Troubleshooting Guide

Failures to Start

Check power source.

Check control switch setting.

Compressor only fails to start

Drop of power voltage

Defect of compressor capacitor

Capacitor check

Replacement

Electric heater is not energized

Loose terminal connection.

Improper wiring

Check of circuit breaker and fuse.

Check control switch.

Fan only fails to start

Improper wiring

Defect of fan motor capacitor.

Irregular motor resistance ( ) Irregular motor insulation ( )

Replacement of fan motor.

Improper electric heater

 

Irregular motor resistance ( )

 

 

 

 

 

 

Regular but fails to start.

 

 

 

 

 

 

 

 

 

 

 

 

Irregular motor insulation ( )

Replacement of compressor

Replacement of electric heater

Replacement of compressor

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LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) service manual Troubleshooting Guide, Failures to Start