Samsung RF31FM Series Manual page 216

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6. Self Diagnosis & Trouble Shooting
6-16.
If Cover Ice Route Motor(Geared Motor) is not working normally
When the MOTOR rotates.
① Check CN73_1-"3" Connector / Re-connect
② Check the short/open for the SSR75 of Cover Ice Motor on Main PCB.
③ Check the voltage of Resistance of parallel Connector CN73 -"3", CN70 -"5"
(Definitely plug out prior to repair)
YES
Is the AC input voltage
applied to the both ends
of the motor?
NO
Is the sensing
SWITCH connection
normal?
YES
Is the switch
pressed area normal when
motor rotates?
YES
YES
Check the MOTOR/Check any
interference on MOTOR rotation
NO
Check/Repair the Housing
connector
Check/Repair the Motor
NO
Rotation pressing area
To do list
216