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Carrier TRANSICOLD Vector 8500 User Manual

Carrier TRANSICOLD Vector 8500
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62-11640 7–116
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.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in Notes Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1. Check both active and inactive alarms for other “ NO COMM” alarms.
a. If more than one alarm, record all and proceed to step 2.
b. If this is the only alarm, check for continuity:
CAN Hi - Refer to Section 4.2 ; CAN Lo - Refer to Section 4.2.
If good continuity is not present, check connectors and wiring between terminals for damage,
moisture or corrosion. Repair if required.
c. Replace ENCU. Refer to Section 8.5.12
2. Check CAN bus
a. Inspect connector pins & terminals on 1MM and 1SVM. No damaged or corrosion in connections.
b. Check for CAN continuity:
CAN Hi - Refer to Section 4.2; CAN Lo - Refer to Section 4.2
If good continuity is not present, check connectors and wiring between terminals for damage,
moisture or corrosion.
3. Check system
Clear active and inactive alarms. Start unit and monitor for additional “NO COMM” alarms.
26101 ENGINE OVER HEAT ENCU
ACTIVATION: Engine water temperature > or = 262°F (128° C)
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.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in Notes Section, page 7-2.) Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1. Refer to 00012 HIGH COOLANT TEMPERATURE.

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Carrier TRANSICOLD Vector 8500 Specifications

General IconGeneral
BrandCarrier TRANSICOLD
ModelVector 8500
CategoryAutomobile Accessories
LanguageEnglish

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