Carrier VECTOR 6500 Operation & Service Manual

Carrier VECTOR 6500 Operation & Service Manual

Single-temp trailer and rail refrigeration units with advancet microprocessor
Table of Contents

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Trailer & Rail Refrigeration
EVAPORATOR
EVXV
CONDENSER
RECEIVER
Operation & SERVICE
MANUAL
for
VECTOR 6500
Single- -Temp Trailer and Rail
Refrigeration Units
With Advancet Microprocessor
62--11389 Rev A Change 09/11

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Summary of Contents for Carrier VECTOR 6500

  • Page 1 Trailer & Rail Refrigeration EVAPORATOR EVXV CONDENSER RECEIVER OPERATION & SERVICE MANUAL VECTOR 6500 Single- -Temp Trailer and Rail Refrigeration Units With Advancet Microprocessor 62--11389 Rev A Change 09/11...
  • Page 2 OPERATION & SERVICE MANUAL VECTOR 6500 Single−Temp Trailer and Rail Refrigeration Units With Advancet Microprocessor...
  • Page 3 TABLE OF CONTENTS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ..............1−1 SAFETY PRECAUTIONS .
  • Page 4 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page SYSTEM OPERATING CONTROLS AND COMPONENTS ....... . . 2−11 2.5.1 Multiple Languages .
  • Page 5 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 3.18 STOPPING UNIT ..............3−29 3.19 DataLink DATA RECORDER .
  • Page 6 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page DEFROST ................4−8 4.6.1 Defrost Initiation And Start .
  • Page 7 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page MESSAGECENTER ................6−1 MESSAGECENTER MESSAGES .
  • Page 8 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page CHECK REMOTE SWITCH 2 (REMS2) ..........7−42 DATALOGGER (DataLink data recorder) NOT RECORDING .
  • Page 9 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 7.9 PRETRIP ALARMS ..............7−75 P141 PRETRIP STOPPED BY USER .
  • Page 10 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 7.11 MICROPROCESSOR ALARMS ............7−102 SETPOINT ERROR .
  • Page 11 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 8.5.13 Water Pump V-Belt ..............8−14 8.5.14 Crankcase Breather .
  • Page 12 TABLE OF CONTENTS − Continued PARAGRAPH NUMBER Page 8.8.7 High Pressure Switch ............. . 8−31 8.8.8 Pressure Transducers .
  • Page 13 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...
  • Page 14 LIST OF ILLUSTRATIONS FIGURE NUMBER Page Figure 1−1 Lockout/Tagout ..............1−1 Figure 2−1 Front View - Refrigeration System Components .
  • Page 15 LIST OF ILLUSTRATIONS − Continued FIGURE NUMBER Page Figure 8−17 Engine Crankcase Breather ............8−14 Figure 8−18 Refrigerant System Service Equipment .
  • Page 16 LIST OF TABLES TABLE NUMBER Page Table 2-1 Model Chart ............... . . 2−1 Table 2-2 Additional Support Manuals .
  • Page 17 SECTION 1 − SAFETY PRECAUTIONS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ............1−1 SPECIFIC WARNING AND CAUTION STATEMENTS .
  • Page 18: Safety Precautions

    SAFETY PRECAUTIONS Refrigerants 1.1 SAFETY PRECAUTIONS Your Carrier Transicold refrigeration unit has been designed with the safety of the operator in mind. During The refrigerant contained in the refrigeration system of normal operation, all moving parts are fully enclosed to this unit can cause frostbite, severe burns, or blindness help prevent injury.
  • Page 19 1.2 SPECIFIC WARNING AND CAUTION WARNING STATEMENTS To help identify the label hazards on the unit and explain Ensure the power plug is clean and dry the level of awareness each one carries, an explanation before connecting to any electrical outlet / is given with the appropriate consequences: receptacle.
  • Page 20 WARNING ternal control module components. Should a problem develop with these components, Do not use a nitrogen cylinder without a contact your nearest Carrier Transicold pressure regulator. Cylinder pressure is dealer for replacement. approximately 2350 psig (159.9 bar). Do not...
  • Page 21 Unit uses R404A and POE oil. The use of in- CAUTION ert gas brazing procedures is mandatory for all Carrier Transicold refrigeration units; otherwise compressor failure will occur. Do not vapor charge R404A. Only liquid For more information Refer to Technical...
  • Page 22 CAUTION CAUTION A mica shim (Carrier Transicold part num- ber 54-00630-25) must be installed before Extreme care must be taken to ensure the removal of the generator. The generator is hose is immersed in the oil at all times.
  • Page 23 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) 62-11389 1−6...
  • Page 24: Safety Instructions

    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 25 62-11389 1−8...
  • Page 26 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 62-11389 1−9...
  • Page 27 SECTION 2 −UNIT DESCRIPTION PARAGRAPH NUMBER Page INTRODUCTION ..............2−1 GENERAL DESCRIPTION .
  • Page 28 Figure 2−1. (Figure 2−3). 2.2 GENERAL DESCRIPTION S the evaporator section (Figure 2−4). The Vector 6500 unit is a hybrid diesel/electric, fully S the controls (Items 11 through 14, Figure 2−3: charged, pre-wired, refrigeration/heating “nosemount” Figure 2−5 & Figure 2−9).
  • Page 29 Condenser & Radiator Compressor Sight Glass Ambient Air Temperature Sensor Compressor (C) (ATT - behind grille) Front Unloader Valve (UL1) Model/Serial Number Nameplate Compressor Suction Temperature Sensor (CST) Power Supply Receptacle Compressor Suction Modulation Valve (CSMV) (PSR - Under Unit) Condenser Fans and Motors (CDM1 &...
  • Page 30 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)
  • Page 31 Exhaust (Location) Keypad Door Coolant Bottle (Location) Serial Download Port (SLP) Air Cleaner & Air Cleaner Service Indicator Lube Oil Filter (Behind bracket) Engine Oil Level Switch (ENOLS) Engine Speed Control Unit (ENSCU) Lube Oil Fill & Dipstick Engine Coolant Temperature Sensor (ENCT) Lube Oil Drain Intake Air Heater (IAH) Starter Motor (SM)
  • Page 32 EVXV IS LOCATED CLOSER TO THE CENTER OF THE COIL ON EARLY UNITS Defrost Termination Temperature Sensor Evaporator Outlet Temperature Sensor (EVOT (DTT - Located on curbside tube sheet) - On suction line under insulation) Evaporator Air Nozzle Evaporator High Temperature Switch (1EVHTS Evaporator Fan/Motor Assembly (EVM) - Located on roadside tube sheet) Evaporator Fan/Motor Wiring...
  • Page 33 CONTROL BOX Heat Contactor 1 (1HTCON1) Starter Solenoid Relay (SSR) Fuse (F28) Buzzer (B) Fuse (F27) Fuse (F19) Fuse (F26) Display Fuse (F12) Microprocessor (MP) Fuse (F11) Fuse - Standby Contactor Power (F9) Fuse (F10) Microprocessor Power Fuse (F6) Fuse (F8) Power Supply Contactor (PSCON) Fuse (F7) Power Supply Contactor 2 (PSCON2)
  • Page 34 2.3 CONDENSING SECTION b. Fuel/Speed Actuator (FSA) The FSA combines the fuel shutoff solenoid and speed The condensing section (see Figure 2−1 & Figure 2−2) control solenoid into one component. Fuel supply to the consists of an engine-generator drive package, injectors and engine speed is controlled by varying rod compressor, condenser fans, condenser coil, radiator, position in accordance with the signal from the ENSCU.
  • Page 35 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 2−7 Compressor Cylinder Head Unloaded b. Unloaded Operation Pressure from the discharge manifold (item 15, When the pressure behind the piston has been reduced Figure 2−7) passes through the strainer (9) and bleed...
  • Page 36 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 Loaded c. Loaded Operation 2.3.7 Compressor Switches, Transducers and Sensors a.
  • Page 37 d. Compressor Suction Temperature Sensor (CST) 2.4.1 Evaporator Coil The evaporator is a tube in fin type. The operation of the The CST provides a signal to the microprocessor compressor maintains a reduced pressure within the equivalent to to the temperature of the gas entering the coil.
  • Page 38 It is located in corner of the unit. the roadside of the supply air outlet housing. 2.5 SYSTEM OPERATING CONTROLS AND CAUTION COMPONENTS Temperature control is provided by the Carrier Under no circumstances should anyone at- Transicold Advance microprocessor. Once...
  • Page 39 1. Blink once per second when data is being trans- the Micro Status LED will continue at the 1/2 second ferred to, or from, the PC Card. Will be on steady rate and the Card Status LED will come on solid and when the operation is complete indicating the PC remain on solid until the card is removed from the Card may be removed.
  • Page 40 ALTERNATE CONFIGURATION -20.0 +34.5 F STANDBY ENGINE ENGINE START/RUN SELECT MANUAL ALARM LIST START‐STOP/ DEFROST CONTINUOUS STANDBY MAIN POWER SWITCHES Indicator lights Select Key Keypad Door Switch Board Main Display MAIN POWER SWITCHES MessageCenter Diesel/Off/Engine Standby Switch (DOES) Keypad (Note: switch is labeled Up and Down Arrow Keys ENGINE/OFF/STANDBY) Enter Key...
  • Page 41 Message Center Functional Parameter, clearing alarms, and locking the data menu. Messages generated by the microprocessor are MANUAL DEFROST Key displayed in the MessageCenter. As the main display MANUAL DEFROST scrolls every 5 to 10 seconds from one active The MANUAL DEFROST key may be used compartment to another, the applicable message for to initiate a defrost cycle when the required that particular compartment will also be displayed.
  • Page 42: Electronic Modules

