Samsung RF31FM Series Manual page 213

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6. Self Diagnosis & Trouble Shooting
6-15. If Cubed or Crushed Ice is not supplied
Cubed Ice
Is Cubed Ice ejected?
NO
Is Cubed Ice mode
selected on the
panel PCB?
YES
Is the CUBE MOTOR
positioned at cubed
ice mode?
YES
Is MICOM IC01 #88
change into 0V when
press Ice switch?
YES
Is the Dispenser
Cover opened?
YES
Is IC73 #1,2 changed
into 5V when pressing
Ice Switch?
YES
Cubed Ice
ejected
Normal Operation
status
NO
Cubed Ice
selected
Check the wire
NO
connections/ Cube
Solenoid
- Check the Ice switch
has trouble itself
NO
- Check the wire
connections
- Replace the MAIN
PCB
- ICE S/W self diagnosis
NO - Check the connecting
wires.
- MAIN PCB failure :
Replace
Replace the MAIN
NO
PCB (Errors on
IC01)
Is Crushed Ice ejected?
NO
Is Crushed Ice mode
selected on the panel PCB?
YES
Is the CUBE MOTOR
positioned at cubed
ice mode?
YES
Is MICOM IC01 #88
change into 0V when
press Ice switch?
YES
Is the Dispenser
Cover opened?
YES
Is IC73 #1 changed
into 5V when pressing
Ice Switch?
YES
To do list
YES
Normal Operation
status
NO
Crushed Ice
selected
Check the wire
NO
connections/
Motor Cube
- Check the Ice switch
has trouble itself
NO
- Check the wire
connections
- Replace the MAIN
PCB
check the WIRE &
Motor check Cover
NO
ice route S/W 1,2
Replace the MAIN
PCB
Replace the MAIN
NO
PCB (Errors on
IC01)
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