Carrier TRANSICOLD VECTOR 8500 Operation & Service Manual

Carrier TRANSICOLD VECTOR 8500 Operation & Service Manual

Single-temp trailer and rail refrigeration units
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Trailer & Rail Refrigeration
EVOT EVOP
EVAPORATOR
MM
EVXV
DISTRIBUTOR
OPERATION & SERVICE MANUAL
For The
VECTOR 8500
Single-Temp Trailer and Rail Refrigeration Units
62-11640 Rev B Change 09/14

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Summary of Contents for Carrier TRANSICOLD VECTOR 8500

  • Page 1 Trailer & Rail Refrigeration EVOT EVOP EVAPORATOR EVXV DISTRIBUTOR OPERATION & SERVICE MANUAL For The VECTOR 8500 Single-Temp Trailer and Rail Refrigeration Units 62-11640 Rev B Change 09/14...
  • Page 2 OPERATION & SERVICE MANUAL For The VECTOR 8500 Single-Temp Trailer and Rail Refrigeration Units © Carrier Corporation, 2014 Printed in U. S. A. September 2014...
  • Page 3 TABLE OF CONTENTS PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ............. . . 1–1 SAFETY PRECAUTIONS .
  • Page 4: Table Of Contents

    SYSTEM OPERATING CONTROLS AND COMPONENTS ......2–9 2.5.1 Automatic Start-Stop ............2–9 2.5.2 Special Features .
  • Page 5 3.10 DATA RECORDER ............3–14 3.10.1 Control System Information .
  • Page 6 a. Defrost based on coil condition ..........4–8 b.
  • Page 7 ALARMS ..............7–3 00001 LOW FUEL LEVEL WARNING.
  • Page 8 00100 OVERLOAD/GROUND FAULT ..........7–49 00109 CHECK 1EVCON COIL.
  • Page 9 00226 SERVICE SOON-PM #1 DUE ..........7–78 00227 SERVICE SOON-PM #2 DUE .
  • Page 10 24101 SENSOR INPUT VOLTAGE LOW CCB1 ........7–110 24102 SENSOR INPUT VOLTAGE HIGH CCB1 .
  • Page 11 b. To Change Engine Oil: ..........8–11 c.
  • Page 12 b. Diagnostics - Stepper Motor ..........8–28 c.
  • Page 13 REFRIGERATION / TEMPERATURE CONTROL ........9–5 9.4.1 Unit Will Not Cool .
  • Page 14 LIST OF ILLUSTRATIONS FIGURE NUMBER Page Figure 1.1 Lockout/Tagout ............. . . 1–2 Figure 2.1 Front View - Refrigeration System Components .
  • Page 15 Figure 8.15 Water Pump V-Belt ............8–14 Figure 8.16 Engine Crankcase Breather .
  • 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 PARAGRAPH NUMBER Page SAFETY PRECAUTIONS ............1–1 SPECIFIC WARNING, CAUTION, AND NOTICE STATEMENTS .
  • Page 18 Under nor- mal operating conditions, the coolant in the engine and Your Carrier Transicold refrigeration unit has been radiator is under high pressure and is very hot. Contact designed with the safety of the operator in mind. During with hot coolant can cause severe burns.
  • Page 19: Figure 1.1 Lockout/Tagout

    Figure 1.1 Lockout/Tagout WARNING APX control system equipped units may s t a r t a u t o m a t i c a l l y a t a n y t i m e t h e START/ RUN−OFF switch (SROS) is in the START/ RUN position.
  • Page 20 WARNING WARNING When performing service or maintenance Disconnect batteries before doing any procedures: ensure any two way commu- electrical welding on unit or chassis to nication is disabled in accordance with which unit is attached (trailer, container, the manufacturer’s instruction, ensure rail car, metal building, etc).
  • Page 21 WARNING failure of circuit. A mica shim (Carrier Transicold part number 54−00630−25) must be installed before removal of the generator. The gen- erator is to be removed as one piece, with Under no circumstances should a techni- the shim in place.
  • Page 22 0 psig. Never operate the compres- tory for all Carrier Transicold refrigera- sor with the suction or discharge service tion units; otherwise compressor failure valves closed (frontseated). Internal dam- will occur.
  • Page 23 SAFETY DECALS 62-11640 1–6...
  • Page 24 62-03958 1–7 62-11640...
  • Page 25 62-11640 1–8...
  • Page 26 1–9 62-11640...
  • Page 27 62-11640 1–10...
  • Page 28: Figure 2.8 Light Bar

    SECTION 2 - UNIT DESCRIPTION PARAGRAPH NUMBER Page INTRODUCTION ............. 2–1 GENERAL DESCRIPTION .
  • Page 29: Table 2-1 Model Chart

    (Figure 2.2) within very close limits. Table 2–1 Model Chart Model R-404A Compressor Engine Engine Speed Vector 8500 NDK LB 14 Scroll V2203L-DI-EF01e High 1800 KG 6.35 Low 1350 Table 2–2 Additional Support Manuals Manual Number Type of Manual...
  • Page 30: Figure 2.1 Front View - Refrigeration System Components

    Figure 2.1 Front View - Refrigeration System Components MOUNT ATT AS SHOWN PARTITION 10,11,12 5,6,7 1. Condenser Fans and Motors (CDM1 & CDM2) 12. Compressor Discharge Pressure Transducer (CDP - located in discharge line) 2. Ambient Air Temperature Sensor (AAT) 13.
  • Page 31: Figure 2.2 Front View - Engine, Control System & Autofresh Components

    Figure 2.2 Front View - Engine, Control System & AutoFresh Components 23,24 19 18 21 20 1. Coolant Bottle 19. Engine Oil Fill & Dipstick 2. Fuel Filter/Heater (FH)/Switch (FHTS) or Fuel 20. Rack Position Sensor (RPS) Head Assembly 21. Engine Oil Drain 3.
  • Page 32: Figure 2.3 Evaporator Section - Grille Removed

    Figure 2.3 Evaporator Section - Grille Removed MOUNT DTT AS SHOWN TUBE SHEET 1. Evaporator Coil 10. High Pressure Air Switch Fitting 2. Evaporator High Temperature Switch* (EVHTS) 11. Drain Pan Heater (HTR1) 3. Supply Air Temperature Sensor (1SAT) 12. Defrost Heaters (HTR1 & 2) 4.
  • Page 33: Figure 2.4 Control And Standby Boxes

    Figure 2.4 Control and Standby Boxes CONTROL BOX STANDBY BOX 1. Condenser Motor Contactor (CDCON1) 13. AC Current Sensor (CT 1, 2, 3) 2. Condenser Motor Contactor (CDCON2) 14. Generator Contactor (GENCON) 3. Evaporator Motor Contactor (1EVCON) 15. Compressor Contactor (CCON) 4.
  • Page 34 (IAT) and a manifold absolute pressure transducer (MAP). These sensors are installed when 2.3.5 Compressor Carrier Transicold factory monitoring of the air system is required. The unit is fitted with a scroll compressor equipped with suction and discharge service valves and an econo- 2.3.3...
  • Page 35: Compressor

    2.3.6 Compressor Switches, Transducers and 2.3.9 Economizer Circuit Sensors The economizer circuit consists of a compact brazed plate heat exchanger (Figure 2.1) and the economizer a. Compressor Discharge Pressure Transducer expansion valve (ECXV). Both are located above the (CDP) compressor. The CDP provides a signal to the control system equiv- In the economized mode, the frozen and pull down alent to pressure leaving the compressor.
  • Page 36: Receiver

    2.3.14 Receiver Automatic evaporator coil defrosting is initiated by either a defrost air switch (DAS − which senses the Liquid refrigerant from the condenser flows into the pressure drop across the coil) or by the control system receiver. The receiver serves as a liquid reservoir when defrost timer.
  • Page 37: System Operating Controls And Components

    • control−box−mounted contactor control boards (CCB1 & CCB2, Figure 2.4) The following additional special features are incorpo- rated into the Carrier Transicold APX control system: • display module (DM, Figure 2.2) • An easy to read LCD display MessageCenter which clearly displays all required information •...
  • Page 38: Main Microprocessor Module

    Figure 2.5 Power Control Module F6 (10 amp) located in the white wire at the AutoFresh air exchange solenoid, just past the harness connector. 1. Fuse (F5 = 30 amp), Power Enable Relay Con- 11. Fuse (F6), AutoFresh Air Exchange Solenoid tact Power Power 2.
  • Page 39: Microprocessor Status Led

    d. Microprocessor Status LED e. Contactor Control Boards Microprocessor activity within the main microprocessor The contactor control boards (1CCB & 2CCB - see Fig- SVM Module or contractor control boards can be deter- 2.4) are slave boards that contain the necessary mined by observing the status LED’s.
  • Page 40: Overload Ground Fault Module (Ogf)

    i. Overload Ground Fault Module (OGF) k. Display Module Keys Figure 2.7 OGF Module ALARM Key ALARM The ALARM key allows viewing of the alarms stored in the system. UP ARROW and DOWN ARROW Keys START‐STOP These keys allow scrolling through the selections presented.
  • Page 41: Remote Switch(Es)

    Figure 2.8 Light Bar 2.6.3 Remote Temperature Sensor The unit is provisioned to connect remote temperature sensors (REMSN1, REMSN2 & REMSN3) through the REM connector to the second contactor control board (2CCB). AMBER The system may be configured to display the sensor reading in the Unit Data and to record the sensor read- ing in the DataLink data recorder.
  • Page 42: Engine Data

    ENGINE DATA Unit Specification Engine Model V2203L−DI−EF01e (26−00135) Rated Power 24.7 hp (18.5 KW) @1800 rpm Displacement 135 in3 (2.2 liters) No. Cylinders NOTE Refer to Table 2–1 for engine speed settings Weight 434 lbs (197 kg) Coolant Capacity 2.9 U.S. gallons (11 liters) - 50/50 mix - never to exceed 60/40. Use Texaco Havoline extended life coolant or any other extended life coolant which is Dexcool approved and has 5/150 (5 years / 150,000 miles) on the label.
  • Page 43: Refrigeration System Data

    REFRIGERATION SYSTEM DATA Unit Specification Defrost Air Switch (DAS) Initiates Defrost: 1.40 +/− .07 inch (35 +/− 1.8 mm) Defrost Timer 1.5h, 3h, 6h, or 12 hours Evaporator High Temperature Opens, on a temperature rise, at 130 +/− 5°F (55 +/− 2.8°C) Closes, on a Switch temperature fall, at 100 +/−...
  • Page 44: 2.11 Component Resistance & Current Draw

    Unit Specification Detail Nominal voltage & frequency 460 vac, 60 hz, 3 phase at High Speed Nominal voltage & frequency 345 vac 45 hz, 3 phase at Low Speed Generator Resistance 0.235 to 0.27 ohms phase to ground 0.47 to 0.54 phase to phase *Precision meter required for testing Output 20.7 KVA @ 0.84 p.f @ 1800 rpm...
  • Page 45: 2.12 Safety Devices

    2.12 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 2.9) the plug will melt, releasing the refrigerant pressure.
  • Page 46: Null Mode

    2.13.3 Null Mode the normally closed liquid injection valve (LIV) will be pulsed or opened as required to allow flow of refrigerant The system will enter null mode during periods where into the economizer line, to cool the compressor. no cooling or heating is required and system is in con- tinuous run.
  • Page 47: Figure 2.10 Refrigeration Circuit Economized Mode

    Figure 2.10 Refrigeration Circuit Economized Mode DISCHARGE FLOW LIQUID FLOW SUCTION FLOW ECONOMIZER LIQUID FLOW EVOT EVOP ECONOMIZER SUCTION FLOW EVAPORATOR EVXV DISTRIBUTOR CONDENSER FUSIBLE PLUG RECEIVER SUBCOOLER FILTER DRIER LIQUID LINE COMPRESSOR SERVICE VALVE DISCHARGE ECONOMIZER SERVICE VALVE CSMV ECXV LIV N/C ECOP...
  • Page 48: Operation

    SECTION 3 - OPERATION PARAGRAPH NUMBER Page DISPLAY ..............3–1 DISPLAY SCREENS .
  • Page 49 SECTION 3 OPERATION DISPLAY WARNING APX control system equipped units may start automatically at any time the START/RUN-OFF switch (SROS) is in the START/RUN position. Also, the unit may be fitted with two way commu- nication equipment that will allow starting of the unit from a remote location even though the switch is in the OFF position.
  • Page 50 DISPLAY SCREENS LCD DISPLAY SCREENS START/STOP DIESEL COOL BOX TEMPERATURE F SETPOINT F STATUS OK Status Bar Box Temperature Setpoint MessageCenter DEFAULT SCREEN START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll INTELLISET PRETRIP HOUR UNIT METERS DATA Operator Message Panel...
  • Page 51 2. The system will display the Carrier Transicold logo, display the default screen, present language selection and the hour meter readings (if configured to do so) along with a test flash of the alarm light and light bar amber LED’s.
  • Page 52 SWITCHING OPERATING STATE If DIESEL is displayed, the unit is in Engine Operation. ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS DEFROST MENU BOX TEMPERATURE F SETPOINT F STATUS OK START/RUN WARNING Do not connect power plug to any electrical outlet without checking that it meets the 460/3/60 and 30 Amp electrical requirements of the unit.
  • Page 53 ENGINE TO ELECTRIC: 1. If the standby electric cable is not already in place, ensure the external power circuit breaker is OFF, and connect the cable to the unit receptacle. 2. Turn the external circuit breaker ON. 3. Press and release the “MENU” key until the “STANDBY” soft key is displayed. 4.
  • Page 54: Intelliset

