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Troubleshooting by Indication on the Remote Controller
SiUS28-902_a
131
Troubleshooting
3.36 “
U2
” Power Supply Insufficient or Instantaneous Failure
Remote
Controller
Display
U2
Applicable
Models
RZQ18~30PVJU
Method of
Malfunction
Detection
Detection of voltage of main circuit capacitor built in the inverter and power supply voltage.
Malfunction
Decision
Conditions
When the abnormal voltage of main circuit capacitor built in the inverter and abnormal power
supply voltage are detected.
Supposed
Causes
Power supply insufficient
Instantaneous power failure
Defect of outdoor unit fan motor
Defect of outdoor control P.C.B. (A1P)
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...