SiBE281013
Symptom-based Troubleshooting
Service Diagnosis
89
2.5
After Unit Shuts Down, It cannot be Restarted for a While
Applicable Model
All models of SkyAir series
Supposed
Causes
Overcurrent relay (for compressor)
Overcurrent relay may act due to the following reasons
Lower voltage of power supply
Excess level of high pressure
Insufficient size of power cable
Defective compressor
Compressor protection thermostat
Compressor protection thermostat may act due to the following reasons
Internal leakage of four way valve (There is no difference between suction and discharge
temperature)
Insufficient compression of compressor
Incorrect refrigerant
Defective electronic expansion valve
Insufficient circulation of refrigerant
