Friedrich ZQ10B10 Air Conditioner User Manual


 
16
Fails to Start
Check circuit breaker
and fuse.
Gas leakage of feeler bulb
of thermostat
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.
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.
Capacitor check.
Replacement
Compressor only fails to
start.
Defect of compressor
capacitor.
Check power source.
Check control switch
setting.