If Cover Ice Route Moor(Geard Motor) Is Not Working Normally - Samsung RF267ABRS Service Manual

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.
When the MOTOR
rotates.
① Check CN70①, CN73⑨, voltage is applied to the PCB CASE.
② Check the SSR73 SHORT/OPEN of Cover Ice Motor control circuit in the MAIN PCB.
③ Check any SHORT/OPEN of wiring connections between PCB CASE and MAIN PCB.
(CN70 ①, CN73 ⑨)
NOTE. <Make sure that the plug is tuned off before you work, Check the Resistance value>
Operating Condition of Dispenser
Open/Close
CN50 - Switch 1,2 Operating
Close
Ice Route Switch 1
0V
CN50 - "9" (Purple)
Ice Route Switch 2
0V
CN50 - "10" (White)
① Main PCB - Check the wire OPEN/SHORT between the Cover Ice Motor Rotation sensin switches.
② Check the Short of Cover Ice Motor Control Circuit SSR73 in the MAIN PCB.
③ Replace the MAIN PCB or the Dispenser Cover Motor.
Start
Does GEARED MOTOR
work properly?
Is Cubed or Crushed
Ice mode selected on the
LED PANEL?
Is the DISPENSER
switch selected?
Does the wiring at the
both side of motor connected
properly?
Is the AC input voltage
applied to the both ends
of the motor?
Is the sensing
SWITCH connection
normal?
Is the switch
pressed area normal when
motor rotates?
Are the voltage of
Open
CN10-"3" and CN50-"9",
"10" normal?
0V
0V
No
Replace the MOTOR
Yes
No
Cubed or Crushed Ice is selected
Yes
on the LED PANEL PCB
No
Select the DISPENSER switch
Yes
No
Check the WIRE
Yes
Yes
Check the MOTOR/Check any
No
interference on MOTOR rotation
No
Check/Repair the Housing
Yes
connector
No
Check/Repair the Motor Rotation
Yes
pressing area
Yes
Normal
No
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