    IntelliSet name. settings. Factory IntelliSets are available from For example: A load of apples may require setting the your authorized Carrier Transicold Truck/Trailer control system for continuous operation at 35°F (1.7°C) dealer with a defrost every 3 hours while a load of cheese 2.
  • Page 55: Intelliset - Continued

    INTELLISET - Continued 1. With the system powered up (START/RUN-OFF switch in the START/RUN position) or in PC Mode and the default screen displayed, press the “=” key. ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Selections Press Menu Key to Scroll MENU INTELLISET...
  • Page 56: Pretrip

    PRETRIP NOTE Pretrip is a set of tests run by the control system to Pretrip will run until completed, unless an check unit operation. It is recommended that a Pretrip alarm occurs that causes Pretrip to be is run prior to loading the refrigerated compartment. It aborted.
  • Page 57 5. During Pretrip Test 1, verify that the buzzer is energized and the amber light on the light bar is illuminated (if equipped). 6. The remainder of the Pretrip tests will run automatically and take 7 to 15 minutes. The percent of Pretrip that has been completed is displayed in the status bar under the test description information.
  • Page 58 Test 5 - Engine High Speed Test 10 - Check Suction Modulation Valve (CSMV) The engine switches to high speed. The control system This test is run to ensure that the CSMV is opening and verifies that engine is in the high speed range and the closing properly.
  • Page 59: Changing Setpoint

    CHANGING SETPOINT ALARM START/STOP IntelliSets (2 of 7) START/STOP START/STOP DIESEL DIESEL COOL COOL PRETRIP MENU CONTINUOUS IntelliSet Off Start Pretrip Viewing Menu Soft Key DEFROST Banana Active View Results of Last Pretrip Selections Flowers Press Menu Key to Scroll Lettuce MENU Cheese...
  • Page 60: Start-Stop Operation

    START-STOP OPERATION 1 & 3 ALARM START/STOP IntelliSets (2 of 7) START/STOP DIESEL START/STOP DIESEL COOL COOL PRETRIP MENU CONTINUOUS IntelliSet Off Start Pretrip Viewing Menu Soft Key DEFROST Banana Active View Results of Last Pretrip Selections Flowers Press Menu Key to Scroll Lettuce MENU Cheese...
  • Page 61: Continuous Operation

    CONTINUOUS OPERATION 1 & 3 ALARM START/STOP IntelliSets (2 of 7) CONTINUOUS DIESEL START/STOP DIESEL COOL COOL START/STOP DIESEL COOL PRETRIP MENU CONTINUOUS IntelliSet Off Start Pretrip Viewing Menu Soft Key DEFROST Banana Active View Results of Last Pretrip Selections Flowers Press Menu Key to Scroll Lettuce...
  • Page 62: 3.10 Data Recorder

    3.10 DATA RECORDER ings since the last recording based on 1 minute incre- ments. The user can determine which sensor(s) will be The APX control system contains a built-in DataLink recorded, whether snapshot or averaged readings are data recorder with 3 megabytes of memory. The preferred and at what time intervals.
  • Page 63 ALARM DATA RECORDER START/STOP MARK TRIP START START/STOP START/STOP DIESEL DIESEL COOL COOL PRINT TO SCREEN CONTINUOUS Viewing Menu Soft Key PRINT TO PRINTER DEFROST Viewing Menu Soft Key SCREEN SETUP Selections Selections PRINTER SETUP Press Menu Key to Scroll Press Menu Key to Scroll MENU BACK...
  • Page 64: 3.11 Manual Defrost

    3.11 MANUAL DEFROST ALARM START/STOP START/STOP START/STOP DIESEL DIESEL DEFROST COOL CONTINUOUS Viewing Menu Soft Key DEFROST Selections DEFROST Press Menu Key to Scroll MENU SETPOINT F INTELLISET PRETRIP HOUR UNIT METERS DATA DEFROST CYCLE STARTED 1. With the system powered up (START/RUN-OFF switch in the START/RUN position) press the MANUAL DEFROST key.
  • Page 65: 3.12 Language Selection

    3.12 LANGUAGE SELECTION ALARM START/STOP START/STOP START/STOP DIESEL DIESEL COOL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Viewing Menu Soft Key Selections Selections Press Menu Key to Scroll Press Menu Key to Scroll MENU INTELLISET PRETRIP HOUR UNIT LANGUAGE DATA EXIT METERS DATA...
  • Page 66: 3.13 Advanced User

    3.13 ADVANCED USER ALARM START/STOP IntelliSets (2 of 7) START/STOP DIESEL COOL START/STOP DIESEL COOL PRETRIP MENU CONTINUOUS IntelliSet Off Start Pretrip Viewing Menu Soft Key DEFROST Banana Active View Results of Last Pretrip Selections Flowers Press Menu Key to Scroll Lettuce MENU Cheese...
  • Page 67: 3.14 Unit Data

    3.14 UNIT DATA ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Selections Press Menu Key to Scroll MENU INTELLISET PRETRIP HOUR UNIT METERS DATA 1. With the system powered up (START/RUN-OFF switch in the START/RUN position) or in PC Mode, press the MENU key until UNIT DATA is displayed.
  • Page 68: Table 3-1 Unit Data

    Table 3–1 Unit Data DATA DEFINITION ENGINE FUEL LEVEL This is only displayed when the optional sensor is installed and configured YES. Displays % of fuel in tank. BATTERY Battery voltage AMP DRAW Battery charging or discharging amps ENGINE COOLANT TEMP Engine coolant temperature UNIT AC CURRENT #1 (or 2 or 3) High Voltage Current Draw on the numbered circuit...
  • Page 69 Table 3–1 Unit Data DATA DEFINITION MICRO SOFTWARE REVISION Revision of the software that is operating the main microprocessor module DISPLAY SOFTWARE REVISION Revision of the software that is operating the display module REMOTE DISPLAY REVISION Revision of the software that is operating the Remote display (If installed) MAIN MICRO SERIAL # Serial Number of the main microprocessor module INSTALLED OPTIONS (Will display if one or more options installed)
  • Page 70: 3.15 View Active Alarms

    3.15 VIEW ACTIVE ALARMS ALARM START/STOP ACTIVE ALARMS (2 of 5) START/STOP DIESEL COOL CONTINUOUS A00013 High Discharge Pressure Viewing Menu Soft Key DEFROST Selections A00022 Low Suction Superheat Press Menu Key to Scroll A00028 Check Refrig System MENU INTELLISET PRETRIP HOUR UNIT CLEAR...
  • Page 71: 3.16 View Hour Meters

    3.16 VIEW HOUR METERS ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Selections Press Menu Key to Scroll MENU INTELLISET PRETRIP HOUR UNIT METERS DATA 1. With the system powered up (START/RUN-OFF switch in the START/RUN position) or in PC Mode, press the MENU key until HOUR METERS is displayed.
  • Page 72: 3.17 Functional Parameters

    3.17 FUNCTIONAL PARAMETERS ALARM START/STOP START/STOP START/STOP DIESEL DIESEL COOL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Viewing Menu Soft Key Selections Selections Press Menu Key to Scroll Press Menu Key to Scroll MENU INTELLISET PRETRIP HOUR UNIT LANGUAGE DATA FUNCTIONS EXIT METERS...
  • Page 73: Table 3-2 Functional Parameters

    Table 3–2 Functional Parameters FUNCTION PARAMETER DESCRIPTION SELECTIONS NOTES: • Selections in BOLD are the default settings. • Any Function displayed with an asterisk (*) has been locked using the TRU-Tech program and cannot be changed using the display mounted keys. ECONOMY SETTINGS FUEL SAVER (ECO) NO = When in Continuous Operation, control for maximum...
  • Page 74 Table 3–2 Functional Parameters FUNCTION PARAMETER DESCRIPTION SELECTIONS AUTOFRESH AIR CLOSED Closed = AutoFresh Air Exchange assembly will be closed. Open = Assembly will be open if the engine is running and the OPEN setpoint is greater than 28.0°F (-2.22°C). CFM Control = Assembly will be cycled open and closed over CFM CONTROL a 20 minute time period.
  • Page 75: Sleep Mode

    Table 3–2 Functional Parameters FUNCTION PARAMETER DESCRIPTION SELECTIONS MAX OFF TIME: OFF - There is no maximum off time. 10MINS When a minute value is selected, this is the longest amount of time the unit will remain off during a (Perishable or Frozen or 255MINS (in 1 minute in- both) Auto Start/ Stop Off Cycle.
  • Page 76: 3.18 Sleep Mode

    3.18 SLEEP MODE ALARM START/STOP START/STOP START/STOP DIESEL DIESEL COOL COOL CONTINUOUS Viewing Menu Soft Key DEFROST Viewing Menu Soft Key Selections Selections Press Menu Key to Scroll Press Menu Key to Scroll MENU INTELLISET PRETRIP HOUR UNIT LANGUAGE DATA FUNCTIONS EXIT METERS...
  • Page 77 Pressing the = key will allow the user to select the date ured setting. When the unit is running while in Sleep and time the unit is to automatically wake up. The wake Mode, “SLEEP WARNING: NO TEMP CONTROL” will up time must be at least 1 hour and no more than 8 flash in the MessageCenter.
  • Page 78: 3.19 Stopping The Unit

    Carrier units. Instructions for installing this equipment is supplied by WARNING each individual provider, and not by Carrier Transicold. Communications electrical harnesses are available APX control system equipped units may from Carrier Transicold Performance Parts Group start automatically at any time the START/ (PPG).
  • Page 79: 3.21 Remote Panel

    3.21 REMOTE PANEL be started and stopped using the remote panel. This compact remote panel can be mounted to suit the indi- The unit may be fitted with an optional remote control vidual operator’s preferences − on the front bulkhead, or panel.
  • Page 80: Sequence Of Operation - Electrical

    SECTION 4 - ENGINE AND TEMPERATURE CONTROL PARAGRAPH NUMBER Page INTRODUCTION ............. 4–1 SEQUENCE OF OPERATION - ELECTRICAL .
  • Page 81 SECTION 4 ENGINE AND TEMPERATURE CONTROL NOTES 1. If the unit is in an alarm condition, the control system 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”...
  • Page 82: Engine/Electric Operation

    • through fuse F11 for the light bar (LB) green • the compressor has been off for more than two LED’s. hours and suction pressure is above discharge pressure • through fuse F9, contacts HVB7−E and HVB1−E to SP−55. From SP−55 power is supplied to the During Soft Start the control system will de−energize c o n t a c t o r c o n t r o l b o a r d s ( 1 C C B 1 4 + a n d the liquid injection valve (LIV), economizer expansion...
  • Page 83: Engine Start-Up Sequence

    4.4.1 Engine Start-Up Sequence Once the engine is considered running, the control sys- tem will keep the preheater energized for an additional On command to perform a Start-up the main micropro- 0 to 180 seconds of Post Heat, depending on engine cessor will supply power from 3MM-10 to the fuel pump coolant temperature (refer to Table...
  • Page 84: Start-Stop Configuration

    from SEPARATE to TOGETHER, the values NOTE from the Perishable settings will be the ones The control system may be locked so that that will be used. the unit will always operate in Start-Stop whenever the setpoint is within a specific 4.5.2 Stop Parameters range.
  • Page 85: Battery Is Fully Charged - Amperage

    If in Electric Operation and compressor has cycled off, Configuration value the engine will be started. The Configuration value may be set from 10 to 32°F (-12.2 PSCON will remain energized (to supply power to the to 0°C). The factory default setting is 10°F (−12.2°C). If battery charger) until the stop parameter has been met this is the only reason operation is required, the unit will or the greater of the applicable MINIMUM RUN TIME...
  • Page 86: Compartment Temperature Has Exceeded The Override Functional Parameter Value

    If this is the only reason operation is required, the unit Section 4.7.1 for more information on frozen will operate as if it is in Continuous Operation until the and perishable setpoints) and the return air sen- requirement has been met. sor will continue to be used for frozen setpoints.
  • Page 87 • If in Continuous Operation - Perishable, and the NOTE High Speed Pulldown Configuration is ON: when I n C o n t i n u o u s R u n , w h e n d i ff e r e n c e the temperature is equal to setpoint.
  • Page 88: Autofresh Air Exchange

