ON: Standby motor contactor relay (PSCONR) circuit is shorted. (The relay output from the microprocessor (5MP7) is negative, so the circuit will not be shorted to ground, but is shorted either within the relay coil itself, or to a positive wire.) •...
Page 199
Alarm Steps Alarm/Cause Corrective Action 00100 OVERLOAD/GROUND FAULT • TRIGGER–ON: Engine or Standby Operation is being called for and the overload ground fault module is reading more than 40 Amps on any A/C current leg OR there is A/C voltage leaking to ground of more than 150 miliamps.
Page 200
Alarm Steps Alarm/Cause Corrective Action 00101 C2 EVAP MOTOR OVERHEATED • TRIGGER–ON: One or more of the 2EVM1, 2, 3 4 Internal Motor Protectors (IP) is open. • UNIT CONTROL: Engine and Standby Operation: Compartment 2 shutdown only • RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 201
Alarm Steps Alarm/Cause Corrective Action 00102 C3 EVAP MOTOR OVERHEATED • TRIGGER–ON: One or more of the 3EVM1, 2, 3 4 Internal Motor Protectors (IP) is open. • UNIT CONTROL: Engine and Standby Operation: Compartment 3 shutdown only • RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 202
Alarm Steps Alarm/Cause Corrective Action 00103 CHECK 2HTCON1 RELAY COIL • TRIGGER–ON: Remote heater contactor 1 (2HTCON1) circuit is shorted. (The contactor output from the microprocessor (3MP34) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Page 203
Alarm Steps Alarm/Cause Corrective Action 00105 CHECK 3HTCON1 RELAY COIL • TRIGGER–ON: Remote heater contactor 1 (3HTCON1) circuit is shorted. (The contactor output from the microprocessor (3MP33) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Page 204
Alarm Steps Alarm/Cause Corrective Action 00107 CHECK 2LSV CIRCUIT • TRIGGER–ON: Compartment 2 Liquid Solenoid Valve (2LSV) circuit is shorted. (The 2LSV output from the microprocessor (3MP18) is negative, so the circuit will not be shorted to ground, but is shorted either within the valve coil itself, or to a positive wire.) •...
Page 205
Alarm Steps Alarm/Cause Corrective Action 00109 CHECK 1EVCON RELAY COIL • TRIGGER–ON: Evaporator fan motor contactor (1EVCON) circuit is shorted. (The contactor output from the microprocessor (4MP15) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Page 206
Alarm Steps Alarm/Cause Corrective Action 00111 CHECK 3EVCON RELAY COIL • TRIGGER–ON: Evaporator fan motor contactor (3EVCON) circuit is shorted. (The contactor output from the microprocessor (3MP08) is negative, so the circuit will not be shorted to ground, but is shorted either within the contactor coil itself, or to a positive wire.) •...
Alarm Steps Alarm/Cause Corrective Action 7.8 SENSOR ALARMS 00121 CHECK AMBIENT AIR SENSOR • TRIGGER–ON: Ambient Air Temperature Sensor (AAT) is not within the range of --53 to +158°F (--47° to +70° C.) • UNIT CONTROL: Engine and Standby Operation: A value of 122°F (50°C) will be used for any calculations.
Page 208
Alarm Steps Alarm/Cause Corrective Action 00122 CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Temperature Sensor (1RAT) is not within the range of --53 to +158°F (--47 to +70° C.) • UNIT CONTROL:Engine and Standby Operation: If Alarm 123 -- Check Supply Air Sensor -- is not active: alarm only and switch to supply air control. If Alarm 123 is also active (Cargo Protect Mode, refer to section 4.8.1) and the functional parameter Temperature Control is set for Return Air and the setpoint is in the perishable range: alarm and shutdown.
Page 209
Alarm Steps Alarm/Cause Corrective Action 00123 CHECK SUPPLY AIR SENSOR • TRIGGER–ON: Supply Air Temperature Sensor (1SAT) is not within the range of --53 to +158°F (--47 to +70° C.) • UNIT CONTROL: Engine and standby: If Alarm 122 is not active and functional parameter Temperature Control is set for Supply Air and the setpoint for Compartment 1 is in the perishable range: alarm only and switch to return air control.
Page 210
Alarm Steps Alarm/Cause Corrective Action 00124 CHECK DEFROST TERM 1 SENSOR • TRIGGER–ON: Defrost Termination Temperature Sensor (1DTT) is not within the range of --53° to +158°F (--47° to +70° C.) • UNIT CONTROL: Engine and standby: If Alarm 122 is not active: alarm and initiate defrost if 1RAT is below 45°F (7.2°C). If Alarm 122 is also active: alarm and initiate defrost if 1SAT is below 45°F (7.2°C).
Page 211
Alarm Steps Alarm/Cause Corrective Action 00125 CHECK COMP DISCHARGE SENSOR • TRIGGER–ON: Compressor Discharge Temperature Sensor (CDT) is not within the range of –40° to +392°F (--40° to +200°C.) • UNIT CONTROL: Engine and Standby Operation: Alarm Only. • RESET CONDITION: Auto Reset when Compressor Discharge Sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 212
Alarm Steps Alarm/Cause Corrective Action 00127 CHECK SUCTION TEMP SENSOR • TRIGGER–ON: Compressor Suction Temperature Sensor (CST) is not within the range of --53 to +158°F (--47 to +70° C.) • UNIT CONTROL: Engine and Standby Operation: alarm only. • RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 213
Alarm Steps Alarm/Cause Corrective Action 00129 CHECK ENG COOLANT SENSOR • TRIGGER–ON: Engine Coolant Temperature Sensor (ENCT) is not within the range of --58 to +266°F (--50 to +130°C). • UNIT CONTROL: Engine Operation: Alarm Only. Standby Operation: This alarm does not activate in standby. •...
