Fujitsu AB*14LBAJ Service Instruction page 42

For AG*F09 - 14LAC
The OPERATION, TIMER and 10°C HEAT lamps operate
as follows according to the error contents.
Error contents
Communication error
(Serial reverse transfer error)
Outdoor communication signal error
(Forward transfer signal error)
Communication error
(indoor unit remote control)
Room temperature thermistor error
Indoor heat exchanger temperature
thermistor (middle) error
Outdoor discharge pipe temperature
thermistor error
Outdoor heat exchanger temperature
thermistor error
Outdoor temperature thermistor error
Forced auto switch error
Main relay welded
IPM error
CT error
Compressor rotor location cannot detect
(permanent stop)
Outdoor unit fan motor error
Indoor fan lock error
Indoor UPPER fan speed error
Indoor LOWER fan lock error
Indoor LOWER fan speed error
Damper error
(UPPER & LOWER air flow)
Damper error
(UPPER air flow)
Damper error
Discharge temperature error
Indoor EEPROM abnormal (Model No.)
:
0.5s ON / 0.5s OFF (Flash)
Error display
OPERATION
(GREEN)
2 times
2 times
3 times
3 times
3 times
4 times
4 times
5 times
5 times
5 times
5 times
6 times
6 times
6 times
6 times
6 times
6 times
6 times
7 times
Continuous
blink
:
OFF
02-04
TIMER
10°C HEAT
(ORANGE) (GREEN)
2 times
3 times
4 times
5 times
8 times
2 times
3 times
2 times
3 times
4 times
2 times
3 times
2 times
3 times
5 times
6 times
2 times
3 times
2 times
3 times
4 times
5 times
5 times
2 times
Continuous Continuous
blink blink
Trouble
shooting
2
11
1
3
4
8
5
7
25
38
14
15
17
18
10
39
40
30
9