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TROUBLE SHOOTING
2. Indoor or Outdoor DC Fan Motor(control chip is in fan motor)
Power on and when the unit is in standby, measure the voltage of pin1-pin3, pin4-pin3 in fan motor
connector. If the value of the voltage is not in the range showing in below table, the PCB must has
problems and need to be replaced.
DC motor voltage input and output
NO.
Color
1
Red
2
---
3
Black
4
White
5
Yellow
6
Blue
JKD DCI
Signal
Voltage
Vs/Vm
280V~380V
---
GND
Vcc
14-17.5V
Vsp
0~5.6V
FG
14-17.5V
57
---
0V
Version
- 1
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