LG LP121CEM-Y8 - Manual (Page 40)

- 40 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Fails to Start
Check circuit breaker
and fuse.
Gas leakage of feeler bulb
of thermostat
Check control switch.
Only fan fails to start.
Improper wiring.
Defect of fan motor
capacitor.
Irregular motor resistance
( ).
Irregular motor insulation
( ).
Replacement of fan motor
Regular but fails to start
Replacement of compressor
(locking of rotor, metal)
Improper thermostat setting
Loose terminal connection.
Improper wiring
Irregular motor resistance ( )
Irregular motor insulation ( )
Replacement of compressor
(Motor damaged)
Drop of power voltage.
Check capacitor.
Replacement.
Only compressor fails to
start.
Defect of compressor
capacitor.
Check power source.
Check control switch
setting.