Fujitsu AG * V12LAC Series, Инструкция по эксплуатации

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Self - diagnosis function and Checking points
Error Indication
Operation
(RED)
Timer
(GREEN)
10°C HEAT
(ORANGE)
Error
(Protection)
Diagnosis Method
The indoor fan speed is 1/3 of the target frequency after 56 seconds from starting operation or from the time the fan mode was
changed. > Operation stop. (It releases by sending the operation stop signal from the remote controller).
0.5 sec
6 times
07
-0
6
Indoor UPPER fan
speed error
[Diagnosis Point]
Fan motor connector loose /defective contact.
Fan motor defective.
Controller PCB defective.
0.5 sec
3 times
The indoor fan speed is 0 rpm after 56 seconds from starting operation or from the time the fan mode was changed.
> Operation stop. (It releases by sending the operation stop signal from the remote controller).
[Diagnosis Point]
Fan motor connector loose /defective contact.
Fan motor defective.
Controller PCB defective.
Wired remote
controller
OFF
Indoor LOWER fan
lock error
0.5 sec
2 times
OFF
12
12
The indoor fan speed is 1/3 of the target frequency after 56 seconds from starting operation or from the time the fan mode was
changed. > Operation stop. (It releases by sending the operation stop signal from the remote controller).
Indoor LOWER fan
speed error
[Diagnosis Point]
Fan motor connector loose /defective contact.
Fan motor defective.
Controller PCB defective.
0.5 sec
3 times
OFF
12
When damper opening recovery operation repeats 6 times.
> Operation stop. (It releases by sending the operation stop signal from the remote controller).
Damper error
UPPER & LOWER
air flow
[Diagnosis Point]
Obstruction of damper movement.
Check if the switch wire(CN18) is open.
0.5 sec
4 times
OFF
2E
When damper closing recovery operation repeats 6 times.
> Operation stop. (It releases by sending the operation stop signal from the remote controller).
Damper error
UPPER air flow
[Diagnosis Point]
Obstruction of damper movement.
Check if the switch wire(CN18) is open.
0.5 sec
5 times
OFF
2E
When close detecting sw and open detecting sw operates simultaneously.
> Operation stop. (It releases by sending the operation stop signal from the remote controller).
Damper error
[Diagnosis Point]
Check if the switch wire(CN18) is short.
0.5 sec
5 times
OFF
2E
When the OPERATION Indicator Lamp and the 10°C HEAT Indicator Lamp flashes, the operation can be maintained temporary by changing of air outlet selection switch to ,
closing the damper completely and press the START/ STOP button.
(If the damper does not close automatically, close the damper manually and fix the position by an adhesive tape etc.)
The unit operates almost the same as upper air flow operation, however the indicator lamp flashes continuously if same symptom is detected again.