Samsung RFG298HD Service Manual page 64

TROUBlESHOOTING
2)ICEMaker(Fz)Sensorhastroubled(OPTION,RFG298/296)
ERRORCode
DATA1.
Temperature table
** M easuringpointofresistancevalueaccordingtoSensor**
 I CEMAKER(Fz):CN909↔8measuring
resistance value
**0Ω:Shorttrouble/Ω∞:Opentrouble
Refertocircuitdiagraminthemanual
SensorMICOM/Connectornumber
ConnectorCN90-"9"(Red)andJ23
ICE
JUMMPERPCBcommonGround
Maker(F)
Voltagemeasuredbetween4.6V~0.6V.
MeasuringvoltageofIC01MICOM#75,
CN90-"9"(Red)andJ23JUMMPERPCBtypicalGround
partaresimilar.
→ CheckthemeasureontheResistanceR904duetothe
SMDMICOM.
☞ C heckingMethodofICEMAKER(R)Senser
resistanceCN90"9"(Red) 8"(White)
↔
- C omparethetemperaturetableafterthemeasure.
Start
IsMAINPCB
ConnectorCN90inserted
correctly?
yES
IsICEMaker(Fz)
sensorunitnormal?
yES
Isthevoltagebetween
MAINPCBConnectorCN90-"9"(Red)
andJ23JUMMPERnormal?
yES
Isinputvoltageof
IC01MICOM#75normal?
yES
NotroublewithPCBandtemperaturesensor.
Recheckthebadcontactoftheconnection.
☞CheckingmethodofICEMakerSeneor
- M easurethevoltageofResistanceR904(IC01MICOM#75)or
CN90-"9"(Red)↔J23JUMMPER.
- C omparethetemperaturetableafterthemeasure.Measuring
voltageofCN90-"9"(Red)↔J23JUMMPER.
63
- ThisrefrigeratorhasDualIceMaker,so
controlledtwoIceMakers.
NO
Badcontactofconnector/insertcorrectly
NO
ReplacetheICEMaker
NO(0.6V>Measurement<4.6V)
CheckthecontactofPCB&WireTerminal
correctly.
NO
Checktheiced-solder,solderbridging,
disturbedsolder.
ReplacethePCB
typicalPCBGround
J23JUMMPER