Fujitsu AOYG45LAT8 User Manual page 80

Trouble shooting 15
OUTDOOR UNIT Error Method:
Inverter Error
Detective Actuators:
Inverter PCB
Main PCB
Filter PCB
Forecast of Cause :
1. External cause
2. Power supply line & Communication line to Filter PCB to Inverter PCB wiring disconnection, open
3. Inverter PCB failure
4. Main PCB failure
5. Filter PCB failure
Check Point 1-1 :
Turn the power on again.
Error displayed again?
OK
Check Point 2 : Check the wiring
(Inverter PCB to Main PCB, Inverter PCB to Filter PCB)
Connector and wiring connection state check
Cable open check
OK
Check Point 3 : Replace Inverter PCB
If Check Point 1,2 do not improve the symptom, replace Inverter PCB(Outdoor unit),
and execute the check operation again.
OK
Check Point 4 : Replace Main PCB
If Check Point 3 do not improve the symptom, replace Main PCB(Outdoor unit),
and execute the check operation again.
OK
Check Point 5 : Replace Filter PCB
If Check Point 4 do not improve the symptom, replace Filter PCB(Outdoor unit),
and execute the check operation again.
Indicate or Display:
Outdoor Unit : E. 63. 1
Indoor Unit : Operation LED 6 times Flash, Timer LED 3 Times Flash,
Economy LED Continuous Flash.
Error Code : 63
Detective details:
Error information received from Inverter PCB
NO 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.
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