Fujitsu AU A36LCLU Series Service Instruction page 44

2-1-3 WIRED REMOTE CONTROLLER DISPLAY
The Error code operate as follows according to the error contents.
Indoor Unit : AR*A18LBLU, AR*A22 - 24LBTU, AR*A36 - 45LCTU, AR*C36 - 54LCTU
Error code
00 Wired remote controller error
01 Serial error (Serial reverse transfer error)
02 Room temperature thermistor error
04 Indoor heat exchanger temperature thermistor (Middle) error
06 Outdoor heat exchanger temperature thermistor (Out) error
09 Water drain error
0A Outdoor temperature thermistor error
0C Outdoor discharge pipe temperature thermistor error
0E Heat sink thermistor (INV) error
0F Discharge temperature error
11 Model distinction error (Indoor)
Indoor fan motor lock error
12
Indoor fan motor rev. error
13 Serial error (Serial forward transfer error)
15 Compressor thermistor error
16 Pressure SW (Sensor) error
17 Over current protection
18 CT error
19 Active filter error
1A Compressor location detection error
1B Outdoor unit fan error
1F Connected indoor unit error
20 Manual auto switch error
24 Exessive high pressure protection on cooling
29 Outdoor
2A Power supply frequency detection error
2B Compressor tenperature error
2D Heat sink thermistor (PFC) error
2E INV error
2F Low pressure error
30 Refrigerant circuit address set-up error
31 Master unit, Slave unit set-up error
32 Number of connected indoor unit error
33 PFC PCB error
Error contents
heat exchanger temperature thermistor (Middle) error
02-03
Trouble
shooting
3
1
4
5
8
6
9
7
10
22
31
21
2
11
24
15
16
34
33
18
19
14
23
12
32
25
13
20
26
28
29
30
27