Samsung RF28HMEDBSR Service Manual: If Cubed Or Crushed Ice Is Not Supplied

French door refrigerator.
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TROUBLESHOOTING

4-2-13. If Cubed or Crushed Ice is not supplied

Start
Are Ices ejected?
Yes
Which mode is
selected?
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
Is the contact
point of RY7A & RY7B RELAY
changed into 0Ω
Yes
After disconnecting the
CN72, CN73
measure The both ends
of Contact points RY7A.
Fridge door shall be
closed during operation.
No
Are Ices in the Ice bucket?
① Check the Ice making switch
② Check the DOOR Switch
③ Check the Ice moving motor
④ Check the wiring connections of Ice moving motor
⑤ Check if the COVER ICE ROUTE opens
⑥ Check the Q706 movement related with AUGER_
MOTOR safety
Crushed Ice
Cubed Ice ejected
Normal Operation status
No
Cubed Ice selected
No
Check the wire connections/
Cube Solenoid
No
- Check the Ice switch has trouble itself
- Check the wire connections
- Replace the MAIN PCB
No
- ICE S/W self diagnosis
- Check the connecting wires.
- MAIN PCB failure : Replace
No
Replace the MAIN PCB
(Errors on IC01)
No
- RY7A, RY7B RELAY Error
- Replace the MAIN PCB
If MAIN PCB is normal
- Need to check the other parts
① AUGER MOTOR ↔ MAIN PCB
Check the door wiring connections.
② CUBE MOTOR ↔ MAIN PCB
Check the door wiring connections/trouble their own or bad wiring connections.
No
Is "Ice Off" mode
selected on the display
panel?
Yes
Cancel the "Ice Off"
Is Crushed Ice ejected?
Is Crushed Ice mode
selected on the
panel PCB?
Is the CUBE MOTOR
positioned at cubed
ice mode?
Is MICOM IC01 #88
change into 0V when
press Ice switch?
Is the Dispenser
Cover opened?
Is IC73 #1 changed
into 5V when pressing
Ice Switch?
Is the contact
point of RY7A RELAY
changed into 0Ω
After disconnecting the
CN72, CN73
measure The both ends
of Contact points RY7A.
98
No
① Check the water pipe
: bending / Shut off
② heck route of ice check solenoid
③ Check he Ice Maker wiring
Yes
No
Normal Operation status
No
Yes
Crushed Ice selected
No
Yes
Check the wire connections/
Motor Cube
No
Yes
- Check the Ice switch has trouble itself
- Check the wire connections
- Replace the MAIN PCB
No
Yes
check the WIRE & Motor
check Cover ice route S/W 1,2
Replace the MAIN PCB
No
Yes
Replace the MAIN PCB
(Errors on IC01)
No
Yes
- RY7A RELAY Error
- Replace the MAIN PCB

   Also See for Samsung RF28HMEDBSR

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