Fujitsu AOTG30KMTC, Service Manual, Page: 70 / 199

2-19. E: 63. Inverter error (Outdoor unit)
Indicator
Indoor unit
Operation indicator 6 time flash
Timer indicator 3 time flash
Economy indicator Continuous flash
Error code E: 63
outdoor unit
Refer to “Error code table (Outdoor unit: for 34 model
only)” on page 1
Detective actuator Outdoor unit Inverter PCB Error information received from inverter PCB
Forecast of cause
External cause
Power supply to filter PCB to inverter PCB wiring
disconnection or open
Filter PCB failure
Inverter 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 (power supply to filter PCB to inverter PCB)
• Connector and wiring connection state check
• Cable open check
↓
Check point 3. Replace filter PCB and inverter PCB
Replace filter PCB and inverter PCB
↓
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)
- (03-32) -
2. Troubleshooting with error code
TROUBLESHOOTING TROUBLESHOOTING