    AUTOFRESH AIR EXCHANGE Defrost is allowed when the DTT is less than 40.0°F (4.4°C). AutoFresh Air Exchange is a factory installed option that allows control of the atmospheric conditions within the refrigerated compartment. When air is being If DTT sensor alarm is active, the RAT is less than exchanged, two air ports are opened.
  • Page 89: Defrost Based On Time

    b. Defrost based on time When a natural defrost is initiated, the unit will operate for the first five minutes with the evaporator fan and Time interval between defrosts is selected in the Func- HTCON2 de−energized, and only HTCON1 energized. tional Parameters.
  • Page 90: Temperature Range Lock 1 & 2

    Supply Air Limit Control is set using the PERISHABLE When the PERISHABLE SENSITIVE PRODUCT Func- SENSITIVE PRODUCT Functional Parameter (which tional Parameter is set to ON, the supply air tempera- can be set to OFF or ON), and the SUPPLY AIR LIMIT ture will be the calculated value of setpoint minus the FOR START-STOP Operation Configuration or SUP- configured Supply Air Limit value.
  • Page 91: Figure 4.2 Range Lock Settings - Non Overlapping

    Figure 4.2 Range Lock Settings - Non Overlapping Range Lock 1 & 2 Range 1 is set for Range 2 is set for 28 to 55 F 0 to -22 F (-2.2 to +12.8 C) (-17.8 to -30 C) Range 2 Range 1 -23.3 -17.8...
  • Page 92: Productshield

    4.10.3 ProductShield range. ProductShield is a group of Configurations that work When the unit restarts, it will return to Continuous Operation for a minimum of 15 minutes or the Minimum together to allow improved operating efficiency while Run Time Functional Parameter setting, whichever providing customized product protection.
  • Page 93 ProductShield Econo Go To Continuous Examples: • If a value is entered in the High Air Delta-T Con- figuration, the delta-t must be above the value Example 1 If the Minimum is set to 0°F (-17.8°C) and before the microprocessor may switch to High the Maximum is set to 90°F (32.2°C) and the ambient air Speed.
  • Page 94: Preprogrammed Software Overrides

    4.11 PREPROGRAMMED SOFTWARE OVER- 5. Automatic Silent Mode RIDES If in diesel start/stop mode and engine restarts for any reason except S/S Perish Override 4.11.1 High Discharge Temperature Temp or S/S Frozen Override Temp (refer to Table 3–2), Diesel Engine Mode is forced to The control system monitors the signal provided by the low speed for the minimum OFF time.
  • Page 95: Csmv Control Overrides

    4.11.4 CSMV Control Overrides sor will transition from Economized Mode to Standard Mode as required to prevent the 1. Engine Rack (Throttle) Position Limit engine from stalling. As current is reduced, the The control system monitors the engine throttle microprocessor will reverse these steps to pro- position reading provided by the ENCU rack vide maximum allowable capacity.
  • Page 96: Interface Methods

    SECTION 5 - CONTROL SYSTEM INTERFACE PARAGRAPH NUMBER Page INTERFACE METHODS ............5–1 TECHNICIAN MODE .
  • Page 97 SECTION 5 CONTROL SYSTEM INTERFACE INTERFACE METHODS 3. USB memory device - Activities using the USB memory device include, creation of the device, There are four methods for interfacing with the APX PC Mode, downloading data files, installing soft- control system: ware, and transferring configuration files.
  • Page 98: Figure 5.2 Technician Hour Meters

    5.2.1 Technician Hour Meters Hour meters, other than standard hour meters are available for viewing when in Technician Mode. Instructions for viewing these hour meters are provided in Figure 5.2. Figure 5.2 Technician Hour Meters ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS Viewing Menu Soft Key DEFROST...
  • Page 99 5.2.2 Inactive Alarms Alarms are also recorded in the DataLink data recorder. They are recorded at the time they occur There are two sections in the Alarm list: an active alarm (become active), and the time they become inactive. section and an inactive alarm section. The control sys- tem can hold up to 16 alarms in the combined lists.
  • Page 100: Figure 5.4 Setting Configurations

    5.2.3 Configuration Settings Configuration settings match the control system to the unit and define control system action under various opera- tional conditions. Instructions for working with Configurations are provided in Figure 5.4. 1. Enter the Technicians Menu, highlight CONFIGURATION SETTINGS and then press the “=” key as described in Figure 5.1.
  • Page 101 9. When all the fields are displayed as desired, press the SAVE soft key to save the setting into memory. 10. Continue as above to enter additional UNIT IDENTIFICATION changes as required. 11. To change a value selection screen, press the “=” key with the desired Configuration sub-menu highlighted as in Sample Screen A.
  • Page 102 5.2.4 Component Test Mode Component Test Mode allows the technician to energize individual circuits for 5 minutes at a time. The unit is not allowed to start when the System is in Component Test Mode. Instructions for entering the Component Test Mode are provided in Figure 5.5.
  • Page 103: Data Transfer Usb Memory Device

    M o d e a n d t h e n r e - e n t e r, e n s u r i n g t h a t Carrier Transicold APX USB Flash Drive, CTD P/N “RECOVER / LEAK CHK / EVAC MODE” is dis- 12−00734−00 must be used:...
  • Page 104: Pc Mode

    1. With the START/RUN - OFF switch in the OFF position, remove protective cover from the USB interface port and insert a Data Transfer USB. NOTES: (1) A PC–USB service cable (Carrier Transicold part number 22−04253–20) may also be used. (2) If Configured to do so, the System will prompt for entry of the data pro- tect PIN code (refer to “PROTECT DATA WITH PIN”,...
  • Page 105: Downloading Data Files

    5.3.3 Downloading Data Files Instructions for downloading data from the DataLink data recorder to a Data Transfer USB memory device are pro- vided in Figure 5.7. Figure 5.7 Downloading Data Files ALARM START/STOP START/STOP DIESEL COOL CONTINUOUS DEFROST MENU BOX TEMPERATURE F SETPOINT F READING USB START/RUN...
  • Page 106: Installing Software

    Whenever installing new software, it is always a good idea to start the unit and give it a quick check over prior to performing the operation. All units should have the software upgraded to the latest ver- sion, provided for Carrier Transicold dealers on the TransCentral web site. Figure 5.8 Installing Software...
  • Page 107: Transferring Configuration Files

    5.3.5 Transferring Configuration Files be selected using the display mounted keys by the operator. A “Maintenance” file contains one or more Instructions for installing configuration files into the individual settings. For example: Remote Sensor Yes/ control system from a Data Transfer USB memory No, Fuel Level Sensor: Yes/No.
  • Page 108: Tru-Tech & Tru-View

    Create various customized graphical reports. • Print numerical, graphical, and event reports. • View and print refrigeration system historical set- PC–USB Service Cable. Carrier Transicold tings and changes. Part number: • Filter download data by date range and desired 22–04253–01 = 20 foot/6.1 meter long) sensors and events.
  • Page 109: Main Microprocessor Replacement & Setup

    PC Mode, or by placing the START/ RUN - OFF switch in the START/RUN position. When field diagnosis of a Carrier Transicold refrigeration unit determines that an APX main microprocessor is not 2. Insert a Data Transfer USB memory device and...
  • Page 110: Main Microprocessor Module Replacement

    5.5.2 Main Microprocessor Module Replace- the correct Model Number appears (verify by reading the Model/ Serial Plate on the unit). ment Press the “=” key to enter the new model number. 1. Ensure the unit will not start automatically by 5.
  • Page 111: Configurations Via Display Mounted Keys

    2. Leave the system powered up as you continue NOTE with the next section. None of the “Total” hourmeters are listed. When the hours for all the hourmeters are 5.5.6 DataLink Data Recorder Via TRU-Tech entered, the system will add the correct hours together and calculate the Total Engine Hours, NOTE total Standby Hours and Total Switch On...
  • Page 112 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description CONFIGURATION SETTINGS PRESS UP/DOWN TO DISPLAY AVAILABLE CONFIGURATIONS CONFIGURATION SETTINGS (1 OF 11) AVAILABLE CONFIGURATIONS INCLUDE UNIT IDENTIFICATION SETPOINT(S) & RANGE LOCK UNIT IDENTIFICATION HOUR METERS START-STOP SETTINGS SETPOINT(S) &...
  • Page 113: Table 5-1 Configuration Settings

    Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description SETPOINT(S) & RANGE LOCK DECIMAL DISPLAYED DISPLAYED = setpoint will be shown with a decimal and temperatures may be selected to a tenth of a de- gree.
  • Page 114 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description S/S PARAMETERS TOGETHER TOGETHER = When the Minimum Run Time, Mini- mum Off Time, Restart Temperature, Maximum Off SEPARATE Time, and Override Temperatures are set in the Functional Parameter List, the same values will be used for both Frozen and Perishable setpoints.
  • Page 115 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description PRODUCTSHIELD: HIGH AIR OFF = The unit will operate normally in high and low speeds. ON = In Engine Operation, the unit will operate in high speed when the ambient air temperature is out- side a user defined range.
  • Page 116 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description HIGH ENGINE TEMP SHUT- YES / NO YES = When the 00012 HIGH COOLANT TEM- DOWN PERATURE alarm has been activated three times in the last two hours of engine operation 00021 TECH- NICIAN RESET REQUIRED...
  • Page 117 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description LOW PRESSURE SHUTDOWN YES / NO YES = When the 00018 LOW REFRIGERANT PRESSURE alarm is activated the alarm light will il- luminate and the unit will shut down. NO = When the 00018 LOW REFRIGERANT PRES- SURE...
  • Page 118 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description DISPLAY TOTAL SWITCH ON YES / NO YES = This hour meter will be displayed during the startup messaging sequence and will be in hour me- ter menu.
  • Page 119 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description PM 1 − 5 RESET INTERVAL ENGINE HOURS 0 or The value to be entered here is the desired number 50 TO 30,000 hours in of hours or cycles between PM Maintenance Alarms for this meter.
  • Page 120 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description UNIT SHUTDOWN BELOW If Door Switch = Unit Shutdown is selected: OFF = the unit will shutdown at any ambient tem- (ambient air temperature) 120 to -20°F (49 to - perature.
  • Page 121 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description PROTECT DATA WITH PIN YES / NO NOTE Master technician PIN code is described Section 5.2. Using TRU−Tech, a data protect PIN code, which can override the master technician PIN code, may be entered into the control system.
  • Page 122 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description NO AC POWER ALARM & SHUT- ALARM & SHUTDOWN = If standby power is lost DOWN unit is to shut down. SWITCH TO ENGINE = If standby power is lost die- SWITCH TO ENGINE sel engine will be started.
  • Page 123 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description DIESEL MAX GEN AMPS Indicates to the microprocessor the maximum allow- able amperage in Diesel operation. 10 TO 35 in 0.5A incre- USE FACTORY DEFAULT SETTING ONLY. DO ments NOT OPERATE UNIT WITH DIFFERENT SETTING.
  • Page 124 Table 5–1 Configuration Settings (Refer to Section 5.2.3 for instructions on entering Configuration settings) Configuration Selections Description RAIL SETTINGS UNIT OPERATION STANDARD RAIL = The system is set to control Rail refrigeration operation. When this Configuration is set to “RAIL” RAIL the following “VEHICLE ID”, “RAIL SHUTDOWN OVERRIDE”...
  • Page 125 SECTION 6 - MESSAGECENTER PARAGRAPH NUMBER Page MESSAGECENTER MESSAGES ..........6–1 62-11640...
  • Page 126: Messagecenter Messages

    SECTION 6 MESSAGECENTER MESSAGES MESSAGECENTER MESSAGES The following table lists common messages which do not appear in other lists in this manual and a description of their meaning. Refer to Section 9 for a list of Alarm messages. Refer to Section 3.14 for a list of Unit Data mes- sages.
  • Page 127 Table 6–1 MessageCenter Messages Message Description DEFROST The unit is in the defrost cycle. DOOR OPEN A refrigerated compartment door is open. DOOR OPEN - LOW SPEED A refrigerated compartment door is open forcing the unit to run in low speed.
  • Page 128 Table 6–1 MessageCenter Messages Message Description PRESTRIP STOPPED BY USER Pretrip has been stopped by user. PRODUCTSHIELD: ECONO ON The unit is operating in ProductShield Econo which overrides normal unit Start−Stop or Continuous Run operation. Refer to Section 4.10.3. PRODUCTSHIELD: HIGH AIR ON The unit is operating in ProductShield High Air which overrides normal unit speed operation.
  • Page 129 Table 6–1 MessageCenter Messages Message Description TECHNICIAN RESET REQUIRED Alarm 00011 CHECK ENGINE OIL PRESSURE 00012 HIGH (AL00021) COOLANT TEMPERATURE has been activated three times in the last two hours and the unit has been locked out. Refer to Section 7 for fur- ther information.
  • Page 130: Introduction

    SECTION 7 - ALARM TROUBLESHOOTING PARAGRAPH NUMBER Page INTRODUCTION ............. 7–1 NOTES .
  • Page 131 00093 CHECK STARTUP BUZZER ..........7–46 00094 CHECK COMP CONTACTOR 1 .
  • Page 132 P00208 CHECK GENERATOR CONTACT CIRC ........7–76 P00209 CHECK STANDBY CONT CIRCUIT .
  • Page 133 22102 SENSOR INPUT VOLTAGE HIGH INP1 ........7–109 22103 INPUT LOST CONFIGURATION .
  • Page 134: Introduction

