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—15—
Fails to Start
Improper thermostat
setting
Loose terminal
connection
Improper wiring
Check power source.
Drop of power voltage.
Capacitor check.
Replacement.
Check control switch
setting.
Compressor fails only to
start.
Defect of compressor or
capacitor.
Replacement of compressor .
Irregular motor insulation (Ω)
Irregular motor resistance (Ω)
Check circuit breaker
and fuse.
Check thermostat.
Check control switch.
Fan only fails to start.
Improper wiring.
Defect of fan motor
capacitor.
Replacement of fan motor.
Regular but fails to start.
Replacement of compressor.
Irregular motor
resistance (Ω)
Irregular motor
insulation (Ω)