ERROR CODES AND TROUBLESHOOTING
PAGE 51
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:
●
24K model-23 code - BM1 - 1
●
off 2 off
24K model-26 code - BM1 - 1 off 2 on
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
Error Codes and Troubleshooting
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
-
-
-
-
-
-