Indoor Unit Troubeshooting - Haier Super Match Series Service Manual

AD09~24SS1ERA(N)(P)
INDOOR UNIT TROUBLE SHOOTING
LED flash times
of indoor PCB
LED4 LED3
0
0
0
0
0
0
0
0
Note:
1.The outdoor failure can also be indicated by the indoor unit,the checking method as follo-
ws: LED4 flash times stands for ten's place,and LED3 flash times stands for one's place,
use this ten-digit number minus 20,then will get the outdoor error code.For example,if the
outdoor error code is 15,LED4 will flash 3 times firstly,two seconds later,LED3 will flash 5
times , and four seconds later the process will repeat again.
2.LED4 is a yellow one on the indoor PCB,LED3 is a green one.
3.To get much more details about the out door unit failure,please refer to
the outdoor unit trouble shooting list.
AD12MS1ERA AD18MS1ERA AD24MS2ERA
Wired
Contents of
controller
Malfunction
display
Malfunction of indoor
unit ambient temper-
1
01
ature sensor
Malfunction of indoor
2
unit piping temper-
02
ature sensor
EEPROM wrong of
4
04
indoor PCB
Abnormal communi-
cation between indo-
7
07
or and outdoor units
Abnormal communi-
cation between wired
8
/
controller and indoor
unit
Malfunction of drain
12
0C
system
Zero cross sigal
13 0D
wrong
Indoor unit DC fan
14
0E
motor abnormal
Super Match
Possible reasons
Sensor disconected
en,or at wrong position,or
short circuit
Sensor disconected
en,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 wro-
ng adress setting of indoor
unit or faulty power supply
or faulty PCB
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 disconected，
or DC Fan broken or circuit
broken
128
or brok-
,
or brok-
,
0150511710