Thermo King TriPac Envidia, Installation Manual

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Heater Start-Up Procedure
(Heat Option)
Heater Start-Up Procedures
NOTE: See Operating and Diagnostic Manual TK 56464-19-OD for further diagnosis and service procedures if
needed.
Special Tools Required
Heater Diagnostic Tool (204-1143)
Diagnostic Unit
The diagnostic unit is used to read out, display and delete faults stored in the heater's electronic control box. It may also
be used to start and run the heater.
•
The test duration is limited to a maximum of 120 minutes.
•
The electronic control box can store up to 5 faults.
•
The current fault is displayed as “AF” and a 2-digit number and is always written in memory location F1.
•
The stored faults “F1” to “F5” can be queried.
Connect the Diagnostic Unit
1. Verify the Heater harness is plugged into the J9 plug at the Evaporator/Control Box connector panel.
2. Connect the adapter harness to the Diagnostic Tool.
3. Connect the 8-pin diagnostic connector to the mating connector located on the heater harness inside the sleeper
near the heater.
NOTE: The two remaining adapter harness connectors shown in the illustration are not used.
Figure 36: Heater Diagnostic Connections