    2.6 ELECTRONIC MODULES amber LED indicates “CHECK UNIT”. The amber light is illuminated when the microprocessor illuminates the 2.6.1 Overload Ground Fault Module (OGF) fault light. Alarms can be read on the microprocessor display. AMBER GREEN Figure 2−11 OGF Module The OGF, see Figure 2−11, is located in the control box (see Figure 2−5).
  • Page 43 2.7.3 Remote Temperature Sensors 2.7.4 Remote Control Panel The unit may be fitted with, and the remote switch/door The unit is provisioned to connect up to three remote switch configurations set for, an optional remote control temperature sensors directly to the microprocessor. panel.
  • Page 44 2.9 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 2.10 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 °...
  • Page 45 2.11 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 Voltage and Frequency 310 to 660 VAC 45 to 65 Hz Evaporator Fan Motor Bearing Lubrication Factory lubricated, additional grease not required...
  • Page 46 2.13 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 2.10) the plug will melt, releasing the refrigerant pressure.
  • Page 47 2.14 REFRIGERANT CIRCUIT DURING COOLING flow of liquid refrigerant to the evaporator to obtain maxi- mum use of the evaporator heat transfer surface. When cooling, (See Figure 2−14) the unit operates as a The refrigerant pressure drop caused by the expansion vapor compression refrigeration system.
  • Page 48 Â Â Â Â Â Â MICROPROCESSOR Â Â Â Â Â Â Â Â Â Â Â Â Â Â EVOP EVXV Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â EVOT Â...
  • Page 49 SECTION 3 − OPERATION PARAGRAPH NUMBER Page STARTING - ENGINE OPERATION ..........3−1 STARTING - STANDBY OPERATION .
  • Page 50 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 51 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 instruction, 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 52 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 53 3.3 SELF TEST MODE LIGHTS MAIN DISPLAY MessageCenter DOOR ENGINE STANDBY SELF TEST • When first powered up, the microprocessor will run a . If the IntelliSet option has been installed the name of self test consisting of the following steps: the current IntelliSet or “INTELLISET OFF”...
  • Page 54 3.4 PRETRIP 1. Place the switch labeled ENGINE/OFF/STANDBY in the desired position OR place the switch labeled START/RUN-OFF in the START/RUN position. HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE TEST #1 XX% COMPLETE KEYPAD MANUAL SELECT ALARM LIST START‐STOP/...
  • Page 55 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- If “CAN NOT START PRETRIP” is displayed in the MessageCenter, check to see if the unit is in sor, both lights of the Light Bar will be on during this test.
  • Page 56 PRETRIP (Continued) Test 4 - Temperature Sensor Check Test 10 - Condenser Fan Motors Amperage Check The condenser fan motor contactor will be energized Check the condition of all of the system temperature and checked for proper current draw. An alarm will be sensors.
  • Page 57 3.5 CHANGING SET POINT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE SETPOINT CHANGED MANUAL SELECT ALARM LIST START‐STOP/ DEFROST CONTINUOUS 1. Press the UP ARROW or DOWN ARROW key to change the set point to the desired value.
  • Page 58 3.6 START-STOP OPERATION START-STOP LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 SETPOINT BOX TEMPERATURE START-STOP MODE SELECTED MANUAL SELECT ALARM LIST START‐STOP/ DEFROST CONTINUOUS 1. Press the START-STOP/CONTINUOUS key until the START-STOP Light on the microprocessor illuminates. 2.
  • Page 59 3.7 CONTINUOUS OPERATION CONTINUOUS OPERATION LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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. Verify that “CONTINUOUS RUN MODE SELECTED” is dis- OPERATION Light on the micropro- played on the MessageCenter and that the CONTINUOUS cessor illuminates.
  • Page 60 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 Entering using Functional Parameter settings: 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2.
  • Page 61 Pressing the = key will allow the user to select the date If the unit is already running when Sleep Mode is se- and time the unit is to automatically wake up. The wake lected, it will continue to run until the conditions de- up time must be at least 1 hour and no more than 8 days scribed above are met.
  • Page 62 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” for 5 seconds, or flash “CANNOT START DEFROST CYCLE”...
  • Page 63 3.10 TRIP START HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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”.
  • Page 64 3.11 VIEW ACTIVE ALARMS ALARM LIGHT HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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 65 3.12 VIEW INACTIVE ALARMS HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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”...
  • Page 66 3.13 UNIT DATA HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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 67 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 SUPPLY AIR TEMP Supply (air leaving evaporator) temperature DELTA-T Supply air temperature minus return air temperature AMBIENT AIR TEMP Ambient (air entering condenser) air temperature DEFROST TERM TEMP 1...
  • Page 68 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 PRODUCTSHIELD SETUP: Press “=” to access the list. S PRODUCTSHIELD Indicates if ProductShield Econo is OFF OR Go To Start-Stop OR Go ECONO: To Continuous Run ECONO MIN...
  • Page 69 3.14 VIEW HOUR METERS HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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 ↑↓ TO VIEW HOURMETERS”. Press the green UP ARROW key.
  • Page 70 3.15 FUNCTIONAL PARAMETERS HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F +34.5 F -20.0 -20.0 SETPOINT SETPOINT BOX TEMPERATURE BOX TEMPERATURE PRESS ↑ ↓ TO VIEW SETTINGS MANUAL SELECT ALARM LIST START‐STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓...
  • Page 71 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. OFF - Normal engine speed operation.
  • Page 72 Table 3-2 Functional Parameters - Continued PARAMETER FUNCTION DESCRIPTION SELECTIONS OFF = Supply air temperature will be limited to the colder temperature of 32°F (0°C) or set point less the Supply Air Limit Configuration value. PERISHABLE ON = Supply air temperature will be limited to set point less the Supply SENSITIVE Air Limit Configuration value.
  • Page 73 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 every time the engine starts in Continuous operation.
  • Page 74 3.16 LANGUAGE SELECTION HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +34.5 F -20.0 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).
  • Page 75 For example: A load of apples may require continuous settings. Factory IntelliSets are available from operation at 35°F (1.7°C) with a defrost every 3 hours your authorized Carrier Transicold Truck/Trailer while a load of cheese may require the same operation dealer.
  • Page 76 3.17.1 Changing IntelliSets - With the = Key Enabled. NOTE: If pressing the = key does not bring up the IntelliSet message the mi- croprocessor is not configured with this feature. To view IntelliSets, refer to the following section. HEAT COOL DEFROST ALARM...
  • Page 77 3.17.2 Changing IntelliSets - Without the = Key Enabled. HEAT COOL DEFROST ALARM START‐STOP CONTINUOUS +36.5 F +34.0 SETPOINT BOX TEMPERATURE PRESS ↑ ↓ TO VIEW INTELLISETS MANUAL SELECT ALARM LIST START‐STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until MessageCenter displays “PRESS ↑↓...
  • Page 78 3.18 STOPPING UNIT WARNING Always place the Main Power switch in the OFF position and turn off the high voltage power sup- ply before disconnecting the high voltage power plug from the unit. unit off ENGINE STANDBY To stop the unit, place the Main Power switch in the OFF position.
  • Page 79 3.19 DataLink DATA RECORDER b. Sensor Data This information is recorded at pre-determined intervals The Advance microprocessor contains a built-in as a snapshot of the sensor at the time of the recording, DataLink data recorder with 512K of memory. The re- or an averaged reading of the sensor readings since the corded data can be downloaded from the DataLink data last recording.
  • Page 80 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 81 3.20.2 Remote Control Panel 1 Control panel power on LED 2 System ON/OFF key 3 Reset Button 4 Manual defrost key 5 Control panel lock LED 6 HEAT mode LED 7 COOL mode LED 8 Set point display 9 Up and down arrow keys 10 Temperature display TEMP.
  • Page 82 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.
  • Page 83 4. Set lowest set point required. 5. Press Carrier logo and P2 will be displayed. Set next highest temperature required. 6. Follow same procedure for the next three temperatures. 2. Press Carrier logo and the lock light will illuminate. 62-11389 3−34...
  • Page 84 1. Place the unit switch panel mounted Main Power switch in the desired position. 3. Press UP ARROW for 10 sec- onds. P1 will be displayed. 4. Set temperature to lowest pre-set set point and OFF will be displayed 2. Press Carrier logo and the lock light will illuminate. 62-11389 3−35...
  • Page 85 SECTION 4 − ENGINE/STANDBY/TEMPERATURE CONTROL PARAGRAPH NUMBER Page INTRODUCTION ..............4−1 ENGINE/STANDBY OPERATION .
  • Page 86: 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.
  • Page 87: Temperature Control

