ERROR CODES AND TROUBLESHOOTING
PAGE 52
ENGLISH
Error Codes and Troubleshooting
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: E5/LED1: 22 Flash
Wiring Diagram Reference
Sensor Resistance Table
°F
°C
Normal (KΩ
10K
SENSORS
23K
SENSORS
50K
SENSORS
-0.4
-18
75.44
235.90
5494.21
5.0
-15
64.30
196.61
4558.19
10.4
-12
54.99
164.40
3795.39
14.0
-10
49.62
146.15
3365.73
21.2
-6
40.58
115.95
2658.81
24.8
-4
36.77
103.46
2368.32
32.0
0
30.30
82.69
1887.00
35.6
2
27.55
74.07
1687.81
41.0
5
23.95
62.94
1431.28
44.6
7
21.84
56.57
1284.36
50.0
10
19.06
48.31
1094.32
55.4
13
16.68
41.40
934.94
59.0
15
15.28
37.41
843.05
64.4
18
13.42
32.22
723.41
69.8
21
11.81
27.83
622.32
75.2
24
10.42
24.11
536.65
77.0
25
10.00
23.00
511.08
80.6
27
9.21
20.95
464.05
86.0
30
8.16
18.25
402.24
89.6
32
7.54
16.67
366.13
95.0
35
6.70
14.59
318.52
100.4
38
5.97
12.79
277.70
EEV Resistance Values
EEV (6-pin, 6 wire)
Yellow
Blue
White
Black
Red
Yellow
-
OL
92 Ω
OL
46 Ω
OL
Blue
-
-
OL
92 Ω
OL
46 Ω
White
-
-
-
OL
46 Ω
OL
Black
-
-
-
-
OL
46 Ω
-
-
-
-
-
OL
Red
-
-
-
-
-
-
EEV (6-pin, 5 wire)
Yellow
Blue
White
Black
Red
Yellow
-
92 Ω
92 Ω
92 Ω
-
46 Ω
Blue
-
-
92 Ω
92 Ω
-
46 Ω
White
-
-
-
92 Ω
-
46 Ω
Black
-
-
-
-
-
46 Ω
-
-
-
-
-
-
Red
-
-
-
-
-
-