LG AB-H1208VA0 Service Manual page 13

Troubleshooting Guide
Check power source.
Check control switch
setting.
Compressor only fails to
start.
Drop of power voltage.
Irregular motor resistance
Irregular motor insulation
Replacement of compressor
Fails to Start
Electric heater is not energized
Loose terminal connection.
Improper wiring
( Ω )
Regular but fails to start.
( Ω )
Replacement of compressor.
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Check of circuit breaker
and fuse.
Check control switch.
Fan only fails to start.
Improper wiring.
Defect of fan motor
capacitor.
Irregular motor resistance
( Ω )
Irregular motor insulation
( Ω )
Replacement of fan motor.
Improper electric heater
Replacement of electric
heater.