LG Packaged Terminal Air Conditioner Service Manual page 52

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
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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)
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