Fujitsu AUXG45LRLB Service Instruction page 57

Trouble shooting 17
OUTDOOR UNIT Error Method:
Inverter Error
Detective Actuators:
Transistor PCB
Forecast of C ause :
1. External cause. 2. Power supply to Filter PCB to Inverter PCB
wiring disconnection, open 3. Filter PCB failure 4. Transistor PCB failure
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.
Indicate or Display:
Error code : 63
Detective details:
Error information received from Transistor PCB
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.
02-19
Outdoor unit : Model 45.54
PUMP LOW
POWER
DOWN NOISE
ERROR
L ( ) 1 L ( ) 2 (L3) (L4)
MODE
2 6 3
PEAK
CUT
(L5) L ( ) 6