Error Display; Indoor Unit And Wired Remote Controller Display - Fujitsu AGU12RLF Service Instruction

2. TROUBLESHOOTING

2-1 ERROR DISPLAY

2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY

Please refer the flashing pattern as follows.
The OPERATION, TIMER and ECONOMY lamps operate as follows according to the error contents.
Error Contents
Serial communication error
Wired remote controller
communication error
Indoor unit model information error
EEPROM access abnormal
Manual auto switch error
Indoor room thermistor error
Indoor heat Ex.(Pipe) thermistor error
Indoor unit fan motor error
Damper error
Outdoor unit main PCB error
PFC circuit error (9 / 12RLFF)
Active filter error (15RLFF)
IPM error
Discharge thermistor error
Heat Ex. (Pipe) thermistor error
Outdoor thermistor error
Current sensor error
Over current error
Compressor control error
Outdoor unit fan motor error
4 Way valve error
Discharge temp. error
Indoor Unit Display
OPERATION TIMER
(Green)
(Orange)
1 times 1 times
1 times 2 times
3 times 2 times
3 times 5 times
4 times 1 times
4 times 2 times
5 times 1 times
5 times 7 times
6 times 2 times
6 times 4 times
6 times 5 times
7 times 1 times
7 times 3 times
7 times 4 times
8 times 4 times
9 times 4 times
9 times 5 times
9 times 7 times
9 times 9 times
10 times 1 times
02-01
Wired Remote
Controller
ECONOMY
Display
(Green)
Continuous
11
Continuous
12
Continuous
32
Continuous
35
Continuous
41
Continuous
42
Continuous
51
Continuous
57
Continuous 62
Continuous 64
Continuous 65
Continuous 71
Continuous 73
Continuous 74
84
Continuous
94
Continuous
95
Continuous
97
Continuous
99
Continuous
A1
Continuous
Trouble
shooting
1 - 1,1 - 2
2
3
4
5
6
7
8 - 1,8 - 2
9
10 - 1,10 - 2
11
12
13
14
15
16
17
18
19
20