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