SERVICE PARTS INFORMATION 4
Indoor 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 Indoor Fan Motor
Refer to below.
>>If they are 
), replace Indoor fan motor and Controller PCB.
Pin number | Terminal function | |
(wire color) | (symbol) | |
|
|
|
1 | (Blue) | Feed back (FG) |
2 | (Yellow) | Speed command (Vsp) |
3 | (White) | Control voltage (Vcc) |
4 | (Black) | Earth terminal (GND) |
5 |
| No function |
6 | (Red) | DC voltage (Vm) |
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.
>>If they are 
), replace Outdoor fan motor and Main PCB.
| Pin number | Terminal function |
| (wire color) | (symbol) |
|
|
|
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 or Blue) | Feed back (FG) |
