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Troubleshooting
Diagram 5:
Main test points:
● Whether the compressor wiring is connected correct?
● Is compressor broken?
● Is time for compressor stopping enough?
● Whether refrigerant was charged too much?
Power on the unit
Is stop time of the
compressor longer than
Restart it up after 3 minutes
Are the wires for the
connection sequence right?
Replace the control panel AP1
If the fault is eliminated?
Replace the
compressor
3 minutes?
End
compressor connected correctly? Is
If the fault is
eliminated?
If the fault is
eliminated?
Refer to the Electrical Wiring Diagram
and check if the connection between
AP1 and COMP is loose and if the
connection order is correct.
Whether refrigerant was
charged too much?
To charge refigerant
referring to service manual.
