Error Display; Indoor Unit & Wired Remote Controller Display - Fujitsu AUG12LVLB 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, Economy lamps operate as follows according to the error contents.
Serial communication error
Wired remote controller communication error
Indoor unit capacity error
Indoor unit PCB model information error
Manual auto switch error
Indoor room thermistor error
Indoor heat ex. thermistor error
Indoor unit fan motor error
Drain pump error
Outdoor unit main PCB model
information error or communication error
PFC circuit error
Trip terminal L error
Discharge temp. sensor error
Outdoor unit Heat Ex. liquid
temp. sensor error
Outdoor temp. sensor error
Trip detection
Compressor rotor position detection error
(permanent stop)
Outdoor unit fan motor error
4-way valve error
Discharge temp. error
Compressure temp. error
AMP Air Conditioning
Error Contents
Indoor Unit Display
Operation Timer
(Green) (Orange)
1 times 1 times
1 times 2 times
2 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 3 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
9 times 4 times
9 times 5 times
9 times 7 times
9 times 9 times
10 times 1 times
10 times 3 times
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02-01
Wired Remote
Controller
Economy
Display
(Green)
Continuous
11
Continuous 12
Continuous
22
Continuous 32
Continuous
35
Continuous
41
Continuous
42
Continuous
51
Continuous
53
Continuous
62
Continuous
64
Continuous
65
Continuous
71
Continuous
73
Continuous
74
Continuous
94
Continuous
95
Continuous
97
Continuous
99
Continuous
A1
Continuous
A3
Trouble
shooting
1,2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22