Outdoor Unit Fan Speed Has Been Out Of Control (E8); Outdoor Dc Fan Motor - Vivax ACP-18COFM50AECI Service Manual

10.3.2.4 Outdoor unit fan speed has been out of control (E8)

Index 1:
1. Outdoor 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
1 Red
2 ---
3 Black
4 White
5 Yellow
6 Blue
Signal Voltage
Vs/Vm 140V~380V
--- ---
GND 0V
Vcc 13.5-16.5V
Vsp 0~6.5V
FG 15V