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