Haier AU422XIBAA Service Manual page 85

Only for AS**XABAA:
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Failure code of wall mounted units
Failure contents
Room temperature sensor problem
Pipe temperature sensor problem of indoor unit
Fan motor problem of indoor unit
High pressure problem of the system
Communication problem between indoor and outdoor unit
(Alarmed by indoor unit)
Low pressure problem of the system
Over heat of compressor
CT current abnormal
Outdoor ambient temperature sensor problem
Outdoor pipe temperature sensor problem
Discharge temperature sensor problem on outdoor unit
Working mode changing
EEPROM failure on indoor PCB
Communication problem between indoor and outdoor unit
(Alarmed by outdoor unit)
EEPROM failure on outdoor PCB
Flash times of timer
lamp on indoor unit
1
2
3
17
5
18
9
21
11
10
12
Buzzer sounds 2
times
7
19
20