Page 214
Alarm Steps Alarm/Cause Corrective Action 00130 CHECK ENGINE RPM SENSOR • TRIGGER–ON: When in Engine Operation only. If ambient temperature is above 32°F (0°C), and this is the second or third start attempt, and the engine oil pressure switch is closed (oil pressure good), and engine RPM is sensed at less than 1000;...
Page 215
Alarm Steps Alarm/Cause Corrective Action 00131 CHECK EVAP TEMP SENSOR • TRIGGER–ON: Evaporator Outlet Temperature Sensor (EVOT) is not within the range of --53 to +158°F (--47 to +70°C.) • UNIT CONTROL: Engine and standby: alarm only and superheat for EVXV will be calculated using SAT.
Page 216
Alarm Steps Alarm/Cause Corrective Action 00133 CHECK REMOTE TEMP SENSOR 1 00134 CHECK REMOTE TEMP SENSOR 2 • Note: Remote sensors are available on 2 Compartment units only. • TRIGGER–ON: Remote Temperature Sensor (REMSN1 or REMSN2) is not within the range of --53 to +158°F (--47 to +70°C.) •...
Page 217
Alarm Steps Alarm/Cause Corrective Action 00136 C2 CHECK SUPPLY AIR SENSOR • TRIGGER–ON: Supply Air Temp Sensor 2 (2SAT) is not within the range of --53° to +158°F (--47° to +70°C). (NOTE: 2SAT is an optional sensor that may not be present. If the configuration is set to INSTALLED and the sensor is not connected, this alarm will be active.) •...
Page 218
Alarm Steps Alarm/Cause Corrective Action 00137 C2 CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Sensor 2 (2RAT) is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and standby: If setpoint is in the perishable range, compartment 2 will shutdown.
Page 219
Alarm Steps Alarm/Cause Corrective Action 00138 C3 CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Sensor 3 (3RAT) is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and standby: If setpoint is in the perishable range, compartment 3 will shutdown.
Page 220
Alarm Steps Alarm/Cause Corrective Action 00139 C2 CHECK DEFROST SENSOR • TRIGGER–ON: Defrost Termination Temperature Sensor for Compartment 2 (2DTT) is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and Standby Operation: If Alarm 137 is not active: alarm and initiate defrost if 2RAT is below 45°F (7.2°C.) and defrost will end after 10 minutes.
Page 221
Alarm Steps Alarm/Cause Corrective Action 00140 C3 CHECK DEFROST SENSOR • TRIGGER–ON: Defrost Termination Temperature Sensor for Compartment 3 (3DTT) is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and Standby Operation: If Alarm 138 is not active: alarm and initiate defrost if 3RAT is below 45°F (7.2°C) and defrost will end after 10 minutes.
Page 222
Alarm Steps Alarm/Cause Corrective Action 7.9 PRETRIP ALARMS P00141 PRETRIP STOPPED BY USER • TRIGGER–ON: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically. • UNIT CONTROL: Engine and Standby Operation: Alarm Only. • RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 223
Alarm Steps Alarm/Cause Corrective Action P00145 CHECK SPEED SOL CIRCUIT • TRIGGER–ON: Normal Amps for the Speed Solenoid Circuit is 0 to 1.0 Amps. The circuit tests out- sidethis range. • UNIT CONTROL: Alarm Only • RESET CONDITION: Auto Reset if Pretrip is started again or alarm may be manually reset via keypad or by turning the unit off then back on again.
Page 224
Alarm Steps Alarm/Cause Corrective Action P00146 C2 CHECK HEATER 1 CIRCUIT This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal current draw for the 2HTCON1 contactor coil is .05 to 2.0 D/C Amps (12 VDC).
Page 225
Alarm Steps Alarm/Cause Corrective Action P00146 C2 CHECK HEATER 1 CIRCUIT (Continued) Check Evaporator High Temperature Switch (2EVHTS) Inspect for open 2EVHTS per wiring If open, replace switch as required schematic. Check Amp Draw of 2HTCON1 Heater Circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 226
Alarm Steps Alarm/Cause Corrective Action P00147 C2 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal draw for the 2HTCON2 contactor coil is .05 to 5.0 D/C Amps (12 VDC).
Page 227
Alarm Steps Alarm/Cause Corrective Action P00147 C2 CHECK HEATER 2 CIRCUIT (Continued) Check Evaporator High Temperature Switch (2EVHTS) Inspect for open 2EVHTS per wiring If open, replace switch as required schematic. Check Amp Draw of 2HTCON2 Heater Circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 228
Alarm Steps Alarm/Cause Corrective Action P00152 CHECK FUEL SOLENOID CIRC • TRIGGER–ON: Normal Amps for the Fuel Solenoid Hold Circuit is 0.2 to 4.5 Amps (including possible electric fuel pump). The circuit tests outside this range. • UNIT CONTROL: Alarm Only •...
Page 229
Alarm Steps Alarm/Cause Corrective Action P00153 CHECK RETURN AIR SENSOR • TRIGGER–ON: Return Air Temperature Sensor (1RAT) is not within the range of --53 to +158°F (--47 to +70°C.) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 230
Alarm Steps Alarm/Cause Corrective Action P00157 CHECK BATTERY CURRENT • TRIGGER–ON: With all circuits off, current flow of more than 1.5 amps is detected in the 12 VDC electrical circuits. NOTE: If this alarm occurs, Pretrip Test #2 will not be performed. You will need to run pretrip again.
Page 231
Alarm Steps Alarm/Cause Corrective Action P00159 CHECK DEFROST TERM 1 SENSOR • TRIGGER–ON: Defrost Termination Temperature Sensor (1DTT -- Compartment 1) is not within the range of --53 to +158°F (--47 to +70°0 C.) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 232
Alarm Steps Alarm/Cause Corrective Action P00163 C3 CHECK HEATER 1 CIRCUIT This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal current draw for the 3HTCON1 contactor coil is .05 to 2.0 D/C Amps (12 VDC).