    The engine start sequence consists of periods of time If the unit is equipped with a fuel heater, the with the intake air heater relay (IAHR) or glow heater microprocessor will monitor ambient temperature. If relay (GPR) and starter solenoid relay (SSR) energized ambient is below 77°F (25°C) power will be supplied to and de-energized for up to three start attempts.
  • Page 88 NOTES perature is equal to or less than 0.36_F (0.2_C) above set point. 1. The compressor is always started with both unloaders energized (unloaded). After 10 4.3.4. Defrost seconds of operation (for UL1) or 1 minute Refer to Section 4.6 for a description of defrost. of operation (for UL2) they are allowed to 4.3.5.
  • Page 89 If SEPARATE is selected, then the following Functional and shutdown will be allowed when battery voltage is at Parameter values will be available for use: or above the calculated value. • PERISHABLE MINIMUM RUN TIME When the microprocessor is powered up, the •...
  • Page 90 4.4.3 Re-Start Parameters The MINUMUM OFF TIME parameter value may be set from 10 to 90 minutes in 1 minute intervals. The factory While the unit is in a Start-Stop OFF Cycle, restart will default setting minutes. RESTART be initiated when one of the following conditions occurs: TEMPERATURE value may be set from 0.5 to 18_F (2 to 10_C) in 0.5 (F or C) increments.
  • Page 91 When Null Mode is required and the system is operating while the engine, condenser fan and evaporator fan will continue to operate. • Standby Operation, the compressor will shutdown • Engine Operation, the compressor will shutdown while the evaporator fan will continue to operate. FALLING REFRIGERATED COMPARTMENT...
  • Page 92 FALLING REFRIGERATED COMPARTMENT TEMPERATURE SWITCH POINTS Pulldown = High Speed Transition to low speed at 6 Cylinder COOL Enter high speed at Start-Stop Override Start-Stop Override Func- Functional Parameter tional Value + 1 Parameter Value + 2 (+5.4 to 19.85F = +3 to 115C) (+7.2 to 23.45F = +4 to 125C) Low Speed Enter cool at Start-Stop...
  • Page 93 4.6 DEFROST the engine will operate in low speed when the heaters are de-energized. Defrost is an independent cycle overriding cooling and a. Normal Defrost Mode heating functions in order to de-ice the evaporator. When the unit is in defrost, the DEFROST LED will be on, the Normal Defrost Mode will be entered if RAT is less than MessageCenter will...
  • Page 94 4.7. USER SELECTED OVERRIDE OPERATION Configuration (each of which can be set from 0 to -21.6_F [0 to -12_C]). Three optional software override programs are avail- NOTE able to the user. These programs include: Supply Air These values are all negative (except for 0), Limit Control, Temperature Range Lock and Pro- ductShield.
  • Page 95 4.7.2 Temperature Range Lock 1 & 2 each IntelliSet is generally programmed for a specific product, only Range Lock 1 is used to hold the unit in Range Lock is a group of Configurations which may be either the Start/Stop or Continuous Operation, and set to lock the unit into Start-Stop or Continuous Range Lock 2 is left off.
  • Page 96 Range 1 always has priority when Range 1 & 2 overlap Range 1 is set for 325 to 425F Range 2 is set for -225 to (05 to 5.65C) 89.65F (-305 to 325C) Set for Continuous Set for Start-Stop Range 2 Range -23.3 -17.8...
  • Page 97 met in order for the unit to return to ProductShield Example 4 If both the Minimum and Maximum are set to OFF, ProductShield Econo: Go To Continuous can Econo: Start/Stop. not operate as there is no range for the ambient to fall ProductShield Econo: Go To Start/Stop Examples: outside of.
  • Page 98 ProductShield High Air Examples 4.8.2 Compressor Minimum Operating Time Example 1 If the Minimum is set to 0°F (-17.8°C) and Each time the compressor is started it must operate for the Maximum is set to 90°F (32.2°C) and the ambient air a minimum of 3 minutes before it can be de-energized.
  • Page 99 6. Defrost. NOTE Generally, the unit will go into an off cycle from When the unit is in defrost: high speed when this condition occurs. Howev- er, if one of the required conditions for shutdown is no longer met during this time, (for example, S the engine will operate in high speed when heaters the battery voltage drops below the configured are energized (to supply power for the heaters).
  • Page 100 unless the compressor is restarting following a defrost 9. High Discharge Pressure. cycle. If the compressor discharge temperature (CDT) S If the compressor discharge pressure reaches 435 becomes greater than 284°F (140°C) or the system re- turns to Pulldown mode 10 minute will be overridden and psig (29.6 bar) at some point soon after engine start the unloaders will de-energize (load) as required.
  • Page 101 14.High Speed Pulldown. DTT, the unit will go into low speed and all electric heaters will be de-energized. The unit will remain in When the set point is in the perishable range, and the defrost with the heaters de-energized until the return unit is operating in Continuous Run, and the High Speed air temperature is less than 90°F (32°C).
  • Page 102 SECTION 5 − MICROPROCESSOR INTERFACE PARAGRAPH NUMBER Page INTERFACE METHODS ............5−1 TECHNICIAN INTERFACE .
  • Page 103 SECTION 5 MICROPROCESSOR INTERFACE 5.1 INTERFACE METHODS service the refrigeration system. To place the microprocessor in the Technicians Interface Mode: There are five methods for interfacing with the Advance a. Place the Main Power switch in the OFF position. microprocessor; b.
  • Page 104 5.2.1 Configuration Mode a. Enter the Technician Interface - Component Test Mode as described in Section 5.2. a. Enter the Technician Interface - Configuration Mode as described in Section 5.2. b. To read through the Component Test list, press either the UP or DOWN ARROW keys.
  • Page 105 Table 5−1 Component Test Component / Menu List MessageCenter Board Green Light LIGHT OFF IN X MINS 7 & 14 Amber Light LIGHT OFF IN X MINS 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)
  • Page 106 PC cards should be kept in a hard plastic jewel case 5.4 PC CARDS when not in use. Replacement cases P/N 58-50109-00 PC Cards that are available include Program Cards, are available from Carrier Transicold’s Performance Configuration Cards, Option Cards and Download Parts Group. 62-11389...
  • Page 107 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.
  • Page 109 a. ReeferManager NOTE Beginning with Reefer Manger 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 RS-232 supported for communication between the PC connection) the current status of the microprocessor and the Download connector.
  • Page 110 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 Date and Time. S ID Number. Grounded wrist cuffs are available from Carrier (P/N 07-00304-00). These should be worn whenever han- a. If possible, power the original microprocessor up, by dling a microprocessor.
  • Page 112 5.7.3 Microprocessor Setup i. Using the same key presses as in step g., continue to enter the correct numerical value for the Day, Year, a. Ensure that the replacement microprocessor is in Hour and Minute. Hours are displayed and entered place, all wires connected and the negative battery as a 24 hour clock.
  • Page 113 2. After the unit specific and time sensitive Section 5.5 step c.). You will need ReeferManager configuration settings are complete use the version 03.08.00 or higher. DOWN ARROW keys until NOTE “CONFIGS COMPLETE, = TO EXIT” is displayed in the MessageCenter. Press the ReeferManager 03.08.00 is REQUIRED in or- = key to save.
  • Page 114: Microprocessor Configurations

