Fails to Start

Check power source.

Check control switch setting.

Only compressor fails to start.

Drop in power voltage.

Defective compressor capacitor.

Check capacitor.

Replacement.

Check circuit breaker and fuse.

Gas leakage at feeler bulb of thermostat

Check control switch.

Only fan fails to start.

Improper wiring.

Improper thermostat setting Defect of fan motor capacitor.

Loose terminal connection.

Irregular motor resistance ( ).

Irregular motor insulation

( ). Improper wiring

Replacement of fan motor

Irregular motor resistance ()

Irregular motor insulation ( )

Replacement of compressor (Motor damaged)

Regular but fails to start

Replacement of compressor (locking of rotor, metal)

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Friedrich UE08, UE10, UE12, 115 Volts UE08 manual Fails to Start