Page 233
Alarm Steps Alarm/Cause Corrective Action P00163 C3 CHECK HEATER 1 CIRCUIT (Continued) Check Evaporator High Temperature Switch (3EVHTS) Inspect for open 3EVHTS per wiring If open, replace switch as required. schematic. Check Amp Draw of 3HTCON1 Heater Circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 234
Alarm Steps Alarm/Cause Corrective Action P00167 C3 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal draw for the 3HTCON2 contactor coil is .05 to 5.0 D/C Amps (12 VDC).
Page 235
Alarm Steps Alarm/Cause Corrective Action P00167 C3 CHECK HEATER 2 CIRCUIT (Continued) Check Evaporator High Temperature Switch (3EVHTS) Inspect for open 3EVHTS per wiring If open, replace switch as required. schematic. Check Amp Draw of 3HTCON2 Heater Circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 236
Alarm Steps Alarm/Cause Corrective Action P00168 C2 CHECK LSV VALVE • TRIGGER–ON: In Test 2: Compartment 2 Liquid Solenoid Valve (2LSV) current is outside the range of 0.75A to 2.0A; OR In Test 14: The suction pressure did not rise as expected when the 2LSV was energized (opened). •...
Page 237
Alarm Steps Alarm/Cause Corrective Action P00174 CHECK LOW SPEED RPM • TRIGGER–ON in Test #5: With Speed Relay turned off, engine speed is NOT between 1250 and 1450 rpm. • TRIGGER–ON in Test #7: 15 seconds after the High Speed Pretrip Test #6, engine speed has NOT dropped back to the low speed range (within 15 seconds) as shown above.
Page 238
Alarm Steps Alarm/Cause Corrective Action P00175 CHECK HIGH SPEED RPM • TRIGGER–ON: With Speed Relay energized (voltage at the Engine Speed Control Unit for high speed operation), engine RPM is NOT between 1700 and 1900. • UNIT CONTROL: Engine Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 239
Alarm Steps Alarm/Cause Corrective Action P00175 CHECK HIGH SPEED RPM - - Continued Check engine air-intake system a. Check air filter indicator. Flag must not be visible. b. Inspect air intake system. Hoses & tubes in good condition. No kinks or restrictions. Check engine exhaust system Inspect the exhaust system.
Page 240
Alarm Steps Alarm/Cause Corrective Action P00177 CHECK EVAP SUPERHEAT • TRIGGER–ON: With the unit running in Test 12, after the microprocessor closes the EVXV to 0%, evaporator pressure fails to drop by 20 psig (1.36 bar) or fails to go below 0 psig / bar OR the EVXV appears not to be opening to the full capacity position.
Page 241
Alarm Steps Alarm/Cause Corrective Action P00178 CHECK UL1 • TRIGGER–ON: The pressure differential between suction and discharge pressures did not change as expected when the Front Unloader (UL1) was de-energized / loaded (discharge pressure should rise and suction pressure should drop) or when it was energized / unloaded (discharge pressure should drop and suction pressure should rise.
Page 242
(See Note 1 page 7--2.) Operate the unit through the appropriate modes to see if any active alarm occurs. Continue with the steps below as necessary. Check Software Revision Level Upgrade software. Install (or have Carrier Transicold dealer install) latest revision. Check wiring to DPT & SPT a. Verify that correct wires are con- Plugs to transducers are the same.
Page 243
Alarm Steps Alarm/Cause Corrective Action P00184 C2 CHECK EVAP FAN MOTOR This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal draw for the 2EVCON contactor coil is .05 to 2.0 D/C Amps (12 VDC).
Page 244
Alarm Steps Alarm/Cause Corrective Action P00184 C2 CHECK EVAP FAN MOTOR (Continued) Check Amp Draw of Compartment 2 evaporator fan motor (2EVCON) circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 245
Alarm Steps Alarm/Cause Corrective Action P00185 C3 CHECK EVAP FAN MOTOR This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2: Normal draw for the 3EVCON contactor coil is .05 to 2.0 D/C Amps (12 VDC).
Page 246
Alarm Steps Alarm/Cause Corrective Action P00185 C3 CHECK EVAP FAN MOTOR (Continued) Check Amp Draw of Compartment 3 evaporator fan motor (3EVCON) circuit Use a clamp on ammeter to check Must be within range shown in Section 2.12 for all the current draw of all 3 legs.
Page 247
Alarm Steps Alarm/Cause Corrective Action P00186 CHECK EVAP OUTLET TEMP • TRIGGER–ON: Evaporator Outlet Temperature Sensor (EVOT) is not within the range of --53 to +158°F (--47 to +70°C.) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 248
Alarm Steps Alarm/Cause Corrective Action P00187 CHECK HEATER 1 CIRCUIT - - Continued Check Amp Draw of 1HTCON1 Heater Circuit a. With the unit running and calling for Must be within range shown in Section 2.12 for all Heat in Compartment 1, use a three legs.
Page 249
Alarm Steps Alarm/Cause Corrective Action P00188 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2 (unit not running): Normal draw for the 1HTCON2 contactor coil is 0.05 to 2.0 Amps (12 VDC).
Page 250
Alarm Steps Alarm/Cause Corrective Action P00188 CHECK HEATER 2 CIRCUIT - - Continued Check Amp Draw of 1HTCON2 Heater Circuit a. With the unit running and calling for Must be within range shown in Section 2.12 for all pull up in Compartment 1, use a three legs.
Page 251
Alarm Steps Alarm/Cause Corrective Action P00189 CHECK EVAPORATOR FAN MOTOR This device is checked twice in Pretrip -- once in Test 2 and again in Test 8. • TRIGGER–ON TEST 2 (unit not running): Normal draw for the 1EVCON contactor coil is 0.05 to 2.0 Amps (12 VDC).
Page 252
Alarm Steps Alarm/Cause Corrective Action P00189 CHECK EVAPORATOR FAN MOTOR - - Continued Check Amp Draw of 1EVCON Evap Fan Motor Circuit a. With the unit running in either HEAT Must be within range shown in Section 2.12 for all or COOL use a clamp on ammeter three legs.
