Failure Code - Haier AB242ACBEA Service Manual

controller, if the central controller is set to "central", the buttons in the wired controller will be
invalid, or the buttons will be valid.

Failure code:

For
Failure
remote
code on
type,
wired
flash
controller
times
10 08(08H)
1 01(01H)
2 02(02H)
3 74(4AH)
4 73(49H)
5 72(48H)
6 83(53H)
7 71(47H)
8 07(07H)
9 06(06H)
11 11(0BH)
12 03(03H)
For
central
control, Failure description
failure
code
21D Drainage
abnormal
01D Indoor ambient temp.
sensor failure
02D Indoor
sensor failure
11D Outdoor
temp. sensor failure
12D Outdoor
sensor
(compressor
discharging
sensor)
10D Over-current
protection
14D High
abnormal
22D Power
abnormal
06D Communication
between
controller and indoor
abnormal
05D Communication
between indoor and
outdoor abnormal
30D Outside alarm signal
input
20D Gas pipe
sensor abnormal
system Float switch broken down
for
continuously
sensor broken down or
short circuit for more than
2m continuously
coil temp. sensor broken down or
short circuit for more than
2m continuously
ambient sensor broken down or
short circuit for more than
2m continuously
coil temp. Sensor broken down or
failure short circuit for more than
2m continuously
temp.
CT check abnormal 3 times
in 30m
pressure High pressure switch acts 3
times in 30m
supply Fault
phase,
greatly
Communication
wired for
continuously
Communication
for
continuously
Outside
down for more than 10s
temp. Sensor broken down or
short circuit for more than
Reason
more than 25m
phase, short of
out of balance
abnormal
more than 4m
abnormal
more than 4m
signal broken
Remarks
○
○
○
○
○
※
※
※
○
○
○
○