    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 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 YES / NO YES = When the A39 - “CHECK ENGINE RPM” alarm is activated the alarm light will illuminate and the engine will shutdown. RPM ALARM SHUTDOWN: NO = When When the A39 - “CHECK ENGINE RPM”...
  • Page 116 Table 5−2 Microprocessor Configurations - Continued Configuration Selections Description 12.2V The engine will restart from a Start-Stop Off cycle 12.0 TO 12.8V or a Sleep Mode Off cycle when the battery drops to this value. A lower selection may result in a longer off cycle VOLTAGE FOR S/S RESTART (based on battery voltage) and possibly overall shorter battery life.
  • Page 117 Table 5−2 Microprocessor Configurations - Continued Configuration Selections Description NO DEVICE NO DEVICE = There is no fuel level sensor installed in the fuel tank. SWITCH INSTALLED SWITCH INSTALLED = A low fuel level switch is installed in the fuel tank. 0-5 VDC 0-5 VDC = An older style low fuel level sensor 0.25-4.75 VDC...
  • Page 118 Table 5−2 Microprocessor Configurations - Continued Configuration Selections Description YES / NO YES = This hour meter will be displayed during the startup messaging sequence and will be in hour meter menu. DISPLAY STANDBY RUN HR NO = This hour meter will not be displayed during the startup messaging sequence.
  • Page 119 Table 5−2 Microprocessor Configurations - Continued 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 When the meter is reset, the value selected here for those meters that are con-...
  • Page 120 Table 5−2 Microprocessor Configurations - Continued SS PRODUCTSHIELD ECONO OFF or OFF = There is no lower limit for this parameter. -20°F to +119.0°F MIN TEMP Select the lowest ambient temperature desired to (-28.9°C to activate ProductShield Econo. +48.4°C ) If ProductShield Econo is Go To Continuous there (in 0.5°...
  • Page 121 Table 5−2. Microprocessor Configurations - Continued Configuration Selections Description OFF = If both Range Locks are OFF, the unit will operate normally. START-STOP If either Range 1 or Range 2 is not OFF, the unit CONTINUOUS will operate as selected whenever the set point is within that range RANGE 1 LOCK START-STOP = The unit will always operate in...
  • Page 122 Table 5−2. Microprocessor Configurations - Continued Configuration Selections Description SWITCH NOT SWITCH NOT INSTALLED = There is no door INSTALLED switch. DOOR OPEN DOOR OPEN SWITCH OPEN = A Door switch has DOOR SWITCH SWITCH OPEN been installed. The switch contacts will be OPEN whenever the door is OPEN.
  • Page 123 Table 5−2. Microprocessor Configurations - Continued Configuration Selections Description REMS1 (Remote Switch 1) NOT INSTALLED Switch not installed = There is no remote switch or panel. DOOR OPEN SWITCH OPEN DOOR OPEN SWITCH OPEN = The remote switch REMS2 (Remote Switch 2) will be used as a door switch.
  • Page 124 Table 5−2. Microprocessor Configurations - Continued Configuration Selections Description YES / NO YES = Natural defrost will be allowed NO = Natural defrost will not be allowed NATURAL DEFROST Refer to Section 4.6 for more information on natural defrost) NOT DISPLAYED = set point will not be shown with NOT DISPLAYED a decimal.
  • Page 125 Table 5−2. Microprocessor Configurations - Continued Configuration Selections Description S RAIL OVERRIDE RESTARTS: 1-20 With the default setting the microprocessor is al- lowed to override and clear the A30 - “FAILED TO RUN MIN TIME” or A31 - “FAILED TO START - AUTO alarm(s) three consecutive times before the override is locked out and no further restart at- tempts will be allowed until the alarm(s) are cleared...
  • Page 126 SECTION 6 − MESSAGECENTER PARAGRAPH NUMBER Page MESSAGECENTER MESSAGES ..........6−1 62−11389...
  • 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 HOURS ERROR: HI SP HRS >...
  • Page 130 MessageCenter MESSAGES - Continued Message Description MICRO WILL STOP IN XXX SECONDS The Main Power switch has been placed in the OFF position and the system valves are closing. The display will turn off when the count down reaches zero. MIN SETPOINT HAS BEEN REACHED Minimum Set Point allowed by configuration settings has been reached.
  • Page 131 MessageCenter MESSAGES - Continued Message Description PRETRIP FAIL & COMPLETED The Pretrip test is completed, and some of the Pretrip tests did not pass. Check the Alarm List for Pretrip alarms. PRETRIP FAIL IN TEST XX Some of the Pretrip tests did not pass and the Pretrip was not com- pleted.
  • Page 132 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 133 SECTION 7 − ALARM TROUBLESHOOTING PARAGRAPH NUMBER Page INTRODUCTION ..............7−1 NOTES .
  • Page 134 SECTION 7 ALARM TROUBLESHOOTING problem is not obvious, this troubleshooting guide will be WARNING of assistance. Troubleshooting should begin with the first alarm that Advance microprocessor equipped units appears in the active alarm list. The first alarm that may start automatically at any time the Main appears is the last alarm that was recorded.
  • Page 135 7.2 NOTES switch labeled STANDBY/ENGINE (DES) in the STANDBY position and then place the Note 1 The active alarm list may be cleared by 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 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. •...
  • Page 137: Shutdown Alarms

