Haier AB242ACBEA Service Manual page 90

Failure code with wired controller YR-E12:
For Failure
remote code on
type, flash wired
times controller
10 08
1 01
2 02
3 4A
4 49
5 48
6 53
8 07
9 06
11 0B
12 03
13 0D
15 05
For central Failure description
control,
failure code
21 Drainage system failure
01 Indoor ambient temp. sensor
failure
02 Indoor coil temp. sensor failure
11 Outdoor ambient temp. sensor
failure
12 Outdoor
failure
discharging temp. sensor)
10 Over-current protection
14 High pressure abnormal
06 Communication between wired
controller and indoor abnormal
05 Communication
indoor and outdoor abnormal
30 Outside alarm signal input
20 Gas pipe
abnormal
31 Solenoid valve abnormal
17 EEPROM abnormal
Reason
Float switch broken down for more than
25m continuously
sensor broken down or short circuit for
more than 2m continuously
sensor broken down or short circuit for
more than 2m continuously
sensor broken down or short circuit for
more than 2m continuously
coil temp. sensor Sensor broken down or short circuit for
(compressor more than 2m continuously
CT check abnormal 3 times in 30m
High pressure switch acts 3 times in 30m
Communication abnormal for more than
4m continuously
between Communication abnormal for more than
4m continuously
Outside signal broken down for more than
10s
temp. sensor Sensor broken down or short circuit for
more than 2m continuously
Solenoid valve act incorrectly 3 times
continuously
EEPROM data missing