Check Point 1 : Check rotation of Fan
Rotate the fan by hand when operation is off.
(Check if fan is caught, dropped off or locked motor)
>>If Fan or Bearing is abnormal, replace it.
Check Point 2 : Check resistance of Outdoor Fan Motor
Refer to below. Circuit-test "Vm" and "GND" terminal.
(Vm: DC voltage, GND: Earth terminal)
>>If they are short-circuited (below 300 k ), replace Outdoor fan motor.
Pin number
(wire color)
Terminal function
(symbol)
1 (Red)
2
3
4 (Black)
5 (White)
6 (Yellow)
7 (Brown)
DC voltage (Vm)
No function
No function
Earth terminal (GND)
Control voltage (Vcc)
Speed command (Vsp)
Feed back (FG)
When you approach this part, please cut off the power supply and wait for a while until DC voltage has been discharged.
SERVICE PARTS INFORMATION 18
Outdoor Unit Fan Motor
04-131
To Next Page
Loading...
Need help?
General
