Troubleshooting; Indoor Unit; Normal Operation Display - Fujitsu AB12 Service Manual

8. TROUBLESHOOTING

8-1 INDOOR UNIT

SWING LAMP (Orange)
TIMER LAMP (Green)
OPERATION LAMP (Red)
SWING TIMEROPERATION
Operation can be checked by lighting and flashing of the grille display section OPERATION and TIMER lamps.
perform judgment in accordance with the following.
Test running
When the air conditioner is run by pressing the remote controller test run button, the OPERATION and TIMER lamps flash slowly at
the same time.
Error
The OPERATION and TIMER lamps operate as follows (Table 11) according to the error contents.

8-1-1 NORMAL OPERATION DISPLAY

OPERATION FACTOR
Test operation
Power failure
*1
Auto-restart enable
(DIP SW 2-4 : OFF)
*2
Auto-restart disable
(DIP SW 2-4 : ON)
Defrost operation
*3
(Heating operation)
Note: Display lamps light on the front panel of the indoor unit.
*1: The power is failed during timer operation, then the timer lamp flashes on and off when the power returns.
*2: The power is failed during operation, then both lamps flash on and off when the power returns.
*3: While the indoor fan motor stops, the operation lamp flashes on and off.
MANUAL
AUTO
INDICATOR LAMP
Operation
lamp (red)
Timer lamp
(green)
Timer lamp
(green)
Operation
lamp (red)
Timer lamp
(green)
Operation
lamp (red)
FLASH / TIME (SEC)
1.0 sec
ON
OFF
1.0 sec
ON
OFF
3.0 sec
ON
OFF
1.0 sec
ON
OFF
1.0 sec
ON
OFF
3.0 sec
ON
OFF
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1.0 sec
1.0 sec
1.0 sec
1.0 sec
1.0 sec
1.0 sec