03-52
Parts information 4
Check Point 1 : Check rotation of fan
Outdoor unit fan motor
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
AOU24/30RGLX(CN800)
Refer to below. Circuit-test "Vm" and "GND" terminal.
(Vm: DC voltage, GND: Earth terminal)
>>If they are short-circuited (below 300 kΩ), replace outdoor fan motor and main PCB.
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)
AOUG36/48LMAS1(CN243)
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