Page 253
Alarm Steps Alarm/Cause Corrective Action P00190 CHECK CONDENSER FAN MOTOR • TRIGGER–ON Normal draw for the condenser fan motors is 0.8 to 3.5 Amps (460 VAC). The circuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 254
Alarm Steps Alarm/Cause Corrective Action P00191 CHECK UL2 • TRIGGER–ON: The pressure differential between suction and discharge pressures did not change as expected when the Rear Unloader (UL2) was de-energized / loaded (discharge pressure should rise and suction pressure should drop) or when it was energized / unloaded (discharge pressure should drop and suction pressure should rise.
Page 255
Alarm Steps Alarm/Cause Corrective Action P00199 C2 CHECK RETURN AIR SENSOR • TRIGGER–ON: Compartment 2 Return Air Sensor is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 256
Alarm Steps Alarm/Cause Corrective Action P00206 CHECK CONDENSER FAN CIRCUIT • TRIGGER–ON : Normal draw for the CDCON contactor coil is 0.05 to 2.0 Amps (12 VDC). The cir- cuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 257
Alarm Steps Alarm/Cause Corrective Action P00208 CHECK GENERATOR CONT CIRC • TRIGGER–ON: Normal draw for the GENCONR and GENCON coils is 0.0 to 1.0 Amps (12 VDC). The circuit tests outside this range. • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 258
Alarm Steps Alarm/Cause Corrective Action P00209 CHECK STANDBY CONT CIRCUIT • TRIGGER–ON: Normal amps for the PSCONR relay coil and PSCON or PSCON2 contactor coils 0.0 to 1.0 Amps (12 VDC). The circuit(s) test outside this range. (During this test either PSCON or PSCON2 will be tested depending on the phase reversal module.) •...
Page 259
Alarm Steps Alarm/Cause Corrective Action P00210 C3 CHECK RETURN AIR SENSOR • TRIGGER–ON: Compartment 3 Return Air Sensor is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Page 260
Alarm Steps Alarm/Cause Corrective Action P00212 CHECK DEFROST SENSOR (3DTT) • TRIGGER–ON: Defrost Sensor for Compartment 3 is not within the range of --53° to +158°F (--47° to +70°C) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
Alarm Steps Alarm/Cause Corrective Action 7.10 MAINTENANCE ALARMS 00223 ENGINE MAINTENANCE DUE • TRIGGER–ON: The Engine Maintenance Hour Meter time has expired. • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records Schedule unit into service facility for Must be done soon!
Page 262
Alarm Steps Alarm/Cause Corrective Action 00225 GENERAL MAINTENANCE DUE • TRIGGER–ON: The General Maintenance Hour Meter time has expired. • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records Schedule unit into service facility for Must be done soon!
Page 263
Alarm Steps Alarm/Cause Corrective Action 00227 SERVICE SOON- -PM #2 DUE • TRIGGER–ON: The Maintenance Hour Meter #2 time has expired. • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records Schedule unit into service facility for Must be done soon!
Page 264
Alarm Steps Alarm/Cause Corrective Action 00229 SERVICE SOON- -PM #4 DUE • TRIGGER–ON: The Maintenance Hour Meter #4 time has expired. • UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records Schedule unit into service facility for Must be done soon!
Page 265
Select the correct model number in the “MODEL b. Enter correct Model Number. NUMBER” Configuration. If correct model number is not found, Install (or have Carrier Transicold dealer install) latest software revision. Reset Microprocessor a. Place the Main Power switch in the Microprocessor powers up OK.
Page 266
Alarm Steps Alarm/Cause Corrective Action 00237 FUNCTION PARAMETERS ERROR • TRIGGER–ON: There is an error in one or more of the Functional Parameters that are stored in the microprocessor memory. • UNIT CONTROL: Incorrect Functional Parameter(s) will be automatically set for default value. •...
Page 267
Alarm Steps Alarm/Cause Corrective Action 00238 CONFIGURATIONS 1 ERROR • TRIGGER–ON: There is an error in the Configuration settings that are stored in the microprocessor memory. • UNIT CONTROL: Incorrect Configuration(s) will be automatically set for default value. • RESET CONDITION: Auto Reset when valid Configuration(s) are entered, or alarm may be manually reset by turning the unit off, then back on again NOTE: Follow the steps below until a problem is found.
Page 268
Alarm Steps Alarm/Cause Corrective Action 00242 DIS PRESS CALIBRATE ERROR • TRIGGER–ON: There is an error in the Compressor Discharge Pressure Sensor Calibration value stored in memory. • UNIT CONTROL: Alarm Only. • RESET CONDITION: Auto Reset when the Discharge Pressure Sensor is calibrated successfully, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
Page 269
Alarm Steps Alarm/Cause Corrective Action 00243 SUCTION/EVAP CALIBRATE ERROR • TRIGGER–ON: There is an error in either or both of the Suction Pressure (CSP) or Evaporator Pressure (EVOP) Sensor Calibration values stored in the microprocessor memory. Note that neither of these transducers can be calibrated manually. This is an error in the microprocessor. •...
Page 270
Alarm Steps Alarm/Cause Corrective Action 00245 CANNOT SAVE SETTING • TRIGGER–ON: There is an error in sending and saving new settings in the Microprocessor memory. • UNIT CONTROL: Alarm only. • RESET CONDITION: Alarm may be manually reset via Keypad or by turning the unit off, then back on again.
Page 271
Alarm Steps Alarm/Cause Corrective Action 00248 CONFIGURATION MODE / HP2 ERROR • TRIGGER–ON: EEPROM configuration is out of range. • UNIT CONTROL: Shutdown and alarm. • RESET CONDITION: Auto Reset only when valid info is available for the microprocessor are entered.
Page 272
Alarm Steps Alarm/Cause Corrective Action 00249 MICROPROCESSOR ERROR • TRIGGER–ON: Microprocessor Input Conversion Error. • UNIT CONTROL: Shutdown and alarm. • RESET CONDITION: Auto Reset when input conversions are valid, or Alarm may be manually reset by turning the unit off, then back on again. Follow the steps below until a problem is found.
