Power Supply Insufficient Or Instantaneous Failure; U2" Power Supply Insufficient Or Instantaneous Failure - Daikin RXYSQ4-5-6PA7V1B Service Manual

SiBE34-802
U2
3.42 " "

Power Supply Insufficient or Instantaneous Failure

U2
Remote
Controller
Display
Applicable RXYSQ4~6PA
Models
Method of Detection of voltage of main circuit capacitor built in the inverter and power supply voltage.
Malfunction
Detection
Malfunction When the abnormal voltage of main circuit capacitor built in the inverter and abnormal power
supply voltage are detected.
Decision
Conditions
Supposed
Causes
Troubleshooting
Power supply insufficient
Instantaneous power failure
Defect of outdoor unit fan motor
Defect of outdoor inverter PC board (A2P)
Troubleshooting by Indication on the Remote Controller
191