Fujitsu AUUH18LUAS - E: 63.↓. Inverter Error (Outdoor Unit)

2-19. E: 63.X. Inverter error (Outdoor unit)
Indicator
→ired remote
controller
Error code E: 63
Detective actuator Outdoor unit Inverter PCB Error information received from inverter PCB
Forecast of cause
External cause
Power supply to inverter PCB wiring disconnection or
open
Inverter PCB failure
Outdoor unit main PCB failure
Check point 1. Turn the power on again?
If no, go to "Check point 1-2".
Error displayed again?

Check point 2. Check the wiring
• Connector and wiring connection state check.
• Cable open check.

Check point 3. Replace inverter PCB
Replace inverter PCB.

Check point 4. Replace main PCB
If check point 1 to 3 do not improve the symptom, change main PCB.
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End
Check point 1-2. Check external cause
• Check if temporary voltage drop was not generated.
• Check if momentary open was not generated.
• Check if ground is connection correctly or there are no related cables near the power line.

End
2-19. E: 63.↓. Inverter error (Outdoor unit) - (03-25) - 2. Troubleshooting with error code
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