    SECTION 7 ALARM TROUBLESHOOTING inspection is performed. For those cases where the WARNING cause of the problem is not obvious, this troubleshoot- ing guide will be of assistance. APX control system equipped units may Troubleshooting should begin with the first alarm that s t a r t a u t o m a t i c a l l y a t a n y t i m e t h e appears in the active alarm list.
  • Page 135: Notes

    NOTES NOTE Note 3: Sensors may be tested by taking a NOTE resistance measurement, at the sensor side Note 1: The active alarm list may be cleared of the harness connector, at the sensor loca- when in the Driver Mode or Advanced User tion.
  • Page 136: Alarms

    ALARMS 00001 LOW FUEL LEVEL WARNING NOTE This is an optional alarm which will only occur when a fuel level sensor is present & configured “YES”. • ACTIVATION: The ENCU circuit is energized (3MM−9) and fuel level is 15% or less for more than 30 seconds. •...
  • Page 137: 00011 Check Engine Oil Pressure

    00011 CHECK ENGINE OIL PRESSURE NOTE This alarm may be activated if too high a viscosity oil is used in cold ambient. • ACTIVATION: The ENCU circuit is energized (3MM−9) and engine oil pressure is below 12 psig (0.82 bar) for longer than 5 seconds while the engine is running.
  • Page 138: 00012 High Coolant Temperature

    00012 HIGH COOLANT TEMPERATURE • ACTIVATION: Condition 1: Ambient temperature is below 120°F (48.9°C) and engine coolant temperature is above 230°F (110°C). Condition 2: Ambient temperature is above 120°F (48.9°C) and, engine coolant temp is above 241°F (116°C). Condition 3: Ambient temperature is below 120°F (48.9°C) and the engine coolant temperature has remained between 230 and 241°F (110 and 116°C) for more than 5 minutes.
  • Page 139: 00012 High Coolant Temperature

    00012 HIGH COOLANT TEMPERATURE - CONTINUED 5. Check Engine Coolant Temperature Sensor (ENCT) a. Refer to procedure for alarm 00129 CHECK ENG COOLANT SENSOR. Alarm condition must be corrected and the alarm cleared to continue. b. Inspect sensor & connector pins & terminals. Verify no damage to sensor. Verify no damage, mois- ture, or corrosion in connector.
  • Page 140: 00013 High Discharge Pressure

    00013 HIGH DISCHARGE PRESSURE • ACTIVATION: Compressor discharge pressure switch (HPS) contacts are open. HPS contacts open when the discharge pressure rises. Refer to Section 2.9. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Refrigeration system shutdown and alarm with PSCON still ener- gized.
  • Page 141: 00015 Battery Voltage Too High

    00015 BATTERY VOLTAGE TOO HIGH • ACTIVATION: Voltage at the main microprocessor is greater than 17 VDC. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Refrigeration system shutdown and alarm with PSCON still ener- gized. •...
  • Page 142: 00016 Battery Voltage Too Low

    00016 BATTERY VOLTAGE TOO LOW • ACTIVATION: Voltage at the main microprocessor is less than 10 VDC (except when the engine starter is engaged). • UNIT CONTROL: Engine and Electric Operation: Shutdown and alarm. Alarm only if activated while start- ing unit.
  • Page 143: 00017 High Comp Discharge Temp

    00017 HIGH COMP DISCHARGE TEMP • ACTIVATION: “Check Compressor Discharge Sensor” alarm not active (if alarm is active, refer to 00125 CHECK COMP DISCHARGE SENSOR first) and: discharge temp rises above 285.1°F (140.6°C) for 30 seconds, or discharge temp rises above 295.0°F (146.1°C). •...
  • Page 144: 00018 Low Refrigerant Pressure

    00018 LOW REFRIGERANT PRESSURE • ACTIVATION: Suction Pressure has been less than −6.3 psig (−0.43 bar) for the Low Suction Pressure Configuration time or 10 seconds (whichever is less). • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Alarm only or (if configured for shutdown) refrigeration system shutdown and alarm with PSCON still energized.
  • Page 145: Low Fuel Shutdown

    00019 LOW FUEL SHUTDOWN NOTE This is an optional alarm. This alarm will not occur if the Fuel Level Sensor Configuration is NO. • ACTIVATION: The fuel level is 10% or less for more than 60 seconds AND Alarm 000126 - “Check Fuel Sensor Circuit”...
  • Page 146: 00021 Technician Reset Required

    00021 TECHNICIAN RESET REQUIRED • ACTIVATION: The High Engine Temp Shutdown Configuration and/or Engine Oil Pressure Shutdown Configuration is/are set to YES, and either Alarm 00011 - Low Engine Oil Pressure, or Alarm 00012 - High Coolant Temperature has become active and shut the unit down three times within the past 2 hours. •...
  • Page 147: 00022 Low Suction Superheat

    00022 LOW SUCTION SUPERHEAT • ACTIVATION: “Check Suction Temperature Sensor” and/or “Check Evaporator Temperature Sensor” alarms are not active (refer to Alarm 000127 and/or 000131 first) and: Compressor suction superheat (Compressor Suction Temperature (CST) minus saturated tempera- ture for Compressor Suction Pressure (CSP) is less than 8°F (4.4°C) for more than 3−4 minutes. •...
  • Page 148: 00023 A/C Current Over Limit

    00023 A/C CURRENT OVER LIMIT • ACTIVATION: The high voltage amp draw is over the limit shown in the following table for more than 10 sec- onds. CONDITION DRAW Engine High / Low Speed, Standby Cool or Pretrip / Engine Off Engine High Speed Heat Engine Low Speed or Standby Heat Engine High Speed Defrost (With heaters energized)
  • Page 149: 00023 A/C Current Over Limit

    00023 A/C CURRENT OVER LIMIT - CONTINUED 4. Check High Voltage Components Amp Draw (with the unit operating) a. Check condenser fan amp draw on all legs. (CDCON) b. Check evaporator fan motor amp WARNING draw on all 3 legs (1EVCON) c.
  • Page 150: 00024 Compression Ratio Exceeded

    00024 COMPRESSION RATIO EXCEEDED • ACTIVATION: If the compressor compression ratio is greater than 24 for 20 seconds. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Refrigeration system shutdown and alarm with PSCON still ener- gized.
  • Page 151: 00027 High Suction Pressure

    00027 HIGH SUCTION PRESSURE • ACTIVATION: 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 152: 00028 Check Refrigeration System

    00028 CHECK REFRIGERATION SYSTEM • ACTIVATION: The refrigeration system is running and the discharge pressure is less than 5 psig (0.34 bar) higher than suction pressure for more than 30 seconds. • UNIT CONTROL: Engine Operation: Alarm only or (if configured for shutdown) engine and unit shutdown and alarm.
  • Page 153: 00031 Failed To Start - Auto Mode

    00031 FAILED TO START - AUTO MODE • ACTIVATION: Engine has tried to start three times unsuccessfully in the auto start mode. • UNIT CONTROL: Engine Operation: Shutdown and alarm. Electric Operation: Alarm condition only. • RESET CONDITION: Alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 154: 00034 Engine Failed To Stop

    00034 ENGINE FAILED TO STOP • ACTIVATION: 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 155: 00035 Check Starter Circuit

    00035 CHECK STARTER CIRCUIT • ACTIVATION: Engine speed fails to reach 50 rpm during 2 start attempts. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: This alarm will not activate in Electric Operation. • RESET CONDITION: Alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 156: 00036 Check Coolant Temperature

    00036 CHECK COOLANT TEMPERATURE • ACTIVATION: Coolant temperature is below 32°F (0°C) after the engine has been running for 5 minutes. • UNIT CONTROL: Engine Operation: Alarm only. Electric Operation: This alarm will not activate in Electric Operation. • RESET CONDITION: Auto reset when coolant temperature is higher than 36°F (2.2°C) or alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 157: 00038 Check High Speed Rpm

    00038 CHECK HIGH SPEED RPM • ACTIVATION: The control system is calling for high speed operation, and engine speed is less than 1650 rpm, or greater than 1950 rpm for more than 60 seconds (120 seconds when the control system calls for a change from low to high speed, or when unit first starts).
  • Page 158: Check Engine Rpm

    00039 CHECK ENGINE RPM • ACTIVATION: In Engine Operation and Alarm 00130 is not active and engine speed is less than 1300 rpm, or greater than 1950 rpm for 5 minutes, or engine rpm to less than 1290 rpm for 5 seconds after the engine speed has been greater than 1300 rpm for 3 seconds.
  • Page 159: 00040 Check Engine Preheat Circuit

    00040 CHECK ENGINE PREHEAT CIRCUIT • ACTIVATION: 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 pre−heat time allowed. Refer to Table 4–1 for pre−heat times.
  • Page 160: Engine Stalled

    00041 ENGINE STALLED • ACTIVATION: The control system is calling for the engine to run, Engine speed sensor is good, and engine speed is less than 10 rpm; or the A00130 (Check Engine RPM Sensor) alarm is ON, and the Oil Pressure switch contacts are open.
  • Page 161 00041 ENGINE STALLED - CONTINUED 5. Check Engine Speed Sensor (ENSSN) Inspect harness, connector pins & terminals. (See wiring schematic Section 10.) Verify no physical damage to harness, and no damage, moisture, or corrosion in connectors. 6. Check Engine Air-Intake System a.
  • Page 162: 00051 Alternator (Battery Charger) Not Charging

    00051 ALTERNATOR (BATTERY CHARGER) NOT CHARGING • ACTIVATION: Unit is running and the current flow is less than -1.0 amps between the alternator and the battery for 3 continuous minutes. • UNIT CONTROL: Engine Operation: Alarm only or (if Alternator Check Shutdown configuration is set to YES (configured for shutdown) engine and unit shutdown &...
  • Page 163: 00053 Box Temp Out-Of-Range

    00053 BOX TEMP OUT-OF-RANGE • ACTIVATION: Condition One: If the unit is running in Pulldown and the SAT is not greater than 1°F (0.56°C) below the RAT or if the unit is running in Pull-Up 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 164 00053 BOX TEMP OUT-OF-RANGE - CONTINUED 3. Check For Any Shutdown Alarm(s) Check the Alarm List for any shutdown alarms. Alarm conditions must be corrected and the alarm cleared to continue. 4. Check For Alarm 00018 (Low Refrigerant Pressure Alarm) Check for Alarm 00018 LOW REFRIGERANT PRESSURE.
  • Page 165: 00054 Defrost Not Complete

    00054 DEFROST NOT COMPLETE • ACTIVATION: Defrost cycle did not complete within 45 minutes • UNIT CONTROL: Engine and Electric 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 166: 00055 Check Defrost Air Switch

    00055 CHECK DEFROST AIR SWITCH • ACTIVATION: The defrost air switch has called for a defrost cycle within 8 minutes of a defrost termina- tion for 2 consecutive defrost cycles. (The air switch contacts were closed continuously for 15 seconds before the defrost cycle was started.) •...
  • Page 167: 00057 Check Remote Switch 1 (Rems1)

    00057 CHECK REMOTE SWITCH 1 (REMS1) • ACTIVATION: REMS1 is set to trigger an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. • UNIT CONTROL: Engine and Electric Operation: May be configured as alarm only, alarm and force low engine speed, or alarm and shutdown.
  • Page 168: 00058 Check Remote Switch 2 (Rems2)

    00058 CHECK REMOTE SWITCH 2 (REMS2) • ACTIVATION: 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. • UNIT CONTROL: Engine and Electric Operation: May be configured as alarm only, alarm and force low engine speed, or alarm and shutdown.
  • Page 169: 00059 Datalogger (Datalink Data Recorder) Not Recording

    Replace and setup main microprocessor. Refer to Section 5.5. NOTE Specific Configurations may be found on the TransCentral Website (Authorized Carrier Transicold Dealers only). 00060 DATALOGGER (DataLink data recorder) TIME WRONG • ACTIVATION: The real time clock in the DataLink data recorder does not contain a valid date.
  • Page 170: 00061 Door Open (Ds1)

    00061 DOOR OPEN (DS1) • ACTIVATION: DS1 is set to trigger an alarm if the switch is activated (opened or closed, depending on switch type) for more than five seconds. • UNIT CONTROL: Engine and Electric Operation: May be configured as alarm only, alarm and force low engine speed, or alarm and shutdown.
  • Page 171: 00073 No Power-Check Power Cord

    00073 NO POWER-CHECK POWER CORD • ACTIVATION: The unit is set to operate in electric AND no AC power; incoming voltage at the High Volt- age Transformer (HVT) is less than 300VAC. • UNIT CONTROL: Engine Operation: System will remain in Engine Operation. Electric Operation: If the “NO A/C POWER”...
  • Page 172: Phase Reversed