Page 273
SECTION 8 - - SERVICE PARAGRAPH NUMBER Page SECTION LAYOUT ............. . . 8--1 SCHEDULED MAINTENANCE .
Unit uses R404A and POE oil. The use of in- 8.3 PRE TRIP INSPECTION ert gas brazing procedures is mandatory for all Carrier Transicold refrigeration units; otherwise compressor failure will occur. Pre trip inspection should be performed before every trip For more information Refer to Technical and at regular maintenance intervals.
Cooling 1 Check coolant change interval (refer to Section f. of this table). 8.5.12 System If replacement is not required, check antifreeze concentration using a refractometer (Carrier Transicold part number 07--00435--00) 8.5.12 2 Clean condenser & radiator surfaces Check 3 Check water pump...
Page 276
Table 8- -1 Maintenance Schedule - - Continued Reference System Operation Section b. Every Service Interval or Yearly - - Continued Refrigeration 1 Check air switch and calibrate 8.8.9 System 2 Check & clean Compartment 1. Compartment 2 and 8.8.1 Compartment 3 evaporator coils and all defrost drain hoses 3 Install manifold gauge set and check refrigerant pressure Check...
Table 8- -2 Pre Trip Inspection WARNING Inspect battery cables for signs of wear, abrasion or damage at every pre trip inspection and replace if necessary. Also check battery cable routing to ensure that clamps are secure and that cables are not pinched or chafing against any components.
Table 8- -2 Pre Trip Inspection - - Continued OPERATE UNIT IN HIGH SPEED COOL AND RECORD (From Microprocessor Unit Data) Suction Pressure Suction line Temp Unit Serial # Discharge Pressure Evap Outlet Temp Unit Model # Evaporator Pressure Compr Disch Temp C2 Evaporator Engine Coolant Temp Battery Voltage...
Disconnect the high voltage source and lockout/tagout the recept- 8.4.3 Door Latch Maintenance And Replacement acle. Attach a grounded wrist strap (Carrier a. Door Latch Maintenance Transicold part number 07-00304-00) and ground it to Proper maintenance is important for smooth operation a good unit frame ground.
d. Start engine. It may be necessary to continue to pump until the engine starts. CAUTION Running the engine for an extended period of time with the manual plunger up can cause a priming pump failure e. Depress and turn the top of the manual plunger clock- wise to lock in place.
To check or replace Screen 8.5.5 Fuel Filter a. Ensure the unit will not start automatically by dis- To replace filter: abling any two way communication and placing the a. Ensure the unit will not start automatically by dis- Main Power switch in the OFF position. Disconnect abling any two way communication and placing the the high voltage source and lockout/tagout the re- Main Power switch in the OFF position.
Dipstick 2 SAFE QTS 1 Figure 8- -10 Engine Oil Level Figure 8- -12 Oil Drain Tool c. To Change Engine Oil Filter: 1 If not continuing from preceding step b., warm up the engine and then stop it by placing the Main Power switch in the OFF position.
b. Check all connections for mechanical tightness. Be 5 Clean gasket surfaces and reinstall intake air heater sure filter outlet pipe is not fractured. and flange using new gaskets. Torque flange bolts to 11 to 18 ft/lbs (15 to 24 nm). c.
8.5.12 Cooling System NOTE Only clean water should be used to flush the a. Cleaning and Flushing cooling system. Do not use any radiator flush or Air flows through the condenser and then the radiator. detergents to clean the radiator. The cooling surfaces of both must be clean and the interior of the radiator must be clean for adequate 5.
8.5.13 Water Pump V- -Belt in step 1), use a flat, blunt object to guide the belt onto the crank pulley. Be careful not to damage grooves on the pulley or belt. 8.5.14 Crankcase Breather WARNING The engine uses a closed type breather with the Beware of moving poly V-belt and belt driv- breather line attached to the cylinder head cover.
1. Install a manifold gauge set to allow reading of dis- charge pressure. See Figure 8--18. 2. Start unit in Continuous Run Operation. Adjust set- points so that unit is running in high speed, fully loaded and all compartments are operating in cooling. Run approximately ten minutes -- until the refrigera- tion system is warmed up and the refrigerated com- partment temperatures are approaching setpoint.
Page 289
as 375 psig (25.5 bar). Do not let the discharge pres- tween the compressor discharge service valve and the liquid line service valve. sure exceed 400 psig (27.2 bar). Open the refrigerant cylinder valve, and allow the refrigerant to flow into 8.
Page 290
refrigerant flow into the cylinder. If the unit is operat- a. Leak Checking a Charged System ing, close the cylinder valve and backseat the liquid 1. Ensure the unit will not start automatically by dis- line service valve when the ball in the upper sight abling any two way communication and placing the glass drops to the bottom of the glass.
Page 291
WARNING CAUTION Do not vapor charge R404A. Only liquid Do not use a nitrogen cylinder without a charging through the liquid line service pressure regulator. Cylinder pressure is valve is acceptable. approximately 2350 psig (159.9 bar). Do not use oxygen in or near a refrigerant system 3.
Page 292
Only a refrigerant cylinder containing system include a good vacuum pump R404A should be connected to this refriger- (5 cfm/8m#H volume displacement, Carrier ation unit in order to pressurize the system. Transicold part number 07-00176-11) and a However, dry nitrogen may be used to in-...
Page 293
9. Break the vacuum with dry nitrogen through the dis- pump valve and shut off the pump. Wait a few minutes charge service valve. Raise system pressure to to be sure the vacuum holds below 2000 microns. approximately 2 psig (0.1 bar). Ensure that the micro- 10.
Page 294
2. Start the unit with at least one compartment in cool- c. Loosen the suction and discharge service valve ing so that compressor operates. mounting bolts. Tap the valve bodies to break the seal and then remove bolts. 3. Frontseat the liquid line service valve. Shut down the d.
