IfCubedOrCrushedIceIsNotSupplied; IfCubedOrCrushedIceIsNotSupplied - Samsung RFG298HD Service Manual

TROUBlESHOOTING

4-2-14.IfCubedorCrushedIceisnotsupplied

Start
AreIcesejected?
yes
Whichmodeis
selected?
CubedIce
IsCubedIceejected?
No
IsCubedIcemode
selectedonthe
panelPCB?
yes
IstheCUBEMOTOR
positionedatcubed
icemode?
yes
IsMICOMIC01#88
changeinto0Vwhen
pressIceswitch?
yes
IstheDispenser
Coveropened?
yes
IsIC732,3changed
into5Vwhenpressing
IceSwitch?
yes
Isthecontact
pointofRy7A&Ry7BRELAy
changedinto0Ω
yes
Afterdisconnectingthe
CN72,CN73
measureThebothends
ofContactpointsRy7A.
Fridgedoorshallbe
closedduringoperation.
No
AreIcesintheIcebucket?
① ChecktheIcemakingswitch
② ChecktheDOORSwitch
③ ChecktheIcemovingmotor
④ CheckthewiringconnectionsofIcemovingmotor
⑤ CheckiftheCOVERICEROUTEopens
⑥  C hecktheq706movementrelatedwithAUGER_
MOTORsafety
CrushedIce
CubedIceejected
NormalOperationstatus
No
CubedIceselected
No
Checkthewireconnections/
CubeSolenoid
No
- C hecktheIceswitchhastroubleitself
-Checkthewireconnections
-ReplacetheMAINPCB
No
-ICES/Wselfdiagnosis
-Checktheconnectingwires.
-MAINPCBfailure:Replace
No
ReplacetheMAINPCB
(ErrorsonIC01)
No
-Ry7A,Ry7BRELAyError
-ReplacetheMAINPCB
If MAIN PCB is normal
-Needtochecktheotherparts
①  A UGERMOTOR↔MAINPCB
Checkthedoorwiringconnections.
②  C UBEMOTOR↔MAINPCB
Checkthedoorwiringconnections/troubletheirownorbadwiringconnections.
No
Is"IceOff"mode
selectedonthedisplay
panel?
yes
Cancelthe"IceOff"
IsCrushedIceejected?
No
IsCrushedIcemode
selectedonthe
panelPCB?
yes
IstheCUBEMOTOR
positionedatcubed
icemode?
yes
IsMICOMIC01#88
changeinto0Vwhen
pressIceswitch?
yes
IstheDispenser
Coveropened?
yes
IsIC73#2changed
into5Vwhenpressing
IceSwitch?
yes
Isthecontact
pointofRy7ARELAy
changedinto0Ω
yes
Afterdisconnectingthe
CN72,CN73
measureThebothends
ofContactpointsRy7A.
87
No
①  C heckthewaterpipe
:bending/Shutoff
② heckrouteoficechecksolenoid
③ CheckheIceMakerwiring
yes
NormalOperationstatus
No
CrushedIceselected
No
Checkthewireconnections/
MotorCube
No
- C hecktheIceswitchhastroubleitself
-Checkthewireconnections
-ReplacetheMAINPCB
No
checktheWIRE&Motor
checkCovericerouteS/W1,2
ReplacetheMAINPCB
No
ReplacetheMAINPCB
(ErrorsonIC01)
No
-Ry7ARELAyError
-ReplacetheMAINPCB