Fujitsu AMUG24LMAS, Service Manual

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Inverter error
YES
NO
OK
Check Point 1-2 : External cause
Error information is received
from outdoor unit inverter PCB
1. External cause.
2. Power supply to filter PCB to inverter PCB
wiring disconnection, open
3. Filter PCB failure
4. Inverter PCB failure
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 (power supply to filter PCB to inverter PCB)
Connector and wiring connection state check
Cable open check
Replace filter PCB, main PCB and inverter PCB.
Check Point 1-1 :
Turn power on again?
Error displayed again?
Check Point 3 : Replace filter PCB (INV) and inverter PCB
03-22
Troubleshooting 15
Detective details:
Inverter PCB
Detective actuators:
Forecast of cause :
Indicate or Display:
Indoor unit
Operation lamp: 6 times Flash,
Timer lamp : 3 times Flash
Wired remote
Error code : [E : 63]
n: n times blinking : Light ON : Light OFF
Mode Error
2 6
3
Outdoor unit (AOUG36/48LMAS1)
A B F E D C