Fujitsu AUYA45LCLU Service Manual page 16

2008.11.13
OUTDOOR UNIT LED
Make a TEST RUN in accordance with the
installation instruction sheet for the indoor unit.
When a malfunction occurs in the outdoor unit,
the LED on the circuit board lights to indicate the error.
Refer to the following table for the description of each
error according to the LED.
LED Error contents
Communication error
1 flash
(Indoor unit - Outdoor unit)
2 flash Discharg pipe temperature sensor
3 flash Outdoor heat exchanger temperature (outlet) sensor
4 flash Outdoor temperature sensor
5 flash Outdoor heat exchanger temperature (mid) sensor
6 flash Discharge pipe temperature abnormal
7 flash Compressor temperature sensor
8 flash Heat sink temperature sensor
9 flash Pressure switch abnormal
10 flash Compressor temperature abnormal
12 flash IPM error
13 flash Compressor rotor position cannot detect
14 flash Compressor cannot operate
15 flash Outdoor fan abnormal (upper fan)
16 flash Outdoor fan abnormal (lower fan)
5 sec. on/
Protect operation
1 sec. off
repeat
1 sec. on/
Pump down operation
1 sec. off
repeat
off
No error
15