85
TROUBLE SHOOTING
4-2-17) If Ice Route Motor is not working normally
Caution
1. When replacing the Ice Route Motor, pull out the plug to avoid an electric shock.
2. Be careful! When disassemble the Ice Route Motor, spring can jumped out and may cause personal injury.
3. Motor will rotate continuously when the Motor Switch is not sensed.
Start
Check the voltage between CN72 #1 & CN73 #3 is applied .
Check the SSR71 SHORT/OPEN of Ice Route Motor control circuit in the MAIN PBA.
Check any SHORT/OPEN of wiring connections between PBA CASE and MAIN PBA.
NOTE. <Make sure that the plug is tuned off before you work, Check the Resistance value>
Replace the MOTOR
NO
Select cubed or crushed
Ice
NO
Select the DISPENSER
switch
NO
Check the WIRE
NO
YES
YES
YES
YES
NO
YES
YES
NO
Does GEARED MOTOR
work properly?
Is Cubed or
Crushed Ice mode selected on the
Display PANEL?
Is the DISPENSER
switch selected?
Does the wiring at the
both side of motor connected
properly?
Check the MOTOR/Check any
interference on MOTOR rotation
NO
Is the AC input voltage
applied to the both ends
of the motor?
Check/Repair the Housing
connector
NO
Is the sensing
SWITCH connection
normal?
Check/Repair the Motor Rotation
pressing area
NO
Is the switch
pressed area normal when
motor rotates?
Normal
Main PBA - Check the wire OPEN/SHORT between the Ice Route Motor Rotation sensin switches.
Check the Short of Ice Route Motor Control Circuit SSR71 in the MAIN PBA.
Replace the MAIN PBA or the Dispenser Cover Motor.
NO
Are the voltage of
CN30 #1 & #2 normal?
When the MOTOR
rotates.
Operating Condition of Dispenser
Open/Close
CN50 - Switch 1,2 Operating
Open
0V
0V
0V
5V
Ice Route Switch 1 CN30 #1
Ice Route Switch 2 CN30 #2
Close
Checking Mehod of Cover Ice Route Motor
Resistance (Make sure to work after Power Off)
The Resistance is variable according to the
input voltage.
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