Note: Location of items 5 & 6 may be reversed Torque 33 to 37 ft lbs Torque 60 to 70 ft lbs (44 to 50 Nm) BACK VIEW (81 to 95 Nm) FRONT VIEW 1. Compressor Discharge Pressure Transducer 9. Valve Plate 2.
Adding Oil With Compressor In System CAUTION Use only Carrier Transicold approved Poly- ol Ester Oil (POE). Buy quantities of one gal- lon or less. When using this hygroscopic oil, immediately reseal. Do not leave con- tainer of oil open or contamination will oc- cur.
pressor suction service valve port and connect the NOTE common connection to a vacuum pump. Remove If pressures do not change as indicated, check the discharge hose from the manifold gauge set; the unloader coil resistance (refer to Section connect the end with the Schrader depressor to the 2.13).
Page 299
Replacing Unloader Valve Internal Parts loader ring pliers (Carrier Transicold part number 07--00223--00) compress the unloader ring while in- 1. Pump down the compressor. Refer to Section 8.6.2 serting the unloader into the compressor head. step e. 6. One valve body mounting hole is offset to assist in 2 Ensure the unit will not start automatically by dis- correctly aligning the valve body and gasket.
8. Remove the condenser/radiator assembly from the c. Wrap threads of new sight glass or plug with Teflon tape or spread sealing compound on pipe threads unit. and install. Torque the sight glass to 15 to 25 ft lbs (20 9.
The power head should be set to 100% open when received from 1. To test with a stepper motor drive tester (Carrier the warehouse. This is to ensure the Teflon valve seal Transicold part number 07--00375--00), connect the 4 is not damaged when it is installed.
The valve stepper motor may be tested using a stepper motor drive tester or ohmmeter. 1. To test with a stepper motor drive tester (Carrier Transicold part number 07--00375--00), connect the 5 pin test cable to the valve connector, and the cable wires to the tester in accordance with wire and termin- al color.
3. If the suction pressure does not change, this is an in- 1. Remove switch as outlined in preceding section dication the valve is stuck and the piston and drive 2. Connect ohmmeter or continuity light across switch motor assembly is to be replaced. terminals.
NOTE routed above coil. Check condition and mounting of air Use a hand aspirator (Carrier Transicold part sensing fittings on the coil end of both tubes. number 07-00177-01), since blowing into tube by mouth may cause an incorrect reading.
5. Using Unit Data (refer to Section 3.13), check to en- c. Replacing internal parts sure the EVXV is 0% open, slowly open the liquid line service valve. The suction pressure should not rise. If the suction pressure rises the leakage possibilities are: the EVXV, 2LSV or 3LSV.
10.From the temperature/pressure chart (refer to tester (commonly known as a megohmmeter or Table 8--7), determine the saturation temperature Megger), such as Carrier Transicold part number corresponding to the average suction pressure. 07--00481--00, that can be set to 1000V. 11. Subtract the average saturation temperature from the average bulb temperature.
S Retesting the harness and component (i.e. the motor plate (PE plate) inside the control box. See Figure 8--34. Fully insulate the ground wire terminal windings) with the megohmmeter to determine where with electrical tape. the short to ground is located i.
When the unit is started in standby, power is supplied to 8.9.4 Overload Ground Fault (OGF) the PRM +12V terminal to activate the PRM. Refer to a. Operation wiring schematic, Section 10. Once the PRM is The OGF is designed to detect current overload and activated, it will provide a 12VDC power signal to the fault to ground in the AC voltage circuits.
8.9.5 Evaporator Heaters f. When reinstalling Compartment 1 brackets torque to 6 to 7 ft/lbs (8.1 to 9.5 Nm). Rods should move freely NOTE from side to side when installed. A good preliminary test of the heaters is to run a g.
d. Remove the supply air sensor and then remove the b. Disconnect the motor electrical connector. Note mo- nozzle. tor is assembled to allow routing of the wiring down the lower right hand leg of the welded support. See e. Loosen the four bolts on the underside of the support Figure 8--39 bracket that fasten the two mounting brackets.
Page 312
8.9.8 Battery Charger (BTYC) WARNING NOTE A battery of known good condition must be con- Do not direct water or steam into the gener- nected to the charger before doing the following ator openings. Do not allow any soap and water solutions to enter the generator.
Figure 8- -42 Support Assembly Installation 6. If the bolts holding the upper unidrive snubber brack- 12.Install the support tool (Carrier Part Number et to the back of the engine were not removed with 86--04751--00) under the back of the unidrive (see the positive cable, remove the four bolts.
15.Remove the tape from the generator splice connec- CAUTION tions. A mica shim (Carrier Transicold part num- ber 54- -00630- -25) must be installed before When cutting the generator splices, cut on the removal of the generator. The generator is...
Slide the replacement generator on the guide rods 21.Remove the stator bolt at the 11:00 o’clock position and move towards the engine, aligning the stator on and install the lift tool (see Figure 8--48 = Carrier Part the dowel pins Number 07--60085--010). Remove the remaining Rotate the lifting tool lock out of the way as the stator stator bolts.
GREEN Figure 8- -51 Generator/Harness Wire Connections 9. Procure four pieces each ¼ inch and ½ inch heat shrink (Carrier Part Number 66U1--3803--01 and 66U1--3803). Slide one piece of each size onto the Figure 8- -49 Generator Rotor Bolt Installation four generator wires.
the harness ground wire (12) at the back of the gen- erator 15.Reinstall the battery charger(s). 16.If required, reconnect the microprocessor connect- ors at the positive and negative cable ends and rein- stall the battery charger terminals at the positive cable end.
SECTION 9 UNIT TROUBLESHOOTING CAUTION Under no circumstances should anyone attempt to repair the keypad, display or internal control module components. Should a problem develop with these components, contact your nearest Carri- er Transicold dealer for replacement. NOTE Run a Pretrip and check all active alarms before continuing with troubleshooting. 9.1 ENGINE Indication/Trouble Possible Causes...
