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