    Alarm Steps Alarm/Cause Corrective Action 7.4 SHUTDOWN ALARMS 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 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 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.) b Check voltage at the sensor con- Voltage reading should be 2.5 $ 0.1 VDC.
  • Page 140 Alarm Steps Alarm/Cause Corrective Action 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. Standby Operation: Refrigeration system shutdown and alarm with PSCON still energized.
  • Page 141 Alarm Steps Alarm/Cause Corrective Action 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 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 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 HIGH COMP DISCHARGE TEMP • TRIGGER–ON: Discharge sensor alarm not active AND: Ambient temp below 120°F (48.9°C) and discharge temp was between 310 and - 349°F (154.4 to - 176.7°C) for 3 minutes, or Ambient temp above 120°F (48.9°C) and discharge temp was between 340 and - 349°F (171.1 and - 176.7°C) for 3 minutes, or Discharge temp ever reaches 350°F (176.7°C.) •...
  • Page 145 Alarm Steps Alarm/Cause Corrective Action 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 Shut- down Delay Configuration has expired since UL1 was energized (Note: The MessageCenter does not display in.Hg.
  • Page 146 Alarm Steps Alarm/Cause Corrective Action LOW REFRIGERANT PRESSURE - Continued Check Evaporator Sections a. Check evaporator section, return Good Air Flow. air bulkhead, air chute & cleanli- Return air not restricted. ness of evap. coil. Air chute in good condition. No damage to evaporator fan motor assemblies.
  • Page 147 Alarm Steps Alarm/Cause Corrective Action 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 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 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 LOW SUCTION SUPERHEAT - Continued Check Compressor Suction Temperature (CST) and Evaporator Outlet Temperature (Cont’d) (EVOT) sensors - Continued. e. Inspect EVOT & connector. No damage to sensor. No damage, moisture, or corrosion in connector. f.
  • Page 151 Alarm Steps Alarm/Cause Corrective Action 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 DRAW Engine High / Low Speed, Standby Cool or Pretrip Engine High Speed Heat Engine Low Speed or Standby Heat Engine High Speed Defrost (With heaters energized)
  • Page 152 Alarm Steps Alarm/Cause Corrective Action A/C CURRENT OVER LIMIT - Continued Check High Voltage Components Amp Draw a. Check condenser fan amp draw on These checks must be made with the unit operating. all legs. (CDCON) WARNING b. Check evaporator fan motor amp draw on all 3 legs (1EVCON) Caution and good electrical practices must be used when working around and with...
  • Page 153 Alarm Steps Alarm/Cause Corrective Action 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 154 Alarm Steps Alarm/Cause Corrective Action 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 155: Start Up/Engine Alarms

    Alarm Steps Alarm/Cause Corrective Action 7.5 START UP / ENGINE ALARMS 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 156 Alarm Steps Alarm/Cause Corrective Action 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 157 Alarm Steps Alarm/Cause Corrective Action 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 158 Alarm Steps Alarm/Cause Corrective Action 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 159 Alarm Steps Alarm/Cause Corrective Action CHECK STARTER CIRCUIT • TRIGGER–ON: Engine speed fails to reach 50 RPM during 2 start attempts. • UNIT CONTROL: Engine Operation: engine and unit shutdown and alarm. Standby Operation: this alarm will not activate in standby Operation. •...
  • Page 160 Alarm Steps Alarm/Cause Corrective Action CHECK COOLANT TEMPERATURE • TRIGGER–ON: Coolant temperature is below 32°F (0°C) after the engine has been running for 5 minutes. • UNIT CONTROL: Engine Operation: alarm only. Standby Operation: this alarm will not activate in standby Operation. •...
  • Page 161 Alarm Steps Alarm/Cause Corrective Action 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 162 Alarm Steps Alarm/Cause Corrective Action 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 163 Alarm Steps Alarm/Cause Corrective Action CHECK HIGH SPEED RPM - Continued Check Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. b. Compare actual RPM with those Both readings within ± 50 RPM. shown on display. Check Engine Air–Intake System a.
  • Page 164 Alarm Steps Alarm/Cause Corrective Action 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 165 Alarm Steps Alarm/Cause Corrective Action CHECK ENGINE RPM - Continued Check Low Speed Engine RPM a. Check actual engine RPM using Refer to Table 2-1. hand held tachometer. b. Compare actual RPM with those Both readings within ± 50 RPM. shown on display.
  • Page 166 Alarm Steps Alarm/Cause Corrective Action CHECK GLOW PLUGS (This alarm applies to the Intake 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 167 Alarm Steps Alarm/Cause Corrective Action 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 168 Alarm Steps Alarm/Cause Corrective Action 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 169 Alarm Steps Alarm/Cause Corrective Action 7.6 WARNING / STATUS ALARMS 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 170 Alarm Steps Alarm/Cause Corrective Action BOX TEMP OUT OF RANGE • 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 171 Alarm Steps Alarm/Cause Corrective Action 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 172 Alarm Steps Alarm/Cause Corrective Action 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 173 Alarm Steps Alarm/Cause Corrective Action 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 174 Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 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 175 Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 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 176 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.) 62-11389 7−43...
  • Page 177 Alarm Steps Alarm/Cause Corrective Action 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 178 Alarm Steps Alarm/Cause Corrective Action 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 179: Electrical Alarms

    Alarm Steps Alarm/Cause Corrective Action 7.7 ELECTRICAL ALARMS 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 180 Alarm Steps Alarm/Cause Corrective Action 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” Functional Parameter is set to “No” or the “NO POWER SWITCH TO DIESEL”...
  • Page 181 Alarm Steps Alarm/Cause Corrective Action 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 182 Alarm Steps Alarm/Cause Corrective Action 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 183 Alarm Steps Alarm/Cause Corrective Action 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 184 Alarm Steps Alarm/Cause Corrective Action 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 185 Alarm Steps Alarm/Cause Corrective Action 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 186 Alarm Steps Alarm/Cause Corrective Action CHECK REMOTE ALARM LIGHT • TRIGGER–ON: The fault output circuit (amber “check unit” LED’s) to the light bar is shorted. (This output [3MP19] from the microprocessor is negative, so the circuit will not be shorted to ground, but is shorted either within the remote alarm light itself, or to a positive wire.) •...
  • Page 187 Alarm Steps Alarm/Cause Corrective Action 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 188 Alarm Steps Alarm/Cause Corrective Action 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 189 Alarm Steps Alarm/Cause Corrective Action CHECK REMOTE AUTO LIGHT (Light Bar) • TRIGGER–ON: The normal operation output circuit (green “Status OK” light) 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 190 Alarm Steps Alarm/Cause Corrective Action 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 191 Alarm Steps Alarm/Cause Corrective Action 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 192 Alarm Steps Alarm/Cause Corrective Action 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 193 Alarm Steps Alarm/Cause Corrective Action 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 194 Alarm Steps Alarm/Cause Corrective Action 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. • 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 195 Alarm Steps Alarm/Cause Corrective Action 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 196 Alarm Steps Alarm/Cause Corrective Action 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 197 Alarm Steps Alarm/Cause Corrective Action 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 198 Alarm Steps Alarm/Cause Corrective Action 7.8 SENSOR ALARMS 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 199 Alarm Steps Alarm/Cause Corrective Action 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 set point is in the perishable range: alarm and shutdown.
  • Page 200 Alarm Steps Alarm/Cause Corrective Action 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 set point for is in the perishable range: alarm only and switch to return air control.
  • Page 201 Alarm Steps Alarm/Cause Corrective Action 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 202 Alarm Steps Alarm/Cause Corrective Action 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 203 Alarm Steps Alarm/Cause Corrective Action 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 204 Alarm Steps Alarm/Cause Corrective Action 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 205 Alarm Steps Alarm/Cause Corrective Action 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 206 Alarm Steps Alarm/Cause Corrective Action 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 207 Alarm Steps Alarm/Cause Corrective Action CHECK REMOTE TEMP SENSOR 1 CHECK REMOTE TEMP SENSOR 2 CHECK REMOTE TEMP SENSOR 3 • TRIGGER–ON: Remote Temperature Sensor (REMSN1, REMSN2 or REMSN3) is not within the range of -53 to +158°F (-47 to +70°C.) •...
  • Page 208: Pretrip Alarms