Page 323
Indication/Trouble Possible Causes Action/Refer- ence Section 9.1.2 Engine Starts Then Stops Fuel supply restricted Check No fuel in tank Check Leak in fuel system Check Faulty fuel control operation Engine Manual Plugged fuel filter 8.5.5 Plugged inlet screen to mechanical pump. 8.5.3 Plugged inlet screen to electric pump.
Indication/Trouble Possible Causes Action/Refer- ence Section 9.1.6 Miscellaneous Engine Troubleshooting Air cleaner or hose restricted 8.5.9 Air in fuel system 8.5.2 Air vent restricted in fuel tank cap Clean Restricted fuel lines Engine Manual Defective fuel injection pump Engine Manuall Loss of power Defective injector(s) or incorrect type Engine Manual...
9.3 GENERATOR Indication/Trouble Possible Causes Action/Refer- ence Section Damaged harness Check GENCON damaged Check No voltage with engine running Open or short in stator windings Check Low engine speed Correct Excessive load Check Low voltage High resistance connections -- connections Clean and warm or hot Tighten...
Page 326
Indication/Trouble Possible Causes Action/Refer- ence Section 9.4.4 Unit Will Not Terminate Cooling Temperature sensor malfunction 8.9.10 Contactor (CCON) stuck closed Check Check setpoint Unit fails to stop cooling Check whether Microprocessor improperly set microprocessor is set at °C or °F 9.4.5 Unit Will Not Heat Or Has Insufficient Heating Heater(s) defective 8.9.5...
Page 327
INDICATION/ Action/Refer- Possible Causes ence Section TROUBLE 9.4.8 Abnormal Pressure Condenser coil dirty 8.8.2 Condenser fans rotating backwards Check Wiring Condenser fan inoperative Check High discharge pressure Refrigerant overcharge or noncondensibles 8.6.2 Discharge service valve partially closed Open Compressor valves(s) worn or broken 8.7.1 Low refrigerant charge 8.6.2...
9.5 Speed Control System Diagnostics Table 9- -1 ENSCU LED Fault Chart Fault LED flash code Diagnostic tree Engine Over Speed: more than 2,530 RPM One Long–One Short Figure 9--1 No signal from ENSSN for 2 seconds after RPM Two Long–One Short Figure 9--2 is greater than 1,000 RPM for 10 seconds, OR for 5 seconds while engine cranking (no voltage...
START HERE Start unit. Using strobe light 07-00177-01 or equivalent, check engine RPM. Is RPM equal to or over NOTE : Ensure the run relay is ener- 2,530? gized during test . With ENSSN un- plugged during testing , unit will stall &...
START HERE Verify unit starts, go into high speed and stall after running for a few seconds? Using jumper wire, verify there is at least 11 VDC at ENSCU terminal 25? Check for high resistance or an Verify there is at least 11 open in the VDC going into the ENSSN ground...
START HERE Go to Advance Micro Does the engine starter diagnostic tree Figure 9- -6 engage & turn the engine over? Verify the proper voltage Check for high resistance Using jumper wire, are the going into FSA terminal or an open on the FSA ground proper voltages present 1.
START HERE With the Main Power switch ON and the ENSCU wire 13 removed from the connector (connector plugged in), check voltage Check voltage output at Replace ENSCU. Did you alternator. Is voltage 26 at ENSCU terminal 13. Is find and correct the condition? VDC or higher? voltage 26 VDC or higher? NOTE: With connector...
9.6 Microprocessor Diagnostics microprocessor. Some steps will point to a possible problem with the microprocessor. Whenever reaching The purpose of the following procedure is to provide a one of these steps, it is a very good practice to install the logical and straightforward guide to be used when dia- new microprocessor, then verify unit operation PRIOR gnosing operational or other problems occurring with...
Main Power switch ON and Check voltage www.transcentral. waiting 2minutes for the display between QC1 & QC2. carrier.com Did the to come on. Did you find and Voltage should read current version of correct the condition? 11 volts or higher.
START HERE Wrong Chart. The unit starts & runs. See Condition 1. Micro may not be configured properly. Verify correct model number is selected in the micro via Unit Data. Did you find and correct the condition? Unit may be running on old software. Upgrade software to current version.
Did the loading System OK, Remove new fuel/speed software from http://www. of the software re-install remote actuator & re-install old transcentral.carrier.com. correct the communication dis- component. Old component is Did the software load problem? connected earlier. not the fault. correctly?
Unit may be running old soft ware. Upgrade START HERE Check the fuel/speed ac- software from http://www.transcentral.carrier.- tuator and plunger for correct operation. com. Did you find and correct the condition? Did you find and correct the condition? System OK Check system suction pressure at compressor.
START HERE Is the unit operating in defrost? Unit may be running old software. Upgrade software from http: //www.transcentral.carrier.com. Did you find and correct the condition? Check functional parameter settings for air flow. Does the setting show high? Check setpoint System OK Is setpoint +10.4F or...
START HERE What does the “NOT CONNECTED” “CONNECTION OK” ReeferManager program display on the bottom of the screen of your PC? Are the dates for the There is no data on the download serial screen? connection. System DataLink data recorder date & Is the micro time may be set wrong.
Using either a PC card or computer with a START HERE download cable hooked into the serial Make sure the Main Power switch port/download plug, load current version of is ON or the microprocessor is in the software into micro. Insert PC card PC Mode.
START HERE Are you trying to load an older Does the MessageCenter say version of software than the version “OLD SOFTWARE: CANNOT LOAD”? in the micro? Insert the PC Card into the PC Card slot on the front of the micro. Be certain that the instructions label on the download card is facing the “Caution”...
Page 343
SECTION 10 - - WIRING PARAGRAPH NUMBER Page 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY ............10--1 10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN--OFF...
