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1. External cause 2. Power supply to Filter PCB to Inverter PCB wiring disconnection, open

3. Filter PCB failure 4. Inverter PCB failure

Trouble shooting 17

Inverter Error

Inverter PCB

・

Error information received from Inverter PCB

Detective Actuators: Detective details:

Indicate of Display:

Forecast of Cause:

02-22

OUTDOOR UNIT Error Method:

YES

Test 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.

Test 2 : Check the wiring (Power supply to Filter PCB to Inverter PCB)

Connector and wiring connection state check

Cable open check

Test 1-1 : Turn the power on again?

Error displayed again?

Test 3 : Replace Inverter PCB

If Test 1,2 do not improve the symptom, replace Inverter PCB(Outdoor unit),

and execute the check operation again.

Test 4 : Replace Main PCB

If Test 3 do not improve the symptom, replace Main PCB(Outdoor unit),

and execute the check operation again.

Test 5 : Replace Filter PCB

If Test 4 do not improve the symptom, replace Filter PCB(Outdoor unit).

(SERVICE PARTS INFORMATION 10)

Indoor Unit

Outdoor Unit

Operation lamp : 6 time Flash

ERROR CODE : [E : 63]

Timer lamp: 3 time Flash

Monitor

ABCDEF

: Light ON : Light OFF n : n time blinking

Fujitsu ASU9RLF1 Service Manual

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