Fujitsu ASG30LMTA Service Instruction page 53

Trouble shooting 17
OUTDOOR UNIT Error Method:
Inverter Error
Detective Actuators:
Inverter PCB
Forecast of Cause :
Check Point 1-1 :
Turn the power on again?
Error displayed again?
YES
Check Point 2 : Check the wiring (Power supply to Filter PCB to Inverter PCB)
Connector and wiring connection state check
Cable open check
OK
Check Point 3 : Replace Filter PCB (INV) and Inverter PCB
Replace Filter PCB and Inverter PCB.
AMP Air Conditioning
Indicate or Display:
Indoor Unit :
Detective details:
1. External cause. 2. Power supply to Filter PCB to Inverter PCB wiring disconnection, open
3. Filter PCB failure 4. Inverter PCB failure
Check Point 1-2 : External cause
Check if temporary voltage drop was not generated.
NO
Check if temporary open was not generated.
Check if ground is connected correctly or there are no related cables near the
power line.
Operation lamp: 6 times Flash,
Timer lamp : 3 times Flash
Error information received from Inverter PCB
02-20
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Wired Remote Controller :
ERROR CODE : [E : 63]