    00074 PHASE REVERSED • ACTIVATION: If the system is in electric mode and the Stop/Run Switch is ON and the system cannot properly detect the phase. • UNIT CONTROL: Engine Operation: Alarm only. Electric Operation: Required Shutdown. • RESET CONDITION: Auto reset when and the phase reversed switch = phase reverse okay for 2 sec- onds, or switch to diesel mode.
  • Page 173: 00075 Comp Motor Overload

    00075 COMP MOTOR OVERLOAD • ACTIVATION: If alarm 00022, 00027 and/or 00028 was triggered with current below 5.5 amps, this alarm will also trigger or on restart from alarm 00022, 00027 and/or 00028 trigger on if compressor current does not rise above 1 amp, and alarm 00013 (High Discharge Pressure) is not active. •...
  • Page 174: 00076 Condenser Motor Overheated

    00076 CONDENSER MOTOR OVERHEATED • ACTIVATION: The condenser fan motor Internal Protectors (IP-CDM1) circuit is open, and AL00013 (High Discharge Pressure) is not active. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Refrigeration system shutdown and alarm with PSCON still ener- gized.
  • Page 175 00076 CONDENSER MOTOR OVERHEATED - CONTINUED 7. Check IPC circuit a. Use Component Test Mode to energize CDCON1 circuit. (Refer to Section 5.2.4.) Output will come on. b. Verify 12 VDC at CDCON1 A1 and A2. Inspect wiring between condenser and CCB. c.
  • Page 176: 00077 Evap Motor Overheated

    00077 EVAP MOTOR OVERHEATED • ACTIVATION: The evaporator fan motor Internal Protector (IP-EVM) is open. • UNIT CONTROL: Engine and Electric 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 177: 00084 Check Remote Alarm Light

    00084 CHECK REMOTE ALARM LIGHT • ACTIVATION: The fault output circuit (amber “check unit” LED’s) to the light bar is shorted. • UNIT CONTROL: Engine and Electric Operation: Alarm only. • RESET CONDITION: Auto Reset when Alarm light current (amp) draw is normal, or alarm may be manu- ally reset via keypad or by turning the unit off, then back on again.
  • Page 178: 00093 Check Startup Buzzer

    00093 CHECK STARTUP BUZZER • ACTIVATION: The Buzzer (B) circuit is shorted or open. (The Buzzer output from the microprocessor [PCM-23 to 3MM15] 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 179: Check Cdcon1 Coil

    00095 CHECK CDCON1 COIL • ACTIVATION: Condenser fan motor contactor (CDCON) circuit is shorted or open. • UNIT CONTROL: Engine and Electric 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 180: 00096 Check Gencoil Coil

    00096 CHECK GENCOIL COIL • ACTIVATION: Generator contactor (GENCON) circuit is shorted or open. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric 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 181: 00098 Check High Temp Thermostat

    00098 CHECK HIGH TEMP THERMOSTAT • ACTIVATION: With the Main Power switch toggled out of the OFF position, the EVHTS circuit is open. • UNIT CONTROL: Engine and Electric Operation: Alarm AND no heat allowed. • RESET CONDITION: Auto Reset when the EVHTS circuit is okay for 15 minutes, or alarm may be manu- ally reset via keypad or by turning the unit off, then back on again.
  • Page 182: Overload/Ground Fault

    00100 OVERLOAD/GROUND FAULT • ACTIVATION: Engine or Electric 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 Milli−amps.
  • Page 183: Check 1Evcon Coil

    00109 CHECK 1EVCON COIL • ACTIVATION: Evaporator fan motor contactor (1EVCON) circuit is shorted or open. • UNIT CONTROL: Engine and Electric 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 184: Check Liv Circuit

    00114 CHECK LIV CIRCUIT • ACTIVATION: A problem has been detected in the LIV coil circuit. If this alarm is activated while the con- trol system is calling for LIV to be energized, the circuit is detected shorted. If this alarm is activated at any other time, the circuit is detected open.
  • Page 185: Check Return Air Sensor

    00122 CHECK RETURN AIR SENSOR • ACTIVATION: Return Air Temperature Sensor (RAT) is not within the range of -53 to +158°F (-47 to +70° • UNIT CONTROL: Engine and Electric Operation: If Alarm 00123 is not active: Alarm and switch to supply air control. If Alarm 00123 is active: Alarm and the System will enter Cargo Protect Mode.
  • Page 186: Check Defrost Term 1 Sensor

    00124 CHECK DEFROST TERM 1 SENSOR • ACTIVATION: Defrost Termination Temperature Sensor (1DTT) is not within the range of -53° to +158°F (-47° to +70° C.) • UNIT CONTROL: Engine and Electric Operation: If Alarm 122 is not active: Alarm and initiate defrost if 1RAT is below 45°F (7.2°C).
  • Page 187: Check Fuel Sensor Circuit

    00126 CHECK FUEL SENSOR CIRCUIT • ACTIVATION: The fuel level sensor is configured “YES” and the reading (in the Unit Data) is less than 2% for 30 seconds. • UNIT CONTROL: Engine Operation: Alarm Only. Electric Operation: This alarm does not activate in electric operation. •...
  • Page 188: Low/Unbalanced A/C Amps

    00128 LOW/UNBALANCED A/C AMPS • ACTIVATION: The compressor is on and AC Current Sensor 1, 2 or 3 is less than 5 amps for 10 seconds. OR, if the difference between AC Current 1 and AC Current 2 2−3 and 1−3 is greater than 10 amps for 10 seconds.
  • Page 189: Check Engine Rpm Sensor

    00130 CHECK ENGINE RPM SENSOR • ACTIVATION: 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 speed is sensed at less than 1000;...
  • Page 190: Check Evap Temp Sensor

    00131 CHECK EVAP TEMP SENSOR • ACTIVATION: Evaporator Outlet Temperature Sensor (EVOT) is not within the range of −53 to +158°F (−47 to +70°C) • UNIT CONTROL: Engine and Electric Operation: Alarm only and superheat for EVXV will be calculated using SAT or DTT if alarm 00123 (Check Supply Air Sensor) is active.
  • Page 191: 00133 Check Remote Temp Sensor 1

    00133 CHECK REMOTE TEMP SENSOR 1 00134 CHECK REMOTE TEMP SENSOR 2 00135 CHECK REMOTE TEMP SENSOR 3 • ACTIVATION: Remote Temperature Sensor (REMSN1, REMSN2 or REMSN3) is not within the range of -53 to +158°F (-47 to +70°C.) • UNIT CONTROL: Engine and Electric Operation: Alarm only.
  • Page 192: P00141 Pretrip Stopped By User

    P00141 PRETRIP STOPPED BY USER • ACTIVATION: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically. • UNIT CONTROL: Engine and Electric Operation: Alarm Only. • RESET CONDITION: Alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 193: P00153 Check Return Air Sensor

    P00153 CHECK RETURN AIR SENSOR • ACTIVATION: Return Air Temperature Sensor (RAT) is not within the range of -53 to +158°F (-47 to +70°C). • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 194: P00157 Check Battery Current

    P00157 CHECK BATTERY CURRENT • ACTIVATION: With all circuits off, current flow of more than +1.5 to -2.0 amps is detected in the 12 VDC electrical circuits. NOTE: If this alarm occurs, Pretrip Test #2 will be skipped and Pretrip Test #3 will start. •...
  • Page 195: P00159 Check Defrost Term 1 Sensor

    P00159 CHECK DEFROST TERM 1 SENSOR • ACTIVATION: Defrost Termination Temperature Sensor (1DTT) is not within the range of -53 to +158°F (- 47 to +70°0 C.) • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 196: P00162 Check Afa Solenoid Circuit

    P00162 CHECK AFA SOLENOID CIRCUIT • ACTIVATION: The (AFAR) circuit current draw is outside the normal range. • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”. • RESET CONDITION: Auto reset if Pretrip is started again, or alarm may be manually reset using the dis- play mounted keys or by turning the unit off, then back on again.
  • Page 197: P00174 Check Low Speed Rpm

    P00174 CHECK LOW SPEED RPM • ACTIVATION: in Test #4: With the CAN calling for low speed, engine speed is NOT between: 1300 and 1400 rpm. in Test #6: 15 seconds after the high speed test, engine rpm has not dropped from the high speed test to 1300 to 1400 rpm.
  • Page 198: P00177 Check Exv (Evxv) Superheat

    P00177 CHECK EXV (EVXV) SUPERHEAT • ACTIVATION: With the unit running in Test 11, after the control system closes the EVXV to 0%, evapora- tor 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 199: P00180 Check Suction Mod Valve

    P00180 CHECK SUCTION MOD VALVE • ACTIVATION: With the unit running in Pretrip Test #10, after the microprocessor attempts to close CSMV, the suction pressure fails to drop below 0 psig (0 bar). • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL IN TEST 10”. •...
  • Page 200: P00187 Check Heater 1 Circuit

    P00187 CHECK HEATER 1 CIRCUIT This device is checked twice in Pretrip - once in Test 2 and again in Test 7. • ACTIVATION TEST 2: (unit not running): Normal draw for the 1HTCON1 coil is 0.05 to 1.0 Amps (12 VDC).
  • Page 201 P00187 CHECK HEATER 1 CIRCUIT - CONTINUED 460 VAC CIRCUIT 6. Check Amp Draw of 1HTCON1 Heater Circuit a. With the unit running and calling for Heat, use a clamp on ammeter to check the current draw of all 3 legs. Must be within range shown in Section 2.10 for all three legs.
  • Page 202: P00188 Check Heater 2 Circuit

    P00188 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip - once in Test 2 and again in Test 8. • ACTIVATION TEST 2: (unit not running): Normal draw for the 1HTCON2 contactor coil is 0.05 to 2.0 Amps (12 VDC).
  • Page 203 P00188 CHECK HEATER 2 CIRCUIT - CONTINUED 460 VAC CIRCUIT 6. Check Amp Draw of 1HTCON2 Heater Circuit a. With the unit running and calling for Heat, use a clamp on ammeter to check the current draw of all 3 legs. Must be within range shown in Section 2.10 for all three legs.
  • Page 204: P00189 Check Evaporator Fan Motor

    P00189 CHECK EVAPORATOR FAN MOTOR This device is checked twice in Pretrip - once in Test 2 and again in Test 9. • ACTIVATION TEST 2: (unit not running): Normal draw for the 1EVCON contactor coil is 0.05 to 2.0 Amps (12 VDC).
  • Page 205 P00189 CHECK EVAPORATOR FAN MOTOR - CONTINUED 460 VAC CIRCUIT 5. Check Amp Draw of 1EVCON Evaporator Fan Motor Circuit a. With the unit running in either HEAT or COOL, use a clamp on ammeter to check the current draw of all 3 legs.
  • Page 206: P00190 Check Condenser Fan Motor

    P00190 CHECK CONDENSER FAN MOTOR • ACTIVATION: 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 Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 207: P00206 Check Condenser Fan Circuit

    P00206 CHECK CONDENSER FAN CIRCUIT • ACTIVATION: Normal draw for the CDCON contactor coil is 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range. • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 208: P00208 Check Generator Contact Circ

    P00208 CHECK GENERATOR CONTACT CIRC • ACTIVATION: Normal draw for the GENCON coil is 0.0 to 1.0 Amps (12 VDC). The circuit tests outside this range. • UNIT CONTROL: Engine and Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 209: P00209 Check Standby Cont Circuit

    P00209 CHECK STANDBY CONT CIRCUIT • ACTIVATION: Normal amps for the 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 210: Engine Maintenance Due

    00223 ENGINE MAINTENANCE DUE • ACTIVATION: The Engine Maintenance Hour Meter time has expired. • UNIT CONTROL: Engine and Electric Operation: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset using the display mounted keys. CORRECTIVE ACTIONS: 1.
  • Page 211: General Maintenance Due

    00225 GENERAL MAINTENANCE DUE • ACTIVATION: The General Maintenance Hour Meter time has expired. • UNIT CONTROL: Engine and Electric Operation: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. CORRECTIVE ACTIONS: 1.
  • Page 212: 00227 Service Soon-Pm #2 Due

    00227 SERVICE SOON-PM #2 DUE • ACTIVATION: The Maintenance Hour Meter #2 time has expired. • UNIT CONTROL: Engine and Electric Operation: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. CORRECTIVE ACTIONS: 1.
  • Page 213: 00229 Service Soon-Pm #4 Due

    00229 SERVICE SOON-PM #4 DUE • ACTIVATION: The Maintenance Hour Meter #4 time has expired. • UNIT CONTROL: Engine and Electric Operation: Alarm Only. Alarm Light will NOT be turned on. • RESET CONDITION: Alarm may be manually reset via keypad. CORRECTIVE ACTIONS: 1.
  • Page 214: Setpoint Error

    Enter correct Model Number. Check Model Number on Nameplate. Select the correct model num- ber in the “MODEL NUMBER” Configuration. If correct model number is not found, Install (or have Carrier Transicold dealer install) latest software revision. 2. Reset Microprocessor a.
  • Page 215: 00237 Function Parameters Error

