Cooler Master RC-1010 Manual de instalación descargar pdf (Pagina 53)

SERVICE PARTS INFORMATION 5

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

Refer to below. Circuit-test "Vm" and "GND" terminal.

(Vm: DC voltage, GND: Earth terminal)

>>If they are short-circuited (below 300 k ), replace Outdoor fan motor and Main PCB.

Pin number

(wire color)

Terminal function

(symbol)

1 (Red)

4 (Black)

5 (White)

6 (Yellow)

7 (Brown)

DC voltage (Vm)

No function

Earth terminal (GND)

Control voltage (Vcc)

Speed command (Vsp)

Feed back (FG)

SERVICE PARTS INFORMATION 4

Check Point 1 : Check rotation of Fan

Indoor 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 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 (Blue)

2 (Yellow)

3 (White)

4 (Black)

6 (Red)

Feed back (FG)

Speed command (Vsp)

Control voltage (Vcc)

Earth terminal (GND)

No function

DC voltage (Vm)

02-32

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Cooler Master RC-1010 Manual de instalación Pagina 53

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