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SERVICE PARTS INFORMATION 18
Outdoor Unit Fan Motor
When you approach this part, please cut off the power supply and wait for a while until DC voltage has been discharged.
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.
Terminal function
Pin number
(symbol)
(wire color)
1 (Red)
DC voltage (Vm)
2
No function
3
No function
4 (Black)
Earth terminal (GND)
5 (White)
Control voltage (Vcc)
6 (Yellow)
Speed command (Vsp)
7 (Brown)
Feed back (FG)
04-131
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Troubleshooting