    Alarm Steps Alarm/Cause Corrective Action 7.9 PRETRIP ALARMS P141 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 209 Alarm Steps Alarm/Cause Corrective Action P145 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 210 Alarm Steps Alarm/Cause Corrective Action P151 CHECK GLOW PLUG CIRCUIT (This applies to the Intake Air Heater) • TRIGGER–ON: Normal Amps for the Intake Air Heater Circuit is 23 to 75 Amps after 15 seconds. The circuit tests outside this range. •...
  • Page 211 Alarm Steps Alarm/Cause Corrective Action P153 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 212 Alarm Steps Alarm/Cause Corrective Action P157 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 213 Alarm Steps Alarm/Cause Corrective Action P159 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°0 C.) • UNIT CONTROL: Engine and Standby Operation: Pretrip will fail and display “PRETRIP FAIL AND COMPLETED”.
  • Page 214 Alarm Steps Alarm/Cause Corrective Action P174 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 215 Alarm Steps Alarm/Cause Corrective Action P175 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 216 Alarm Steps Alarm/Cause Corrective Action P175 CHECK HIGH SPEED RPM - Continued Check engine air-intake system a. Check air cleaner 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 217 Alarm Steps Alarm/Cause Corrective Action P177 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 218 Alarm Steps Alarm/Cause Corrective Action P178 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 219 (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 220 Alarm Steps Alarm/Cause Corrective Action P186 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 221 Alarm Steps Alarm/Cause Corrective Action P187 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 2.11 for all Heat, use a clamp on ammeter to three legs.
  • Page 222 Alarm Steps Alarm/Cause Corrective Action P188 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 223 Alarm Steps Alarm/Cause Corrective Action P188 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 2.11 for all pull up in, use a clamp on ammeter three legs.
  • Page 224 Alarm Steps Alarm/Cause Corrective Action P189 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 225 Alarm Steps Alarm/Cause Corrective Action P189 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 2.11 for all or COOL use a clamp on ammeter three legs.
  • Page 226 Alarm Steps Alarm/Cause Corrective Action P190 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 227 Alarm Steps Alarm/Cause Corrective Action P191 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 228 Alarm Steps Alarm/Cause Corrective Action P206 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 229 Alarm Steps Alarm/Cause Corrective Action P208 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 230 Alarm Steps Alarm/Cause Corrective Action P209 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 231 Alarm Steps Alarm/Cause Corrective Action 7.10 MAINTENANCE ALARMS 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 232 Alarm Steps Alarm/Cause Corrective Action 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 233 Alarm Steps Alarm/Cause Corrective Action 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 234 Alarm Steps Alarm/Cause Corrective Action 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 235 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 236 Alarm Steps Alarm/Cause Corrective Action 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 237 Alarm Steps Alarm/Cause Corrective Action 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 238 Alarm Steps Alarm/Cause Corrective Action 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 239 Alarm Steps Alarm/Cause Corrective Action 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 240 Alarm Steps Alarm/Cause Corrective Action 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 241 Alarm Steps Alarm/Cause Corrective Action 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. Follow the steps below until a problem is found.
  • Page 242 Alarm Steps Alarm/Cause Corrective Action 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 243 SECTION 8 − SERVICE PARAGRAPH NUMBER Page SECTION LAYOUT ............. . . 8−1 SCHEDULED MAINTENANCE .
  • Page 244 8.3 PRE TRIP INSPECTION Unit uses R404A and POE oil. The use of in- 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.
  • Page 245 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 246 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 the evaporator coil and all defrost drain hoses 8.8.1 3 Install manifold gauge set and check refrigerant pressure Check 4 Check manual defrost operation...
  • Page 247 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.
  • Page 248 Table 8−2 Pre Trip Inspection - Continued OPERATE UNIT IN HIGH SPEED COOL AND RECORD (From Microprocessor Unit Data) Suction Pressure Battery Voltage Unit Model # Discharge Pressure Current Draw (DC) Fuel Level* Evaporator Pressure Engine RPM Hrs to Engine Maint Engine Coolant Temp Unit AC Current #1 Hrs to S/B Motor Maint...
  • Page 249 Disconnect the high voltage source and lockout/tagout the recept- Figure 8−2 Surround Removal acle. Attach a grounded wrist strap (Carrier Transicold part number 07-00304-00) and ground it to a good unit frame ground. 8.4.3 Door Latch Maintenance And Replacement 2.
  • Page 250 DETENT NOTCH 1. Display Board 7. Condensate Drain 2. Keypad Support 8. Door 3. Keypad 9. Plug 4. Latch 10. Gasket (Window to Bezel) 5. Spring 11. Window 6. Bezel 12 Gasket (Keypad to Window) Figure 8−4 Display and Keypad Assembly b.
  • Page 251 b. Turn the top of the manual plunger counter-clockwise to unlock it. S-L-O-W-L-Y (up/down once per second) pump the manual plunger until positive pressure (re- sistance) is felt. This may take up to 200 strokes. This will indicate fuel flow. c.
  • Page 252 Screen Cover 2. Gasket 3. Screen Copper Rings Banjo Fitting Figure 8−8 Electric Fuel Pump Figure 8−7 Mechanical Fuel Pump 8.5.5 Fuel Filter To check or replace Screen To replace filter: a. Ensure the unit will not start automatically by dis- a.
  • Page 253 1. Fuel Level Sensor 10. Fuse (FLS = 3A) 2. Gasket 11. White Wire (Connection C) 3. Focus Tube 12. Black Wire (Connection B) 4. Sensor Flange 13. Red Wire (Connection A) 5. Fuel Level Sensor Flange 14. Ground (Shield) 6.
  • Page 254 2 Unscrew the cap/dipstick see Figure 8−10. Wipe the 3 Remove drain plug drain engine oil. Replace plug and dipstick clean and insert the cap into the oil fill tube refill engine with oil. Continue with step c. and change without threading into tube.
  • Page 255 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.
  • Page 256 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 5.
  • Page 257 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.
  • Page 258 2. Start unit in Continuous Run Operation. Adjust set point so that unit is running in high speed, fully loaded and operating in cooling. Run approximately ten min- Â Â Â utes - until the refrigeration system is warmed up and the refrigerated compartment temperature is ap- Â...
  • Page 259 the cylinder. The amount of refrigerant going into the bar slowly open the liquid line service valve slightly cylinder can be monitored by watching the weight of and then frontseat the valve again. Repeat as neces- the cylinder. sary in order to raise the pressure above 0. 9.
