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SERVICE PARTS INFORMATION 5
Outdoor unit fan motor
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: Ground terminal)
>>If they are short-circuited (below 300 k ), replace Outdoor fan motor and Main PCB.
Pin number
Terminal function
(symbol)
(wire color)
1 (Red)
DC voltage (Vm)
2
No function
3 (Black)
Ground terminal (GND)
4 (White)
Control voltage (Vcc)
5 (Yellow)
Speed command (Vsp)
6 (Brown)
Feed back (FG)
02-43
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Troubleshooting
