Troubleshooting Guide

Fails to Start

Check of power source.

Check of control switch setting.

Compressor only fails to start.

Drop of power voltage.

Check circuit breaker and fuse.

Gas leakage of feeler bulb of thermostat

Check of control switch.

Fan only fails to start.

Improper wiring.

Improper thermostat setting.

Defect of compressor capacitor.

Loose terminal connection.

Defect of fan motor capacitor.

Irregular motor resistance ().

Capacitor check.

Replacement

Improper wiring.

Irregular motor insulation ().

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).

Service Manual 25

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Image 25
LG Electronics HB8004RA4, L8004RY4, HB8004RB4, M1004R, M8004RY4, HB1004R service manual Fails to Start