Kaysun Zen On 2014 Service Manual - page 96
Troubleshooting
90
Electrical Control
Index 1:
1.Indoor DC fan motor(control chip is inside fan motor)
Measure the resistance value of each winding by using the tester. If any resistance value is zero, the fan
motor must have problems and need to be replaced.
NO.
Color
1
Red
2
---
3
Black
4
White
5
Yellow
6
Blue
Index2:
1. DC fan motor(control chip is inside 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 have
problems and need to be replaced.
DC motor voltage input and output
NO.
Color
Signal
Voltage
1
Red
Vs/Vm
140~380V
2
---
---
---
3
Black
GND
0V
4
White
Vcc
13.5~16.5V
5
Yellow
Vsp
0~6.5V
6
Blue
FG
15V