  • Page 260 3 If charge is to be added: place cylinder of refrigerant a. Leak Checking a Charged System on a scale and connect a charging line and gauge 1. Ensure the unit will not start automatically by dis- from cylinder to liquid line service valve. Start unit in abling any two way communication and placing the Continuous Operation with a set point lower than re- Main Power switch in the OFF position.
  • Page 261 4 Pressurize the system to 5 to 10 psig (0.3 to 0.7 bar) CAUTION with refrigerant at the liquid line service valve. Do not vapor charge R404A. Only liquid charging through the liquid line service WARNING valve is acceptable. 3. Ensure that the microprocessor MessageCenter dis- Do not use a nitrogen cylinder without a plays “RECOVER/LEAK CHK/EVAC MODE”...
  • Page 262 1. Essential tools to properly evacuate any system include a good vacuum pump Only a refrigerant cylinder containing (5 cfm/8m#H volume displacement, Carrier R404A should be connected to this refriger- Transicold part number 07-00176-11) and a ation unit in order to pressurize the system.
  • Page 263 occurs, switch it back to the “RECOVER/LEAK CHK/ 10. If vacuum holds below 2000 microns continue to EVAC MODE” (Refer to Section 5.2.3) step 12. If vacuum rises above 2000 microns contin- ue to step 11. 10. Purge nitrogen from system at the suction service 11.
  • Page 264 3. Frontseat the liquid line service valve. Shut down the WARNING unit when the suction pressure drops to 2 psig (0.2 bar). Do not unscrew service valve mounting 4. Monitor the gauges. If the receiver pressure drops capscrews all the way before breaking seal. rapidly and the suction and discharge pressures rise Entrapped pressure could result in injury.
  • Page 265 8.7.3 Cylinder Head and Valve Plate Service WARNING Do not unscrew replacement compressor a. Pumpdown the compressor. (Refer to Section 8.6.2.) lifting eyelet/blankoff plate mounting capscrews all the way before breaking seal. b. Ensure the unit will not start automatically by dis- Entrapped pressure could result in injury.
  • Page 266 f. Inspect the parts of the cylinder head and/or the valve plate. 1. Inspect cylinder head gaskets for proper alignment and center web blow-out. 2. Inspect the discharge valves for loose or damaged valve stops, or any debris that may affect the proper operation of the valves.
  • Page 267 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-...
  • Page 268 (both unloader coils de-energized). Note suc- tion pressure. 2 Unplug both unloader coils. 3 Using cable included in the test kit (Carrier Transicold part number 07-50006-00), energize the front unload- er (UL1). Note discharge and suction pressures. A rise of approximately 3 psig (0.2 bar) will be noted on 1.
  • Page 269 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.
  • Page 270 Condenser/Radiator Assembly Ambient Air Temperature Sensor (ATT) Condenser Frame Condenser/Radiator Assembly Mounting Bolts Condenser Coil Radiator Frame Mounting Bolts Radiator Radiator Mounting Brackets Radiator Frame Condenser Coil Mounting Brackets Figure 8−25 Condenser/Radiator Assembly 8.8.2 Condenser Coil 1. Remove the refrigerant charge. Refer to Section 8.6.2.
  • Page 271 10.Separate the radiator (4) from the condenser/radiat- d. Leak check, evacuate and charge the system. Refer or assembly by removing the top and bottom radiator to Sections 8.6.3, 8.6.4 & 8.6.2. mounting brackets (9). Set radiator aside. 8.8.5 Compressor Suction Modulation Valve (CSMV)
  • Page 272 100% open when received from the warehouse. This is to ensure the Teflon valve seal 1. To test with a stepper motor drive tester (Carrier is not damaged when it is installed. Ensure the valve...
  • Page 273 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.
  • Page 274 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.
  • Page 275 NOTE b. To check the defrost air switch, run unit in cooling and Use a hand aspirator (Carrier Transicold part jumper across the air switch terminals. This will start number 07-00177-01), since blowing into tube the defrost cycle as it simulates the action of the de- by mouth may cause an incorrect reading.
  • Page 276 Figure 8−32 Megohmmeter Connection to Ground Plate Heater contactor 1 (1HTCON1) Condenser motor contactor (CDCON) Evaporator motor contactor (1EVCON) c. Connect the remaining lead to the red wire at the T1 Power supply contactor (PSCON) terminal of power supply contactor 1 (PSCON) See Power supply contactor 2 (PSCON2) Figure 8−33 Generator contactor (GENCON)
  • Page 277 b. Check for 12 VDC to the +12V from the switch. If re- “OVERLOAD/GROUND FAULT” alarm and illuminates quired, correct wiring. the OGF mounted fault LED. b. OGF Checkout Procedure c. Check for ground at the PRM OV terminal. If required, correct wiring.
  • Page 278 c. To determine which heater assembly needs to be re- NOTE: placed , disconnect the suspect heater assembly and The blower motor bearings are factory sealed check pin to pin resistance. For heater resistance and do not require additional grease. refer to Section 2.11.
  • Page 279 g. To remove the fan, loosen the nut holding the blade to the lower right hand leg of the welded support. See the motor shaft using impact gun. Figure 8−37 c. Remove the condenser fan assembly mounting bolts h. To remove motor remove four bolts that hold motor to and slide the assembly out of unit.
  • Page 280 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 test.
  • Page 281 b. Generator Removal 1. Ensure the unit will not start automatically by dis- abling any two way communication and placing the Main Power switch in the OFF position. Disconnect the high voltage source and lockout/tagout the re- ceptacle. 5. Unbolt snubber. Unplug the ENSCU. 2.
  • Page 282 NOTE: DO NOT use 6mm bolts to drive the fan off. CAUTION A mica shim (Carrier Transicold part num- 19.Install the lifting tool (Carrier Transicold part number ber 54-00630-25) must be installed before 07-60085-01). removal of the generator. The generator is 20.Remove the remaining stator bolts.
  • Page 283 c. Generator Assembly Procedure 4. Locate two screw holes on the face of the crankshaft which are approximately 0.5 in (12.7mm) apart. See Figure 8−39, all other screw holes are approximately 0.75 in (19mm) apart. 5. Assemble two guide rods (CTD P/N SKM-5671) into the two holes on the crankshaft located in the pre- vious step.
  • Page 284 14.Remove the mica shim that is between the stator and 19.Torque the stator mounting screws to 33-37 foot the rotor. pounds (44.8Nm to 50.1 Nm). NOTE 15.Install the fan onto the rotor. Mark each stator screw after it is torqued to NOTE ensure that all the screws are torqued.
  • Page 285 Table 8−5 Sensor Resistance Sensors AAT, 1RAT, 1SAT, ENCT, EVOT, CST, 1DTT, REMSN 1 & 2 °F Ohms °F Ohms °F Ohms °F Ohms 336,500 -7.8 49,060 24.4 10,250 56.7 2,809 -38.9 312,600 -6.7 46,230 25.6 9,760 57.8 2,697 -37.8 290,600 -5.6 43,580...
  • Page 286 Table 8−6 Sensor Resistance (CDT) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 3,360,000 325,860 40.0 53,330 101.7 215 6,510 -38.9 3,121,020 307,970 41.1 51,010 104.4 220 6,000 -37.8 2,900,710 291,180 42.2 48,800 107.2 225 5,540 -36.7 2,697,500 275,410...
  • Page 287 Table 8−7 Temperature Pressure Chart Temperature Pressure Temperature Pressure PSIG PSIG 72.5 75.6 78.8 12.9 82.1 16.3 85.5 17.7 89.0 92.5 19.2 96.2 20.7 99.9 22.3 23.9 103.7 25.6 115.4 1.88 27.3 126.1 29.1 137.4 30.9 10.3 149.4 32.8 11.2 162.1 34.8 12.1...
