Error Display - Fujitsu AS* A09LEC Service Instruction

2. TROUBLE SHOOTING

2-1 ERROR DISPLAY

2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY
1. ERROR DISPLAY
Please refer the blinking pattern as follows.
Indoor Unit : AS*A09LEC, AS*A12LEC
The OPERATION, TIMER lamps operate as follows according to the error contents.
Serial error (Serial reverse transfer error)
Serial error (Serial forward transfer error)
Wired remote controller error
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
Manual auto switch error
Main relay welded error
Power supply frequency detection error
Over current protection
CT error
Compressor location ditection error
Outdoor unit fan error
Indoor fan motor lock error
Indoor fan motor rev. error
Discharge temperature error
Exessive high pressure protection on cooling
4-way valve error
PFC circuit error
Model distinction error (Indoor)
0.5s ON / 0.5s OFF (Flash)
Error contents
0.1s ON / 0.1s OFF (Flash)
Indoor Unit display
Operation Timer
(Green) (Orange)
2 times
3 times
4 times
5 times
8 times
2 times
2 times
3 times
2 times
3 times 3 times
4 times
2 times
4 times 3 times
4 times
2 times
3 times
5 times
5 times
6 times
2 times
6 times
3 times
2 times
7 times 3 times
4 times
8 times 4 times
: OFF
02-01
Wired Remote
Trouble
Controller
Coil Dry
Display
shooting
(Yellow)
(option)
01
13
00
02
04
0C
06
0A
20
No Display
No Display
17
18
1A
1b
12
12
0F
24
2C
25
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21