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ERROR CODES AND TROUBLESHOOTING PAGE 55
ENGLISH
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/250VAC
TO OUTDOOR UNIT
1(N) (C)
3
(L)
2
WB
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 OF F 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 Codes and Troubleshooting
Error Code: E7/LED1: 15 Flash
Wiring Diagram Reference
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