ERROR CODES AND TROUBLESHOOTING
PAGE 59
ENGLISH
REFERENCE INFORMATION
PAGE 43
Indoor Board Diagram
VHA AW12ES2VHA AW18ES2VHA AW24E
R:Red
●
W:White
Y:Yellow
Y/G:Yellow/Green
B:Black
BR:Brown
BL:Blue
PIPING TEMP.SENSOR(10K)
●
AMBIENT TEMP.SENSOR(10K)
POWER BUTTON
Notes:
1.The dotted parts are optiona
●
l.
2.The two pins of CN51 should be shorted,
when the J6 is cuted off.
M
FUSE1
CN7
T3.15A/250VA
C
TO OUTDOOR UNIT
1(N)
(C)
3
(L)
2
W
B
Y/G
GND
CN6
R
(L)
CN21
N
COMM
CN51
CN9
CN17
CN23'
CN35
CN34
ROOM CARD
CN5
DC FAN MOTOR
CN11'
DISPLAY BOARD
Model selection:
WIRED CONTROLLER
UP-DOWN STEPMOTOR
LEFT & RIGHT STEPMOTOR
WIFI
CN14
Notes:Before replacing the board,it
is necessary to ensure that the
machine is matched with the board
code
CN56
HUMAN SENSOR
CN38
CN27'
Y/G
GND
WK-B
EVAPORATOR
ELECTRIC
CONTROL BOX
COVER
GND
Y/G
RJ45
Diagnostic
port
CN5
CN1
CN2
SW1
OFF OFF OFF OFF
CN3
CN4
CN2
CN6
CN4
CN3
CENTRALIZED CONTROLLER
SW2
OFF OFF OFF OFF OFF OFF OFF OFF
CN36
model-23 code - BM1 - 1 off 2 off
model-26 code - BM1 - 1 off 2 on
2 off
30K
30K
36K
36K
model-33 code - BM1 - 1 on
model-35 code - BM1 - 1 on 2 on
Error Code: E14
Wiring Diagram Reference
CK
YEL
LO
W
BL
ACK
1
/
4
5
6
7
YEL
LO
W
BL
ACK
1
/
4
5
6
7
1
/
4
5
6
7
BL
ACK
RE
D
1
/
4
5
6
7
BL
ACK
W
HI
TE
1
/
4
5
6
7
BL
ACK
BLU
E
Error Codes and Troubleshooting
