Haier Smart Power Series Service Manual page 178

ADH071M3ERG
LED flash times of Wired
indoor PCB controller
LED4 LED3
display
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 thhe indoooor unnit,the checking method as follows:If the outdoor
error code is Mm (DECIMAL); the indoor unit's wired controller display will show the after converted hexadecimal
code of "M+20"(DECIMAL),for example,if the outdoor error code is 2,the indoor unit wired controller display will
flash the error code 16 (2→2+20=22 →change decimal 22 to hexadecimal code,get 16)
2.To get much more details about the out door unit failure,please refer to the outdoor unit trouble shooting list.
Contents of
Malfunction of indoor unit ambient
01
temperature sensor
Malfunction of indoor unit piping
02
temperature sensor
04 EEPROM wrong of indoor PCB
Abnormal communication between
07
indoor and outdoor units
Abnormal communication between
/
wired controller and indoor unit
0C Malfunction of drain system
0D Zero cross sigal wrong
0E Indoor unit DC fan motor abnormal
Sensor disconected, or broken, 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 program-med, or PCB broken
Wrong connection,or the wires be
disconected or wrong adress setting
of indoor unit or faulty power supply or
PCB hardware malfunction
Wrong connection or wired controller
broken, or PCB hardware malfunction
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 disconnected or DC Fan
broken or circuit broken
176
Smart Power
Possible reasons