TROUBLESHOOTING

4-2-15. If Cover Ice Route Moor(Geard Motor) is not working normally

Caution

1.When replacing the Cover Ice Motor, pull out the plug to avoid an electric shock.

2.Be careful! When disassemble the Cover Ice Motor, spring can jumped out and may cause personal injury.

3.Motor will rotate continuously when the Motor Switch is not sensed.

Checking Mehod of Cover Ice Route Motor Resistance

(Make sure to work after Power Off) The Resistance is variable according to

the input voltage.

CN73 and CN74 combined and use same connector(13P)

CN70#9(RED) 13P#9(Blue)

** 0 : Short trouble /

: Open trouble

When the MOTOR rotates.

Start

Does GEARED MOTOR

work properly?

Yes

Is Cubed or Crushed

Ice mode selected on the

LED PANEL?

Yes

Is the DISPENSER

switch selected?

Yes

Does the wiring at the

both sides of motor connected

properly?

Yes

Is the AC input voltage applied to the both ends of the motor?

No

Replace the MOTOR

No

Cubed or Crushed Ice is selected on the LED PANEL PCB

No

Select the DISPENSER switch

No

Check the WIRE

Yes

No

Check the MOTOR/Check any

 

interference on MOTOR rotation

CN73 and CN74 combined and use same connector(13P). Check 13P-”9” Connector / Re-connect

Check the short/open for the SSR75 of Cover Ice Motor on Main PCB. Check the resistance of parallel Connector 13P- 9 , CN70- 9 . (Definitely plug out prior to repair)

Is the sensing

SWITCH connection

normal?

No

Yes

Check/Repair the Housing

connector

 

 

 

 

 

 

Is the switch

No

 

 

 

 

 

pressed area normal when

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

motor rotates?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

Check/Repair the Motor Rotation

 

 

 

 

 

 

 

Operating Condition of Dispenser

 

 

 

 

pressing area

 

 

 

 

Open/Close

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CN50 - Switch 1,2 Operating

 

 

Are the voltage

Yes

 

 

 

 

 

 

Close

 

ing

Open

 

 

 

 

 

REG1 Heater Sink and CN50-”9”,

 

 

 

Ice Route Switch 1

0V

 

5V

0V

“10” normal?

 

 

 

CN50 - “9” (Purple)

 

 

 

 

 

 

 

 

 

 

 

 

 

Ice Route Switch 2

0V

 

5V

0V

 

No

 

Normal

CN50 - “10” (White)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Main PCB - Check the wire OPEN/SHORT between the Cover Ice Motor Rotation sensing switches. Check the Short of Cover Ice Motor Control Circuit SSR75 in the MAIN PCB.

Replace the MAIN PCB or the Dispenser Cover Motor.

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