With terminals “T” and “C” connected, the compressor should start running and the system should start
cooling. In this case, the compressor control unit is functioning correctly. The compressor control unit
has now been eliminated as a possible fault.
The next step is to investigate a fault in the main circuit board, the control panel circuit board, the
thermistor or the wiring loom.
Before continuing, disconnect the fridge from the 12/24V DC power supply, remove the connecting
wire and refit the push on connectors to terminals “C”, “P” and “T”.
NOTE: During this test, the compressor should draw approximately 3 amps or greater
depending on the fridge model size.
NOTE: There may be a delay of approximately 10 seconds after connecting terminals “T” and
“C” before the compressor starts.
With terminals “T” and “C” connected, the compressor does not start. In this case, either the
compressor or the compressor control unit are likely to be faulty.
Replace the control unit (refer to section 9.5) and repeat the compressor control unit test.
If the compressor does not run with a new compressor control unit, the compressor may be seized.
While it is possible for the compressor to be seized, it is EXTREMELY unlikely.
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