Inverter error
Outdoor unit Main PCB
Error information received from Outdoor unit Main PCB
1. External cause. 2. Power supply to Main PCB wiring disconnection, open
3. Outdoor unit Main PCB failure
Indicate or Display:
Detective Actuators: Detective details:
OUTDOOR UNIT Error Method:
Forecast of Cause :
OK
YESYES
NO
Check Point 1-1 : Turn the power on again?
Error displayed again?
Check Point 1-2: External cause
Check if temporary voltage drop was not generated.
Check if temporary open was not generated.
Check if ground is connected correctly or
there are no related cables near the power line.
Check Point 2 : Check the wiring
Connector and wiring connection state check
Cable open check
Check Point 3 : Replace Main PCB
Replace Outdoor unit Main PCB.
Error code : 63
02-20
Outdoor unit : No indication
Trouble shooting 19
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