IceMaker(Fz)DoesNotOperate(Option,Rfg298/296); IceMaker(Fz)DoesNotOperate(Option,Rfg298/296) - Samsung RFG298HD Service Manual

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4-2-5.ICEMAKER(Fz)doesnotoperate(OPTION,RFG298/296)

1. W aterisautomaticallysuppliedtotheIceMakerdependingontemperature&timeconditionandIce
MakerDispensescubedorcrushedice.
2. P owerisappliedtotheoneendofwires.Becarefulwhendisassemblingandshallrefertoitsexploded
diagraminanycase.
3.IceMakeroperationshallbecheckedafterpressingtheIceMakertestingswitch.
(FreezerIceMaker)Itisnotpossibletocheckwhenthepowerisdisengaged.
4. W erecommendthatTWOPEOPLEcheckthePCBandIceMakerbecausetheyarelocatedatfront
andrearsideeach.
ERRORCode
Micom(IC01)OperationStatus
#76
(TestSwitch)
Micom(IC01)OperationStatus
Before
Ready Rotation
Compl e te
#78 5V 0V 5V
☞CheckingMethodofICEMakerVoltageWithPCBTypicalGroundJ23JUMMPER
1)TestSwitchoperation(pressselected);CN90-"10"(Orange)shallbeDC0V.
TestSwitchready;CN90-"10"(Orange)ShallbelessthanDC5V.
1)TestSwitchoperating
☞CheckingMethodofICEMakerVoltageWithPCBTypicalGroundJ23JUMMPER
2)IC01MICOM#78voltage;Ready(0V)→Rotate(0V)→Beforecomplete(5V)→ Return(0V)→Ready(5V)
*MICOM#78voltageissameasConnectorCN90-"12"(Purple)
MakerRotatewhenpressingtheIceMaker
Ready Operation
5V 0V
Returning Ready
0V 5V
suppliedin6minutes(Aftersensingice
NotroublewithPCBandtemperaturesensor,
Checkthebadwiringconnections.
1)TestSwitchready
Start
NO
Isthecheckinglocationby
selfsensingwheninitialPowerON?
yES
Doesice
NO
testingswitch?
yES
NO
IstheinputvoltageofIC01
MICOM#78normal?
yES
Isthewater
NO
bucketfully?
yES
NO
IstheiceMakerSensor
unitnormal?
typicalPCBGround
J23JUMMPER
76
1)Checkthewiringconnections
2)Check/ReplacetheIceMakerkit.
1)Check/ReplacetheIceMakerkit.
1)Checkthewiringconnections
2)Check/ReplacetheIceMakerkit.
3)Check/ReplacethemainPCB
1)ReplacetheWaterValve
*Refertotheoperati o ncondi t i o nofWaterval v e
1)RepairtheiceMaker
* R efertothesol u ti o nIfi c eMakerSensorhas
troubl e .