    00237 FUNCTION PARAMETERS ERROR • ACTIVATION: There is an error in one or more of the Functional Parameters that are stored in the main microprocessor memory. • UNIT CONTROL: Engine and Electric Operation: Incorrect Functional Parameter(s) will be automatically set for default value. •...
  • Page 216: 00238 Configurations Error

    00238 CONFIGURATIONS ERROR • ACTIVATION: There is an error in the Configuration settings that are stored in the main microprocessor memory. • UNIT CONTROL: Engine and Electric Operation: 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 217: 00245 Cannot Save Setting

    1. Check Microprocessor Software Revision Check microprocessor software Unit should have the software upgraded to the latest version, pro- vided for Carrier Transicold dealers on the TransCentral site. 2. Reset Microprocessor a. Place the START/RUN-OFF switch in the OFF position. Disconnect positive battery cable, remove F7 fuse or unplug 1MM connector, wait 20 seconds and reinstall.
  • Page 218: 00248 Config Mode / Hp2 Error

    00248 CONFIG MODE / HP2 ERROR • ACTIVATION: EEPROM Configuration is out of range. • UNIT CONTROL: Engine and Electric Operation: Shutdown and alarm. • RESET CONDITION: Auto reset only when valid info is entered. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the alarm(s).
  • Page 219: 00255 Microprocessor Error

    1. Check Software Revision Check microprocessor software Unit should have the software upgraded to the latest version, pro- vided for Carrier Transicold dealers on the TransCentral site. 2. Reset Microprocessor a. Place the START/RUN-OFF switch in the OFF position. Disconnect positive battery cable, remove F7 fuse or unplug 1MM connector, wait 20 seconds and reinstall.
  • Page 220: 02002 Low Discharge Superheat

    02002 LOW DISCHARGE SUPERHEAT • ACTIVATION: Compressor discharge superheat is less than 68°F (20°C) after 3 minutes of engaging the Econ SH offset logic, the compressor is on, and Evaporator Flood back control hasn’t been active in the last 3 minutes and suction superheat is greater than 40°F (4.4°C) NOTE This alarm can be caused by a stuck open ECXV or LIV, causing too much liquid to be sent into the compressor at the economizer connection.
  • Page 221: 03001 Engine Load Calibration

    03001 ENGINE LOAD CALIBRATION • ACTIVATION: Activate alarm if: Condition 1 = At engine start if the engine throttle sensor (Rack Position Sensor) value is less than 90%. Condition 2 = After start if the sensor value does not drop below 90% within 5 seconds. Condition 3 = At engine shutoff if the sensor value does not drop below 10% within 5 seconds.
  • Page 222: 04002 High Economizer Superheat

    04002 HIGH ECONOMIZER SUPERHEAT • ACTIVATION: With unit running in economized mode for 15 minutes, ECXV open greater than 99% for 5 minutes, and a box temperature less than 14°F (−10°C); economizer superheat is above 74°F (23°C) for 5 minutes. NOTE This alarm can be caused by a stuck ECXV, not letting enough liquid into the economizer circuit.
  • Page 223: Bad F9 Fuse

    05005 BAD F9 FUSE • ACTIVATION: CCB Fuse Alarm; Feedback from CCB indicates fuse is missing or blown. Signal must be present for at least 3 seconds. • UNIT CONTROL: Engine and Electric Operation: Alarm only. • RESET CONDITION: Replace or fix fuse issue. NOTE: Follow the steps below until a problem is found.
  • Page 224: Bad F3 Fuse

    05007 BAD F3 FUSE • ACTIVATION: Stepper Board Fuse Alarm; Feedback from Stepper Board indicates fuse is missing or blown. Signal must be present for at least 3 seconds. • UNIT CONTROL: Engine and Electric Operation: Alarm only. • RESET CONDITION: Replace or fix fuse issue. NOTE: Follow the steps below until a problem is found.
  • Page 225: 05009 Check Standby Contactor One (Pscon)

    05009 CHECK STANDBY CONTACTOR ONE (PSCON) • ACTIVATION: Standby contactor one (PSCON) circuit is shorted or open. • UNIT CONTROL: Engine Operation: Alarm condition only. Electric Operation: Required Shutdown • RESET CONDITION: 15 Minutes have elapsed since activation or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
  • Page 226: 05010 Check Standby Contactor Two (Pscon2)

    05010 CHECK STANDBY CONTACTOR TWO (PSCON2) • ACTIVATION: Standby contactor one (PSCON2) circuit is shorted or open. • UNIT CONTROL: Engine Operation: Alarm condition only. Electric Operation: Required Shutdown • RESET CONDITION: 15 Minutes have elapsed since activation or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
  • Page 227: 05012 Check Encu Power Circuit

    05012 CHECK ENCU POWER CIRCUIT NOTE When operation of the engine is required the main microprocessor will provide a signal from terminal 3MM−9. This signal has been referred to as the “run relay”, based on pre−APX control systems that had an actual relay in place. Whenever the term “run relay” is used in APX control system discussion, it is referring to the engine run output from 3MM−9 to the ENCU at terminal ENCU−44.
  • Page 228: 05014 Check Starter Solenoid Circuit

    05014 CHECK STARTER SOLENOID CIRCUIT • ACTIVATION: A problem has been detected in the starter solenoid coil (SS) circuit. If this alarm is acti- vated while the control system is calling for SS to be energized, the circuit is detected shorted. If this alarm occurs at any other time, the circuit is detected open.
  • Page 229: 05017 Check Eng Preheat Enable Circuit

    05017 CHECK ENG PREHEAT ENABLE CIRCUIT • ACTIVATION: A problem has been detected in the engine preheat enable circuit (EPHT). If this alarm is activated when the circuit is energized, the circuit is detected shorted. If this alarm is activated at any other time, the circuit is detected open.
  • Page 230: 05018 Check Power Enable Control

    05018 CHECK POWER ENABLE CONTROL • ACTIVATION: The Power Enable Control Circuit Feedback is sensed out of range. • UNIT CONTROL: Engine and Electric Operation: Alarm only. • RESET CONDITION: Auto reset when circuit is normal, or alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 231: 05020 Check Htr Cntr One

    05020 CHECK HTR CNTR ONE • ACTIVATION: Heater Contactor 1 (1HTCON1) circuit is shorted or open. • UNIT CONTROL: Engine and Electric 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 232: 05021 Check Htr Cntr Two

    05021 CHECK HTR CNTR TWO • ACTIVATION: Heater Contactor 2 (1HTCON2) circuit is shorted or open. • UNIT CONTROL: Engine and Electric 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 233: 06000 Condenser Motor2 Overheated

    06000 CONDENSER MOTOR2 OVERHEATED • ACTIVATION: The condenser fan motor Internal Protectors (IP-CDM2) circuit is open. • UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Electric Operation: Refrigeration system shutdown and alarm with PSCON still ener- gized. • RESET CONDITION: Auto Reset when motor overload input is within limits, or change to engine Opera- tion, or alarm may be manually reset via keypad or by turning the unit off, then back on again.
  • Page 234 06000 CONDENSER MOTOR2 OVERHEATED - CONTINUED 6. Check Condenser Fan Motors Disconnect power plug at motor. Test IP circuit for continuity using ohmmeter. If IP remains open after a 30 minute cool down period, and motor feels cool to the touch, remove and replace motor. If closed, then an intermittent IP circuit is suspect.
  • Page 235: Check Light Bar

    06001 CHECK LIGHT BAR • ACTIVATION: A problem has been detected in the light circuit (LB). If this alarm is activated while the cir- cuit is energized, the circuit is detected shorted. If this alarm is activated at any other time, the circuit is detected open.
  • Page 236: 07001 Economizer Press Sensor

    07001 ECONOMIZER PRESS SENSOR • ACTIVATION: Economizer Pressure (ECOP) sensor is out of range. • UNIT CONTROL: Engine and Electric: Alarm only. Economizer forced to STANDARD mode when alarm is active. • RESET CONDITION: Economizer Pressure sensor is in range or alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.
  • Page 237: P11000 Check Condenser Fan Motor 2

    P11000 CHECK CONDENSER FAN MOTOR 2 • ACTIVATION: 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 Electric Operation: Pretrip will fail and display “PRETRIP FAIL AND COM- PLETED”.
  • Page 238: 20101 No Comm From Micro To Remote Display

    20101 NO COMM FROM MICRO TO REMOTE DISPLAY • ACTIVATION: If alarm 21100 “NO COMM FROM ANY BOARD TO MAIN MICRO“ is not active, and Num- ber of Remote Panels installed configuration is 1, and no sync responses have been received from the Remote Panel Module for 10 seconds.
  • Page 239: 21100 No Comm From Any Board To Main Micro

    21100 NO COMM FROM ANY BOARD TO MAIN MICRO NOTE This alarm will be available in the inactive alarm list and download only. It is an indication that an intermittent problem has occurred and a careful diagnosis is required. • ACTIVATION: Main microprocessor cannot communicate with any modules over the CAN bus. •...
  • Page 240: 22101 Sensor Input Voltage Low Inp1

    22101 SENSOR INPUT VOLTAGE LOW INP1 NOTE This alarm is an indication that there is a short in the transducer or DC current transformer wiring and the voltage supply in the main microprocessor is overloaded. • ACTIVATION: Voltage from main microprocessor to the components is less than 4.5 VDC •...
  • Page 241: 22102 Sensor Input Voltage High Inp1

    22102 SENSOR INPUT VOLTAGE HIGH INP1 NOTE This alarm is an indication that there is a short in the DC current transformer wiring from another (nominal 12 VDC) circuit into the transducer or CT sensor circuit. • ACTIVATION: Voltage from main microprocessor to the sensors is greater than 5.5 VDC •...
  • Page 242: 23100 No Comm From Micro To Outpbd1

    23100 NO COMM FROM MICRO TO OUTPBD1 • ACTIVATION: Main microprocessor cannot communicate internally. • UNIT CONTROL: Engine and Electric Operation: Shutdown all modules except the display and alarm. (The alarm will only display if the display module is communicating.) Main microprocessor status LED will illuminate steady green (not pulsing).
  • Page 243: 24100 No Comm From Micro To Ccb1

    24100 NO COMM FROM MICRO TO CCB1 • ACTIVATION: Alarm 21100 is not active, and Unit is not starting in diesel. No communication from the CCB1 Module for 10 seconds. • UNIT CONTROL: Engine and Electric Operation: Required Shutdown. If alarm remains active for 2 min- utes issue a shutdown command to all modules except the display.
  • Page 244: Sensor Input Voltage High Ccb1

    24102 SENSOR INPUT VOLTAGE HIGH CCB1 • ACTIVATION: The Voltage Supply for the Sensors on the CCB1 is above High voltage limit 5.5V • UNIT CONTROL: Engine and Electric Operation: Alarm Only. • RESET CONDITION: The Voltage Supply for Sensors on CCB1 is below the High voltage limit 5.5V NOTE: Follow the steps below until a problem is found.
  • Page 245: Sensor Input Voltage Low Ccb2

    24201 SENSOR INPUT VOLTAGE LOW CCB2 • ACTIVATION: The Voltage Supply for the Sensors on the CCB2 is below the low voltage limit 4.5V • UNIT CONTROL: Engine and Electric Operation: Alarm Only. • RESET CONDITION: The Voltage Supply for Sensors on the CCB2 is above low voltage limit 4.5V NOTE: Follow the steps below until a problem is found.
  • Page 246: No Comm From Micro To Stp1

    25100 NO COMM FROM MICRO TO STP1 • ACTIVATION: Main microprocessor cannot communicate with stepper valve module over the CAN bus. • UNIT CONTROL: Engine and Electric Operation: Shut down and alarm. The stepper valve module status LED may be on steady green (not pulsing) or red. •...
  • Page 247: Over Current Stp1

    25101 OVER CURRENT STP1 • ACTIVATION: The stepper current is reported to be too high by stepper board 1 (Indicated by Stepper Output Voltage < 5V) for 3 Seconds as timed at stepper board. • UNIT CONTROL: Engine and Electric Operation: Alarm only. Steppers on board with problem disabled (Powered OFF) until good power reported from Stepper Board at which point they are re−enabled.
  • Page 248: No Comm From Micro To Stp2

    25200 NO COMM FROM MICRO TO STP2 • ACTIVATION: Alarm 21100 is not active and No sync responses have been received from the Stepper 2 Module for 10 seconds. • UNIT CONTROL: Engine and Electric Operation: Required Shutdown. If alarm remains active for 2 min- utes issue a shutdown command to all modules except the display.
  • Page 249: No Comm From Micro To Encu

    26100 NO COMM FROM MICRO TO ENCU • ACTIVATION: Main microprocessor cannot communicate with the engine control unit over the CAN bus. • UNIT CONTROL: Engine Operation: Shutdown and alarm. Electric Operation: Will not activate in electric operation. • RESET CONDITION: Auto reset when CAN communication is restored, alarm reset or alarm may be manually reset by turning the unit off, then back on again.
  • Page 250: Water Temp Low Encu

