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TROUBLESHOOTING
4-2-15. If Cover Ice Route Moor(Geard Motor) is not working normally
Start
Replace the MOTOR
Does GEARED MOTOR
work properly?
No
Yes
Cubed or Crushed Ice is selected
on the LED PANEL PCB
Is Cubed or Crushed
Ice mode selected on the
LED PANEL?
No
Yes
Select the DISPENSER switch
Is the DISPENSER
switch selected?
No
Yes
Check the WIRE
Does the wiring at the
both sides of motor connected
properly?
No
Yes
When the MOTOR
rotates.
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)
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.
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.
Is the AC input voltage
applied to the both ends
of the motor?
Yes
No
Check/Repair the Housing
connector
Is the sensing
SWITCH connection
normal?
No
Yes
Check/Repair the Motor Rotation
pressing area
Is the switch
pressed area normal when
motor rotates?
No
Yes
Normal
Are the voltage
REG1 Heater Sink and CN50-”9”,
“10” normal?
Yes
No
Operating Condition of Dispenser
Open/Close
CN50 - Switch 1,2 Operating
OpeningClose
Ice Route Switch 1
CN50 - “9” (Purple)
Ice Route Switch 2
CN50 - “10” (White)
0V 0V5V
0V 0V5V
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