Outdoor Unit Fan Motor - Fujitsu ASUG09LZAS Service Manual

5-5. 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
NOTE: Vm: DC voltage, GND: Earth terminal
→ If they are short-circuited (below 300 kΩ), replace outdoor fan motor and controller PCB.
Pin number
(wire color)
1 (Red)
2
3
4 (Black)
5 (White)
6 (Yellow)
7 (Brown))
5-5. Outdoor unit fan motor
Terminal function
(symbol)
DC voltage (Vm)
No function
No function
Earth terminal (GND)
Control voltage (Vcc)
Speed command (Vsp)
Feed back (FG)
1 DC voltage
4 Earth terminal
- (03-69) -
5. Service parts information