Haier HU062WAMNA Service Manual page 20

AW082SNCHA AW102SNCHA
【
Electrical wiring diagram
T6.3A/250VAC
FUSE1
CN18
SV2
R
CN16
4WV
BL
CN25
G
HEATER1
CN10
W
CN21
R
R
CN8
CN7 CN3 CN6
【 BM Indication 】
[1] [2] [3] [4] [5] [6] [7] [8]
BM
0 0 1
0
BM1
0 0 1
0
【 FAILURE CODE 】
Code Error Code Definition
20
defrosting temp.sensor(Te)failure
21
ambient temp.sensor(Ta)failure
22
suction temp.sensor(Ts)failure
23 discharging temp.sensor(Td)failure
26
indoor communication failure
】
M
DCFAN1
CN12 R
Main board
Y R B BL
CN4
TS
TA TD TE
Colours B :-Black BL: Blue
Y : Yellow G : Green
R : Red W: White
Model
Remarks
0 0 0
0 0 - OFF
82
0
1 0 0 1 - ON
102
B
COMP
W
R
PC
BL R
CN29 CN28
Ps Pd
P Q
Indoor connect
Symbol Signification
ACL
live Wire
ACN
neutral wire
HEATER
heater
4WV 4 way valve
fan
DCFAN1
HPS
high pressure switch
TE(1) defrost temp sensor
115
voltage too high of DC bus line
communication abnormal between transducer
116
and control PCB
117
transducer over current(software)
118
compressor startup failure
119
current detecting circuit abnormal of transducer
121
power supply of inverter board is abnormal
Notes:Please refer to the manual for detailed instructions
20
0150553639
BL
R
CN1
PE
W
P11
ACL-OUT
AC-N
w
P10
ACN-OUT
AC-L
LI
P9
w
LO
T20AL/250V
Temp
G
CN8
W
V
CN6
U
W
W
CN17
SMG2 SMG1
W
CN1
Display
board
W BL
CN2-1
CN2
5V
G
A
B
SW4 SW5 SW6 SW7
UP DW EXIT ENTER
GND
B W
L N
Power supply
Symbol Signification
LEVa electronic expansion valve
compressor discharge sensor
TD
Pd
high pressure sensor
Ps low pressure sensor
TA ambient temp sensor
compressor suction sensor
TS
Y/G
W
B