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Failure Code - Haier Smart Power Series Service Manual

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4. Failure Code

4.1 Failure code indoor unit
ABH071H1ERG
ABH90H1ERG
LED flash times of
LR.Recever
indoor PCB
digital display
LED4
LED1
0
1
0
2
0
4
0
7
0
8
0
12
0
13
0
14
Note:
1. The outdoor failure can also be indicated by the indoor unit, the checking method as follows: If the outdoorerror
code is M (DECIMAL) , the indoor unit's I.R. receiver display will show the after converted hexadecimal code of
"M+20" (DECIMAL) , for example, if the outdoor error code is 2, the indoor unit I.R. receiver display will flash the
error code 16 (2→2+20=22→change deciaml 22 to hexadecimal code, get 16)
2. LED4 is a red one on the indoor PCB, LED1 is a yellow one.
3. To get much more details about the out door unit failure, please refer to the outdoor unit trouble shooting list.
ABH105H1ERG
Contents of malfunction
Malfunction of indoor unit ambient
01
temperature sensor
Malfunction of indoor unit piping
02
temperature sensor
04
EEPROM erong of indoor PCB
Abnormal communication between
07
indoor and outdoor units
Abnormal communication between
08
wired controller (or I.R. RECE IVER)
and indoor unit
0C
Malfunction of drain system
0D
Zero cross sigal wrong
0E
Indoor unit DC fan motor abnormal
ABH125K1ERG
ABH140K1ERG
Sensor disconected, or briken, or at
wrong position, or short circuit
Sensor disconected, or briken, or at
wrong position, or short circuit
EEPROM chip disconected or broken
or wrong programmed, or PCB broken
Wrong connection, or the wires be
disconected or wrong adress setting
of indoor unit or faulty power supply or
faulty PCB or slave unit malfunction in
MAXI system
Wrong connection or wired controller
broken, or PCB faulty
Pump motor disconnected or at
wrong position, or the float switch,
disconnected, or at wrong position, or
the short circuit bridge disconne ted
Zero cross sigal detected wrong
DC Fan motor disconnectde or DC Fan
broken or circuit broken
172
Smart Power
Possible reasons

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