Page 344
SECTION 10 WIRING 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY 1MP - - NATURAL 1MP - - NATURAL (Continued) Component Terminal CSP--1 (SP16) 15 (29) (30) OGF--OV (HC--1) (SP16) CDP--1 16 (5) (30) EVOP--1 (DP16--P) 17 (6) (30) ENCT (SP2)
Page 345
10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) 2 MP - - Black 3 MP - - Grey Component Terminal Component Terminal SATCOM--C (GND) 3 (15) (27) 3RS--B (HC9) SLP--C (GND) 5 (13)(17) (29) REMOTE SWITCH (OC--C) 2HTCON2--A1 (2CA--F) SP46 (3 compartment only)
Page 346
10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) 4 MP 5 MP Component Terminal CCONR--1 (SP60) Component Terminal CDCON--A2 SP52 1EVCON--A2 SP56 SP55 PRM--OUT+ CCONR--2 2RS--B CDCON--A1 PSCONR--2 GENCONR--2 BUZZER -- CT BROWN/OGF BROWN IAHR--85 (SP54) SSR--85...
Page 347
10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) DP16 ENSCU Component Terminal 1DTT 1DTT Component Terminal 1SAT 2MP--18 1SAT FSA--1 EVOT ESSN--S EVOT 1RAT MPQC3 (HC--2) 1RAT STARTER MOTOR EVXV--A SP6 (GND) EVXV--B EVXV--C ENSSN--3 EVXV--D...
Page 348
10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) 2EVC HC Plug (22- -04191- -10) (Control Box Side) Component Terminal 3MP18/2LSV SP5/Compartment 2 Remote Evap Power EVHTS/2CA--B 2CA--C/2CH Component Terminal Compartment 2 Remote Evap OGF--OV/1MP15 Ground/GROUND (GND--2) MPQC--3/ENSCU--16...
Page 349
10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) 2C10 (22- -01997- -20) (22- -50078- -03) Component Terminal 3MP07/3HTCON2--A1 Component Terminal 3MP33/3HTCON1--A1 2HTCON1--T1 3MP08/3EVCON--A1 2HTCON1--T2 3HTCON1--A2/3HTCON2--A2/ 2HTCON1--T3 3EVC--C 2HTCON2--T1 3EVCON--A2/SP46 2HTCON2--T2 3HTCON2--14/3EVC--D 2HTCON2--T3 Unused terminals: G & H 2EVCON--T1 2EVCON--T2 3C10...
Page 350
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF 1MP - - NATURAL 1MP - - NATURAL (Continued) Component Terminal CSP--A (SP16) 15 (29) (30) OGF--OV (HC--1) (SP16) CDP--A 16 (5) (30) EVOP--A (DP16--P) 17 (6) (30) ENCT (SP2) 18 (7) CST (SP14)
Page 351
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF (Continued) 2 MP - - Black 3 MP - - Grey Component Terminal Component Terminal SATCOM--C (GND) 3 (15) (27) OC--C SLP--C (GND) 5 (13)(17) (29) 2EVC--F (SP45) 2CA--F 2CA--D (SP45)
Page 352
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF (Continued) 4 MP 5 MP Component Terminal CCONR--1 (SP60) Component Terminal CDCON--A2 MPQCC9/SP52 1EVCON--A2 SP56 SP55 PRM--OUT+ CCONR--2 2RS--B CDCON--A1 PSCONR--2 GENCONR--2 BUZZER -- CT2/OGF (SP54) GPR--85 CT2,3 &...
Page 353
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF (Continued) DP16 ENSCU Component Terminal 1DTT--B 1DTT--A Component Terminal 1SAT--A 2MP--18 1SAT--B FSA--1 EVOT--A ESSN--S EVOT--B 1RAT--A HC--2 1RAT--B STARTER MOTOR EVXV--A SP6 (GND) EVXV--B EVXV--C ENSSN--12V EVXV--D FSA--2...
Page 354
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF (Continued) 2EVC HC Plug (22- -04191- -10) (Control Box Side) Component Terminal 3MP18 2CA--B 2CA--C GND--2 Component Terminal SP45 OGF--OV/HC--1 OC--G MPQC--3 SP12 MPQC--1 1MP33 MPQC4 1MP8 RCR--2 SP42...
Page 355
10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF (Continued) 2C10 (22- -01997- -20) Component Terminal 2HTCON1--T1 2HTCON1--T2 2HTCON1--T3 2HTCON2--T1 2HTCON2--T2 2HTCON2--T3 2EVCON--T1 2EVCON--T2 2EVCON--T3 PE Plate Unused terminals: 11,12 62-11524 10--12...
Page 356
10.3 CONTROL BOX INTERIOR SPLICE POINTS FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/STANDBY Splice Point No. Component Splice Point No. Component RCR--1 F5--A FHR--1 F19--A HC--15 IAHR--30 MPQC--2 F6--A PRM--OV SSR--30 CCON--A2 F9--A GENCONR--3 BUZZER + LOW VOLT GND 5MP--1 3RSA (3 compartment only) OGF -- +12V...
Page 357
10.4 CONTROL BOX INTERIOR SPLICE POINTS FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN- -OFF Splice Point No. Component Splice Point No. Component F5--A HC--15 HC--16 MPQC--2 GPR--30 PRM--OV F6--A CCON--A2 SSR--30 GENCONR--3 F9--A LOW VOLT GND BUZZER + F9--B 5MP--1 CCONR--3...
10.5 DISPLAY TEST POINTS NOTE Refer to Section 5.6 for microprocessor and display diagnostic procedures Test Point Color Description TP14 Pin 1 Black +12 VDC for Display backlighting and indicator LED s TP13 Pin 2 White Ground for backlighting and indicator LEDs TP13 Pin 3 Ground for backlighting and indicator LEDs...
Page 359
(THREE PHASE CHARGERS ONLY) VECTOR 6600MT With Main Power Switch Labeled ENGINE/OFF/STANDBY 2 COMPARTMENT Based on 62--11580_ART6_S6_RF...
Need help?
Do you have a question about the United Technologies TRANSICOLD VECTOR 6600MT and is the answer not in the manual?
Questions and answers