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Check power source.
Check control switch
setting.
Only compressor fails to
start.
Drop of power voltage.
Defect of compressor
capacitor.
Check capacitor.
Replacement.
Irregular motor resistance ( )
Irregular motor insulation ( )
Replacement of compressor
(Motor damaged)
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Only for training and service purposes
Fails to Start
Improper thermostat setting
Loose terminal connection.
Improper wiring
- 42 -
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)
LGE Internal Use Only
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