    26102 WATER TEMP LOW ENCU • ACTIVATION: Voltage of water temperature sensor is 0.1 V or less • UNIT CONTROL: Engine Operation: Alarm only. Electric Operation: Will not activate in electric operation. • RESET CONDITION: If trigger on message not received for 5 seconds, alarm reset or alarm may be manually reset by turning the unit off, then back on again.
  • Page 251: Engine Overrun Encu

    26105 ENGINE OVERRUN ENCU • ACTIVATION: Engine speed > 2070 min−1 (rpm) • UNIT CONTROL: Engine Operation: Required Shutdown. Electric Operation: Will not activate in electric operation. • RESET CONDITION: If trigger on message not received for 5 seconds, alarm reset or alarm may be manually reset by turning the unit off, then back on again.
  • Page 252: Rack Position Sensor Abnormal

    26108 RACK POSITION SENSOR ABNORMAL • ACTIVATION: Sensor voltage > 4.9 V or < 0.3V • UNIT CONTROL: Engine Operation: Alarm only. Electric Operation: Will not activate in electric operation. • RESET CONDITION: If trigger on message not received for 5 seconds, alarm reset or alarm may be manually reset by turning the unit off, then back on again.
  • Page 253: Engine Speed Sensor Abnormal

    26110 ENGINE SPEED SENSOR ABNORMAL • ACTIVATION: Engine speed = 0 min−1 (rpm) • UNIT CONTROL: Engine Operation: Required Shutdown. Electric Operation: Will not activate in electric operation. • RESET CONDITION: If trigger on message not received for 5 seconds, alarm reset or alarm may be manually reset by turning the unit off, then back on again.
  • Page 254: Section Layout

    SECTION 8 - SERVICE PARAGRAPH NUMBER Page SECTION LAYOUT ............8–1 SCHEDULED MAINTENANCE .
  • Page 255: Section 8 - Service

    Unit uses R404A and POE oil. The use of inert gas brazing procedures is manda- When performing service or maintenance tory for all Carrier Transicold refrigera- procedures: ensure any two way commu- tion units; otherwise compressor failure nication is disabled in accordance with will occur.
  • Page 256: Table 8-1 Maintenance Schedule

    Cooling System 1. Check coolant change interval (refer to Section c. of this Section 8.5.14 table). If replacement is not required, check antifreeze con- centration using a refractometer, (Carrier Transicold P/N 07- 00435-00). 2. Clean condenser/radiator surfaces Section 8.5.14 3. Check water pump Check 4.
  • Page 257 Table 8–1 Maintenance Schedule System Operation Reference Section Unit 1. Check unit mounting bolts Check 2. Check engine and compressor mounting bolts Check 3. Check door latches & hinges Section 8.4.4 4. Check condition of water pump belt Check Refrigeration 1.
  • Page 258: External Surface Service

    EXTERNAL SURFACE SERVICE b. Solenoid Procedures for servicing or maintaining the automatic 1. Ensure the unit will not start automatically by fresh air exchange, grille, surround, doors, door latches disabling any two way communication and plac- and display module are provided in the following sub- ing the STOP/RUN-OFF switch in the OFF posi- paragraphs.
  • Page 259: Surround Removal

    1. Ensure the unit will not start automatically by 8.4.4 Door Latch Maintenance and Replace- disabling any two way communication and plac- ment ing the STOP/RUN-OFF switch in the OFF posi- a. Door Latch Maintenance tion. Disconnect the high voltage source and lockout/tagout the receptacle.
  • Page 260: Engine And Engine Related Systems Service

    ENGINE AND ENGINE RELATED SYSTEMS 8.5.1 Fuel System SERVICE The fuel system consists of the fuel tank, mechanical fuel pump, fuel filter, fuel injection pump, the injectors Procedures for servicing the engine, fuel system, and interconnecting tubing. The fuel system may also engine cooling system and air cleaner are provided in be equipped with an optional electric pump and/or the following sub-paragraphs.
  • Page 261: Priming The Fuel System

    8.5.2 Priming the Fuel System Figure 8.6 Mechanical Fuel Pump The mechanical fuel pump (See Figure 8.6) is mounted on the engine next to the injection pump (See Figure 8.8). This pump has a manual plunger for prim- ing the fuel system when the fuel tank has been run dry.
  • Page 262: Electric Fuel Pump Screen

    Figure 8.8 Engine Components 1, 2 1. Engine Preheater (EPH) 6. Fuel/Speed Actuator (FSA) 2. Engine Coolant Temperature Sensor 7. Engine Speed Sensor (ENSSN) (ENCT) (Behind Engine Preheater) 8. Engine Oil Pressure Switch (ENOPS) 3. Rack Position Sensor (RPS) 9. Mechanical Fuel Pump * Engine Control Unit 4.
  • Page 263: Suction Side Fuel Filter Replacement

    Figure 8.9 Suction Side Fuel Filter 2. Place a shallow pan under filter (Figure 8.9). Remove the vent cap and open the drain valve to drain the fuel below the collar level. 3. Remove the collar then remove the clear cover. 4.
  • Page 264: Fuel Heater

    Figure 8.10 Fuel Level Sensor 1. Fuel Level Sensor 10. White Wire (Connection C) 2. Gasket 11. Black Wire (Connection B) 3. Focus Tube 12. Red Wire (Connection A) 4. Sensor Flange 13. Ground (Shield) 5. Fuel Level Sensor Flange 14.
  • Page 265: Engine Oil And Oil Filter

    8.5.9 Engine Oil and Oil Filter Figure 8.12 Oil Drain Tool a. To Check The Engine Oil Level: 1. Warm up the engine and then stop it by placing the STOP/RUN-OFF switch in the OFF position. Disconnect the high voltage source and lockout/ tagout the receptacle.
  • Page 266: Figure 8.13 Engine Preheater

    An air cleaner service indicator is connected to the b. Replacing The Engine Preheater intake manifold. Its function is to indicate when the air 1. Ensure the unit will not start automatically by cleaner filter element requires replacement. During disabling any two way communication and plac- operation: when a plugged filter element causes the ing the STOP/RUN-OFF switch in the OFF posi- intake manifold pressure to drop to 20”...
  • Page 267 To Start the Rack Position Sensor Calibration Proce- WARNING dure: 1. Put the system into Technician Mode, refer to Do not remove the cap from a hot coolant Section 5.2. system; if the cap must be removed, do 2. Select the Component Calibration Mode Soft so very slowly in order to release the key.
  • Page 268: Figure 8.14 Condenser And Radiator Assemblies

    Figure 8.14 Condenser and Radiator Assemblies The water pump v-belt is driven by a sheave on the engine crankshaft. Frayed, cracked or worn belts must be replaced. This belt requires no tension adjustment. To Replace the Poly V-belt: 1. Ensure the unit will not start automatically by disabling any two way communication and plac- ing the STOP/RUN-OFF switch in the OFF posi- tion.
  • Page 269: Figure 8.17 Refrigeration System Service

    REFRIGERANT SYSTEM SERVICE NOTE Service of the refrigerant system includes: connection To avoid damage to the earth’s ozone layer, of refrigerant system equipment, servicing the refriger- use a refrigerant recovery system whenever ant charge, leak checking and evacuation. Procedures removing refrigerant from a refrigeration sys- tem.
  • Page 270 6. If gauge reading is not close to the calculated d. Pumping Down The Low Side saturation pressure in step 5, noncondensibles Components on the low side of the refrigeration system or mixed refrigerants are present. (the filter drier, EVXV, ECXV, evaporator coil, CSMV, 7.
  • Page 271 10. After making necessary repairs, leak check and the bottom of the glass. If the unit is not operat- evacuate the low side of the refrigeration sys- ing, when approximately 5 lbs. (2.3 kg) have tem. (Refer to Section 8.6.3 Section 8.6.4.) been removed close the cylinder valve and...
  • Page 272 8.6.3 Leak Checking WARNING WARNING Only a refrigerant cylinder containing R404A should be connected to this refrig- Never use air or gases containing oxygen eration unit in order to pressurize the sys- for leak testing or operating refrigerant tem. However, dry nitrogen may be used to compressors.
  • Page 273 c. Leak Checking With Low Side Pumped Down 6. The recommended procedure for finding leaks from a system is with an electronic leak detector. The low side of the system must be leak checked once Checking joints with soapsuds is satisfactory it is closed and all repairs complete.
  • Page 274 Wait a few minutes to ensure the vacuum holds. gauge, Carrier Transicold part number 07- 9. Break the vacuum with dry nitrogen through the 00414-00.
  • Page 275 11. Open the vacuum pump valve and start the 8. Purge nitrogen from the low side of the system pump. Evacuate unit to 500 microns. Close the at the suction service valve. vacuum pump valve and shut off the pump. Wait 9.
  • Page 276: Figure 8.18 Compressor Kit

    COMPRESSOR SERVICE 1. Remove refrigerant charge. Refer to Section 8.6.2 WARNING 2. Ensure the unit will not start automatically by disabling any two way communication and plac- ing the STOP/RUN-OFF switch in the OFF posi- Before removal of the compressor, relieve the internal pressure by very carefully tion.
  • Page 277: Refrigerant System Component Service

    15. Install the four base−mounting bolts loosely. NOTE 16. Place new Teflon seals at the compressor suc- Inspect the power plug terminals to ensure tion and discharge ports. Apply a slight amount they are not deformed or have any signs of of mineral oil (alkylated benzine oil CTD P/N heat or arcing.
  • Page 278 Cardboard fiber particles after being wetted and dried inert gas brazing procedures is manda- several times can be very hard to remove. Therefore, tory for all Carrier Transicold refrigera- several washings may be necessary. tion units; otherwise compressor failure will occur. For more information Refer to 1.
  • Page 279: Figure 8.20 Condenser/Radiator Assembly

    Figure 8.20 Condenser/Radiator Assembly 1. Condenser/Radiator Assembly 6. Ambient Air Temperature Sensor (ATT)\ 2. Condenser Frame 7. Condenser/Radiator Assembly Mounting Bolts 3. Condenser Coil 8. Radiator Frame Mounting Bolts 4. Radiator 9. Radiator Mounting Brackets 5. Radiator Frame 10. Condenser Coil Mounting Brackets - - - - - 8.8.3 Filter-Drier...
  • Page 280: Figure 8.21 Economizer Section

    8.8.5 Economizer Heat Exchanger 6. Unbraze four lines at the economizer connec- tions. 1. Pump down the low side. Refer to Section 8.6.2. 7. Note orientation of economizer (mounted with 2. Ensure the unit will not start automatically by connection markings upside−down). Remove disabling any two way communication and plac- economizer heat exchanger, bolt replacement ing the STOP/RUN-OFF switch in the OFF posi-...
  • Page 281: Figure 8.22 Suction Modulation Valve

    8.8.6 Compressor Suction Modulation Valve 2. Set the step rate to 150 steps per second and (CSMV) either open or close the valve. Each red LED should light sequentially until all four are illumi- The purpose of the CSMV (see Figure 8.22) is to main- nated.
  • Page 282: Figure 8.24 Evaporator Expansion Valve

    (if a 5 pin tester cable is required, order YELLOW Carrier Transicold part number 07−00375−11.) 2. Set the step rate to 50 steps per second and BLACK either open or close the valve. Each red LED...
  • Page 283: Figure 8.25 Evaporator Expansion Valve

    c. Diagnostics − Valve 2. Start the unit, set the step rate to 200 steps per second, open and close the valve while watch- NOTE ing the suction pressure. Within one minute the If the valve failed Pretrip and passed the pre- suction pressure should begin to fall.
  • Page 284: Figure 8.26 Solenoid Valve

    8.8.8 Liquid Injection Solenoid Valve 2. Remove the armature tube, taking care the armature and spring do not drop out. a. Replacing the Coil: 3. Ensure the spring is properly seated in the armature and install into the armature tube. NOTE 4.
  • Page 285: Figure 8.27 Testing High Pressure Switch

    b. Checking High Pressure Switch 8.8.10 Pressure Transducers The compressor discharge pressure transducer (CDP) WARNING has a range of 0 to 500 PSIG (0 to 34.0 bar) while the compressor suction pressure transducer (CSP), evapo- rator outlet pressure transducer (EVOP), and econo- Do not use a nitrogen cylinder without a mizer pressure transducer (ECOP) have a range of - pressure regulator.
  • Page 286: Figure 8.28 Defrost Air Switch Test Setup

    6. High Side Connection NOTE - - - - - Use a hand aspirator (Carrier Transicold part NOTE number 07-00177-01), since blowing into tube If the DTT temperature is above 40°F by mouth may cause an incorrect reading.
  • Page 287: Figure 8.29 Power Control Module

    ELECTRICAL SYSTEM COMPONENT SER- 8. Note a component legend sticker is to be VICE located inside the PCM door. Install the correct sticker (packaged with the replacement PCM) Procedures for servicing or maintaining the electrical for this unit inside the replacement PCM. The system components are provided in the following sub- replacement PCM is populated at the factory paragraphs.
  • Page 288 8.9.3 Stepper Valve Module (SVM) 8.9.5 Contactor Control Board (CCB) 1. Ensure unit will not start automatically by dis- The two Contactor Control Boards, CCB1 & CCB2 are located behind the control box. To service a CCB do abling any two way communication, placing the the following: STOP/ RUN-OFF switch in the OFF position and removing the negative battery cable.
  • Page 289: Figure 8.30 Ccb Location In Control Box

