Inverter error
Outdoor unit Inverter PCB
Error information received from Outdoor unit Inverter PCB
1. External cause. 2. Power supply to Inverter PCB wiring disconnection, open
3. Outdoor unit Inverter PCB failure 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 Inverter PCB
Replace Outdoor unit Inverter PCB.
OK
Check Point 4 : Replace Main PCB
Error code : 63
02-20
Trouble shooting 19
Outdoor unit :
n
: n times blinking
: Light ON: Light OFF
Mode Error L1 L2 L6L5L4L3
2 6
3
If Check Point 1~3 do not improve the symptom,
change Main PCB.
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