Fujitsu UTP-VX60A User Manual

04-128
SERVICE PARTS INFORMATION 14-3
Indoor Unit Fan Motor <DC motor>
(For AS*A030/ 034GTAH, AUXK018 - 054GLAH)
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. Circuit-test "Vm" and "GND" terminal.
(Vm: DC voltage, GND: Earth terminal)
>>If they are short-circuited (below 300 k ), replace Indoor fan motor and Controller PCB.
Pin number
(wire color)
Terminal function
(symbol)
1 (Red)
2
3
4 (Black)
5 (White)
6 (Yellow)
7 (Brown or Blue)
DC voltage (Vm)
No function
No function
Earth terminal (GND)
Control voltage (Vcc)
Speed command (Vsp)
Feed back (FG)
When you approach this part, please cut off the power supply and wait for a while until DC voltage has been discharged.
Pin number
(wire color)
Terminal function
(symbol)
1 (Blue)
2 (Yellow)
3 (White)
4 (Black)
5
6
7 (Red)
Feed back (FG)
Speed command (Vsp)
Control voltage (Vcc)
Earth terminal (GND)
No function
No function
DC voltage (Vm)
SERVICE PARTS INFORMATION 14-2
Indoor Unit Fan Motor <DC motor>
(Lower fan motor of Compact Floor model)
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. Circuit-test "Vm" and "GND" terminal.
(Vm: DC voltage, GND: Earth terminal)
>>If they are short-circuited (below 300 k ), replace Indoor fan motor and Controller PCB.
When you approach this part, please cut off the power supply and wait for a while until DC voltage has been discharged.

Fujitsu UTP-VX60A Specifications

General

Brand	Fujitsu
Model	UTP-VX60A
Category	Air Conditioner
Language	English