Fisher FS2MIF-140AE2 Service Manual page 41

2. Indoor 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.
For other models:
For console:
DC motor voltage input and output
For split type:
NO. Color
1 Red
2 ---
3 Black
4 White
5 Yellow
6 Blue
4
1
Signal Voltage
Vs/Vm 280V~380V
--- ---
GND 0V
Vcc 14-17.5V
Vsp 0~5.6V
FG 14-17.5V
5
6
3
2
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