  • Page 288 SECTION 9 − UNIT TROUBLESHOOTING PARAGRAPH NUMBER Page ENGINE ............... . . 9−1 9.1.1 Engine Will Not Start .
  • Page 289 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 290 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.
  • Page 291 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...
  • Page 292 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 293 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 set point Unit fails to stop cooling Check whether microprocessor Microprocessor improperly set is set at °C or °F 9.4.5 Unit Will Not Heat Or Has Insufficient Heating...
  • Page 294 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...
  • Page 295 Indication/Trouble Possible Causes Action/Refer- ence Section 9.4.11 Evaporator Expansion Valve (EVXV) Malfunction Low refrigerant charge 8.6.2 EVOT defective 8.9.10 EVOP defective 8.8.8 Coil not seated properly on valve Check EVXV not controlling correctly EVXV inlet screen plugged Check and Re- place Loose connector Check and...
  • Page 296 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...
  • Page 297 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 &...
  • Page 298 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...
  • Page 299 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.
  • Page 300 START HERE With the Main Power switch ON and the ENSCU wire 13 removed from the connector (connector Check voltage output at plugged in), check voltage Replace ENSCU. Did you alternator. Is voltage 26 at ENSCU terminal 13. Is find and correct the condition? voltage 26 VDC or higher? VDC or higher? NOTE: With connector...
  • Page 301 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...
  • Page 302 Main Power switch ON and Check voltage waiting 2minutes for the display www.transcentral. 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.
  • Page 303 START HERE Wrong Chart. The unit See Condition 1. starts & runs. 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.
  • Page 304 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.
  • Page 305 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.
  • Page 306 START HERE Is the unit operating in defrost? Unit may be running old software. Upgrade software from 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...
  • Page 307 START HERE What does the “NOT CONNECTED” ReeferManager program “CONNECTION OK” 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.
  • Page 308 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.
  • Page 309 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 310 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 311 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 18 (7)
  • Page 312 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) REMSN-C SLP-C (GND) 5 (13)(17) (29) CSMV-D 8 (19) (20) (32) SLP-E 13 (5) (17) (29) EVXV-B (DP16-K)
  • Page 313 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 PSCONR-2 CDCON-A1 BUZZER - GENCONR-2 IAHR-85 CT BROWN/OGF BROWN SSR-85 (SP54) Unused terminals: 3, 5, 6, 11, 12...
  • Page 314 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 315 10.1 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED ENGINE/OFF/ STANDBY (Continued) HC Plug Component Terminal OGF-OV/1MP15 MPQC-3/ENSCU-16 MPQC-1/BTY+ MPQC4/SP3 SP52/J1-A SSR-87/SS SP60/CCON-IPC IAHR-87/IAH SP57/GND-1 FHR-5/FHTS DOES-1/J1-B SP52/SP5 SP61/2MP26 Unused terminals: 5, 6, 10,12 & 13 10−5 62-11389...
  • Page 316 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 18 (7) CST (SP14) 19 (10)
  • Page 317 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) CSMV-D 8 (19) (20) (32) SLP-E 13 (5) (17) (29) EVXV-B (DP16-K)
  • Page 318 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 (DES-B & PRM +12V) SP55 (1HTCON1-A1 & PRM-OUT+ 1HTCON2-A1) PSCONR-2 CCONR-2 BUZZER - CDCON-A1 GPR-85 GENCONR-2...
  • Page 319 10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN-OFF (Continued) DP16 ENSCU Component Terminal 1DTT 1DTT Component Terminal 1SAT 2MP-18 1SAT FSA-1 EVOT ESSN-S EVOT 1RAT HC-2 1RAT STARTER MOTOR EVXV-A SP6 (GND) EVXV-B EVXV-C ENSSN-12V EVXV-D FSA-2 EVXV-E...
  • Page 320 10.2 HARNESS PLUG WIRING FOR UNITS WITH A MAIN POWER SWITCH LABELED START/RUN-OFF (Continued) HC Plug (Control Box Side) Component Terminal OGF-OV/1MP15 MPQC-3/ENSCU-16 MPQC-1/BTY+ MPQC4/SP3 SP52/OC-B SSR-87/SS SP60/IP-C F5-B/BTY+ GPR-87/IAH SP57/SP6 SP50/SP43 RS-B/SP4 SP52/SP5 SP61/2MP26 Unused terminals: 5, 6,9, 10 & 13 62-11389 10−10...
  • Page 321 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 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 F9-B OGF - +12V...
  • Page 322 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 5MP-2 HC-16 PRM - +12V GPR-30 DES-B F6-A HC-15 SSR-30 MPQC-2 F9-A PRM-OV BUZZER + CCON-A2 5MP-1 GENCONR-3 OGF - +12V...
  • Page 323 10.5 DISPLAY TEST POINTS NOTE Refer to Section 5.6 for microprocessor and display diagnostic procedures Color Description Test Point 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 324 VECTOR 6500 With Main Power Switch labeled ENGINE−OFF−STANDBY BASED ON 62−11580 ART2−S2−REVD...
  • Page 325 SUPPLY AIR TEMPERATURE, EVAP 1 SATCOM SATELLITE COMMUNICATION (OPTIONAL) SERIAL PORT STARTER MOTOR SPEED RELAY STARTER SOLENOID STARTER SOLENOID CONTACTOR STARTER SOLENOID RELAY UL1,2 UNLOADER FRONT, REAR VECTOR 6500 With Main Power Switch labeled START/RUN − OFF BASED ON 62−11451 ART2−S2−REVD...
  • Page 326 INDEX Compressor, Repair or Replacement Determination, 8−20 Compressor, Valve Plate, 8−22 Air Cleaner, 2−7, 8−11 Configuration Mode, 5−2 Air Cleaner Service Indicator, 2−7, 8−11 Configurations, Microprocessor, 5−12 Air System, Engine, 2−7 Configurations, Start−Stop, 4−3 Alarms, Driver/Operator, 7−3 Controls, Engine , 2−7 Alarms, Electrical, 7−46 coolant, capacity, 2−16 Alarms, Maintenance, 7−98...
  • Page 327 INDEX − Continued Leak Checking, Compressor, 8−18 Leak Checking, System Without Charge, 8−17 Fan, Condenser, 8−36 Leak Checking, With Low Side Pumped Down, 8−18 Filter Drier, 2−10 Light Bar, 2−15, 8−34 Filter Drier, Checking, 8−28 lockout/tagout, 1−1 Filter Drier, Replacement, 8−28 Filter, Engine Oil, 8−10 Filter, Fuel, 8−9 Frozen Range, 4−3...
  • Page 328 INDEX − Continued Self Test, 3−4 Sensor, Ambient Air Temperature, 2−10 Parameters, Functional , 3−21 Sensor, Compressor Discharge Temperature, 2−9 Parameters, Re−Start, 4−5 Sensor, Compressor Suction Temperature, 2−10 Parameters, Stop, 4−4 Sensor, Defrost Termination Temperature, 2−10 PC Cards, 5−4 Sensor, Engine Coolant Temperature, 2−7 PC Cards, Configuration, 5−6 Sensor, Engine Oil Level, 2−7 PC Cards, Download, 5−6...
  • Page 329 INDEX − Continued Unloader, Coil Replacement , 8−25 Unloader, Replacing Internal Parts, 8−26 Technician Interface, 5−1 Unloader, Valve Replacement, 8−26 Temperature Control, 4−2, 9−4 Unloaders, 2−7 Temperature Determination, 4−2 Temperature Range Lock, 4−10 Transducer, Compressor Suction Pressure, 2−9 Valve, Compressor Suction Modulation, 2−10, 8−28 Transducer, Discharge Pressure, 2−9 Valve, Electronic Expansion, 2−10, 8−29 Transducer, Evaporator Outlet Pressure, 2−10...
  • Page 330 11570 Mexico, D.F. Fax: 1−706−355−5435 P.O. Box 4805 Tel: (5255) 9126.0300 Syracuse, N.Y. 13221 U.S A Fax: (5255) 9126.0373 www.carrier.transicold.com A member of the United Technologies Corporation family. Stock symbol UTX ©2011 Carrier Corporation D Printed in U. S. A. 0611...

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