Troubleshooting Guide
Check of power source.
Check of control panel setting.
Fails to Start
Check of circuit breaker and fuse.
Check control panel.
Compressor fails only to start.
Drop of power voltage.
Defect of compressor capacitor.
Capacitor check.
Replacement.
Improper thermistor setting
Loose terminal connection
Improper wiring
Fan only fails to start.
Improper wiring.
Defect of fan motor capacitor.
Irregular motor resistance (Ω ) Irregular motor insulation (Ω )
Replacement of fan motor.
Irregular motor resistance (Ω )
Irregular motor insulation (Ω )
Replacement of compressor (Motor damaged).
Regular but fails to start.
Replacement of compressor. (Locking of piston, metal.)
21 Room Air Conditioner