    9. Slide the sub panel towards the front of the box Figure 8.31 CCB Location in Control Box until the panel clears the lower studs, then tip the sub panel out on the control box, see Figure 8.30 (CCB2 is removed for clarity). Figure 8.30 CCB Location in Control Box 12.
  • Page 290: Figure 8.32 Meghommeter Connection To Ground Plate

    8.9.6 Megohmmeter Test Procedure 3. Begin by testing the generator and interconnect- ing wiring. To do this, connect the remaining tes- This instruction will aid in the check of the electrical ter lead to the GENCON contactor at terminal insulation integrity and connections using a resistance L1.
  • Page 291: Figure 8.33 Light Bar Connections

    8.9.7 Light Bar 2. If AL00100 alarm is present and the fault LED (on the module) is not illuminated, it means that The light bar may be tested using a 12 VDC source. To the module has detected an overcurrent. Verify test the light bar: the current readout on the unit data.
  • Page 292 8.9.9 Evaporator Heaters 1. Ensure the unit will not start automatically by disabling any two way communication and plac- NOTE ing the STOP/RUN-OFF switch in the OFF posi- A good preliminary test of the heaters is to tion. Disconnect the high voltage source and run a Pretrip and check for heater alarms.
  • Page 293: Figure 8.35 Evaporator Blower Assembly

    Figure 8.35 Evaporator Blower Assembly 1. Access Panel 6. Motor 2. Grille 7. Stator 3. Nozzle 8. Mounting Brackets 4. Supply Air Sensor 9. Support Bracket 5. Blower Assembly - - - - - 8.9.11 Condenser Fan Assemblies 5. Complete the assembly in reverse order of removal.
  • Page 294: Figure 8.36 Condenser Fan Assembly

    Figure 8.36 Condenser Fan Assembly 4 PLCS. 1. Condenser Fan Assembly 6. Fan 2. Divider 7. Motor 3. Shroud 8. Welded Support 4. Frame 9. Wire Routing 5. Fan & Motor Assembly - - - - - 8.9.12 Battery Charger (BTYC) If charging current is between 3 and 20 Amps, for 20 amp (single phase) chargers, or 3 and 40 NOTE...
  • Page 295: Figure 8.37 Generator / Unidrive Assembly

    8.9.13 Generator NOTE Always test suspect generators with a meg- a. Preventive Maintenance and Operating Precau- ohmmeter. (Refer to Section 8.9.2.) tions WARNING WARNING Be aware of HIGH VOLTAGE supplied at Generators of this type should not be the power plug or from the generator. “flashed.”...
  • Page 296: Figure 8.38 Exhaust Connection Disassembly

    c. Generator Removal 14. Remove engine end unidrive mount at the rear, (toward trailer) and then loosen the remaining 1. Ensure the unit will not start automatically by unidrive mount sufficient to allow the unidrive to disabling any two way communication and plac- rotate.
  • Page 297: Figure 8.41 Generator, Flywheel View

    0.5 in (12.7mm) 21. Remove the center (fan) mounting bolt and washer and remove the fan. WARNING A mica shim (Carrier Transicold part DOWEL number 54−00630−25) must be installed 8 O’CLOCK 5 O’CLOCK before removal of the generator. The gen- erator is to be removed as one piece, with the shim in place.
  • Page 298: Figure 8.44 Generator Wires

    d. Generator Assembly Procedure 33. Prepare the replacement generator power wires by installing four crimp splices (see Figure 26. Verify the existence and condition of the two 8.44), one on each wire, and then route the original dowel pins in the bell housing. (See Fig- wires through the cover grommet.
  • Page 299: Figure 8.46 Positive Starter Wire Installation

    38. If equipped, reconnect the Generator Thermis- 1. Ensure the unit will not start automatically by tor. disabling any two way communication and plac- ing the STOP/RUN-OFF switch in the OFF posi- 39. Reconnect the radiator hose “p” clamp. tion. Disconnect the high voltage source and 40.
  • Page 300: Table 8-3 Sensor Resistance

    Table 8–3 Sensor Resistance Sensors AAT, RAT, SAT, ENCT, DTT, CST, EVTO, REMSN 1, 2, & 3 °F °C Ohms °F °C Ohms °F °C Ohms °F °C 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...
  • Page 301: Table 8-4 Sensor Resistance (Cdts)

    Table 8–4 Sensor Resistance (CDTS) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 2,889,600 64.4 117,656 168.8 12,306 273.2 2,335 -36.4 2,532,872 68.0 107,439 172.4 11,524 276.8 2,223 -32.8 2,225,078 71.6 98,194 176.0 10,793 280.4 2,119 -29.2 1,957,446 75.2...
  • Page 302: Table 8-5 Temperature Pressure Chart

    Table 8–5 Temperature Pressure Chart Temperature Pressure Temperature Pressure °C °F PSIG °C °F PSIG 72.5 75.6 78.8 12.9 82.1 16.3 85.5 17.7 89.0 19.2 92.5 20.7 96.2 22.3 99.9 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...
  • Page 303 SECTION 9 - UNIT TROUBLESHOOTING PARAGRAPH NUMBER Page ENGINE ..............9–1 9.1.1 Engine Will Not Start...
  • Page 304 SECTION 9 UNIT TROUBLESHOOTING Should a problem develop with these components, contact your nearest Carrier Transicold dealer for replacement. NOTE Run a Pretrip and check all active alarms before continuing with troubleshooting. ENGINE Indication/Trouble Possible Causes Action / Reference 9.1.1...
  • Page 305 Indication/Trouble Possible Causes Action / Reference 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 Section 8.5.5 Plugged inlet screen to mechanical pump Section 8.5.3 Plugged inlet screen to electric pump Section 8.5.4...
  • Page 306 Indication/Trouble Possible Causes Action / Reference 9.1.6 Miscellaneous Engine Troubleshooting Air cleaner or hose restricted Section 8.5.10 Air in fuel system Section 8.5.2 Air vent restricted in fuel tank cap Clean Restricted fuel lines Engine Manual Loss of power Defective fuel injection pump Engine Manual Defective injector(s) or incorrect type Engine Manual...
  • Page 307 BATTERY CHARGER Indication/Trouble Possible Causes Action / Reference Short in 12 volt wiring causing overload of charger Section 8.9.12 F33, F34, F35 fuse blown Internal short Section 8.9.12 Bad cell in battery Test battery for de- fect according to Charging rate does not taper back battery manufactur- after charging for a few minutes of er’s instructions...
  • Page 308 REFRIGERATION / TEMPERATURE CONTROL Indication/Trouble Possible Causes Action / Reference 9.4.1 Unit Will Not Cool Compressor contactor defective Check Compressor malfunction Compressor defective Section 8.7 A defrost cycle did not terminate. Check DTT Section 8.9.15 Refrigeration system Abnormal pressure Section 9.4.8 Check system for noncondensibles Section 8.6.2 9.4.2...
  • Page 309 Indication/Trouble Possible Causes Action / Reference 9.4.5 Unit Will Not Heat Or Has Insufficient Heating Heater(s) defective Section 8.9.4 Heater contactors or coil defective Replace Defective wiring / connectors Replace Unit will not heat or has insuffi- Loose terminal connections Tighten cient heat Low voltage...
  • Page 310 Indication/Trouble Possible Causes Action / Reference 9.4.8 Abnormal Pressure - Cooling Condenser coil dirty Section 8.8.2 Condenser fans rotating backwards Check Wiring Refrigerant overcharge or noncondensibles Section 8.6.2 High discharge pressure Discharge service valve partially closed Open Stuck Open Economizer Valve Section 8.8.7 Stuck Open LIV Section 8.8.8...
  • Page 311 Indication/Trouble Possible Causes Action / Reference 9.4.11 Expansion Valve (EVXV) Malfunction Low refrigerant charge Section 8.6.2 EVOT defective Section 8.9.15 Coil not seated properly on valve Section 8.8.10 Valve or Valve Coil defective Section 8.8.7 EVXV not controlling correctly EVOP defective Check EVXV inlet screen plugged Check/Replace...
  • Page 312 SECTION 10 - WIRING PARAGRAPH NUMBER Page 10.1 HARNESS CONNECTOR WIRING ..........10–1 10.2 HARNESS CONNECTORS, CONTROL BOX...
  • Page 313 SECTION 10 WIRING 10.1 HARNESS CONNECTOR WIRING NOTE All illustrations provided in this Section are looking at the connector connection end (with the wires in the back). BLACK WHITE Component Terminal PCM 19 Component Terminal HVB7 C SP 25 SP 15 SATPWR A HVB7 D LB B...
  • Page 314 BLACK GRAY Component Terminal Component Terminal AAT B LIV 1 AAT A LB H DP16 G DP16 H SP 29 DP16 C SS A DP16 D PCM 26 DP16 E PCM 27 CDT B PCM 23 CSP 3 SP 23 CDP 3 PCM 17 DP16 B...
  • Page 315 2SVM BLUE 1SVM BLACK Component Terminal Component Terminal CSMV A SP 15 CSMV B ES D CSMV C DM 1 CSMV D ES C DP16 N SP 13 DP16 J SP 16 DP16 K SP 14 DP16 L DM 10 DP16 M Unused terminals: None SP 17...
  • Page 316 3SVM BLUE BLACK Component Terminal ECXV E ECXV A ECXV B ECXV C Component Terminal ECXV D 1SVM 3 SP 17 ES H SP 18 SATCOM B 3SVM 32 ES G 3SVM 31 J1 A Unused terminals: 6 to 10, 12 to 21, 23 to 30, 33, SATCOM C 34 &...
  • Page 317 ENCU HVB7 From Terminal SP 15 SP 16 1MM 2 1MM 4 PCM 10 PMC 15 SP 14 SP 13 Component Terminal SP 10 ENCT B SP 23 ENSSN 2 Unused Terminals: None ENCT A RPS 3 ENOPS A ENOPS B ENCU GND A ENSSN 1 SP 18...
  • Page 318 HVB8 DP16 Engine Harness Connector Shown From Terminal From Terminal (Evaporator REM E Component) REM G 2MM 22 1DTT B REM J 2MM 11 1DTT A SP 26 2MM 5 1SAT A Unused Terminals: E & F 2MM 6 1SAT B 2MM 7 EVOT A 2MM 18...
  • Page 319 Splice Point No. Component Splice Point No. Component GND RING1 CSP 2 SATPWR B ECOP 2 SP 20 (+5v Power) LIV 2 CDP 2 (negative) DP16 R SP 10 LB G HVB7 K (Ground) SP 23 FH B HPS A (Power) AFAS B 3MM 16...
  • Page 320 10.2 HARNESS CONNECTORS, CONTROL BOX 1CCB 2CCB Component Terminal Component Terminal SP 62 HVB9 3 CCON A1 SP 60 SP 52 SP 61 HVB6 8 SP 52 HVB5 6 HVB6 3 HVB5 3 2CCB6 SP 63 SP 59 HTCON2 A1 SP 57 SP 55 HVB9 2...
  • Page 323 INDEX Numerics Data Transfer USB Memory Device 5–7 Data, Component Resistance & Current Draw 2–16 1DTT 2–8 Data, Compressor 2–14 1RAT 2–8 Data, Electrical 2–15 1SAT 2–9 Data, Engine 2–14 Data, Refrigeration System 2–15 DataLink Data Recorder Power-Up 3–14 AAT 2–7 DataLink Data Recorder Via TRU-Tech 5–15 AC Current Sensor 2–11 Defrost 4–8...
  • Page 324 EVOT 2–8 EVXV 2–8 Notice Statements 1–2 External Surface Service 8–4 Null Mode 4–7 Filter-Drier 2–7 Operating Controls, Automatic Start-Stop 2–9 Fuel Heater 2–13 8–10 Operating Controls, Component Description 2–9 Fuel Level Sensor 2–13 Operating Controls, Special Features 2–9 Fuel System 8–6 Operation, Continuous 3–13 Fuel/Speed Actuator (FSA) 2–6 Operation, Start-Stop 3–12...
  • Page 325 Remote Temperature Sensor 2–13 Replacing the Receiver Sight Glass or Fusible Plug 8–25 Technician Hour Meters 5–2 Re-Start Parameters 4–5 Technician Mode 5–1 RPS 2–6 Temperature Control 4–6 Temperature Determination 4–6 Temperature Range Lock 1 & 2 4–10 Safety Decals 1–6 Transducer, Compressor Discharge Pressure (CDP) 2–...
  • Page 326 Athens, GA 30601 USA Colonia Anahuac Tel: 1-706-357-7223 11320 Mexico, D.F. Fax: 1-706-355-5435 Tel: 55315010 Fax: 55315010 ext. 1005 Carrier Transicold Division, Carrier Corporation A member of the United Technologies Corporation. P.O. Box 4805 Stock symbol UTX. Syracuse, NY 13221 USA www.carrier.transicold.com...

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