Fails to Start

Check voltage power source.

Check control switch setting.

Compressor fails to start.

Drop of power voltage.

Defect of compressor or capacitor.

Capacitor check.

Replacement.

Check of circuit breaker and fuse.

Gas leakage of feeler bulb of thermostat.

Check control switch.

 

 

Fan fails to start.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper wiring.

Improper thermostat

 

 

 

 

setting

 

 

 

 

 

 

 

 

 

 

 

 

 

Defect of fan motor or

 

Loose terminal

 

capacitor.

connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Irregular motor

 

Improper wiring

 

resistance (Ω)

 

 

Irregular motor

 

 

 

insulation (Ω)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacement of fan motor.

 

 

 

 

Irregular motor resistance (Ω)

Irregular motor insulation (Ω)

Replacement of compressor (Motor damaged).

Regular but fails to start.

Replacement of compressor.

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Friedrich CP05N10A manual Fails to Start