Samsung WD106UHSA SERIES - Page 44

42 _ Troubleshooting
Error Type Error Mode Causes Corrective Actions Description of Photo
WaterSupply Error
4E
4E1 4E2
• Watersupplyvaluefault • MainPCBfault • Freezinginthewinterseason
• Ifthewatersupplyvalvehasawire
disconnected,replaceit.
• Checkwhetherthewatersupplyvalveis
cloggedwithforeignmaterialandwhether waterissuppliedcontinually.
• Checkwhethernowaterissuppliedbecause
offreezinginthewinterseason.
• IfthePBArelayoperatesabnormally,replace
thePBA.
1. Checktheresistanceforthe
watersupplyvalve.
- Resistance:4.0to5.0Ω
betweentheterminalsofthe watersupplyvalve.
2. Checkwhetherthereis
foreignmaterialinthewater supplyvalvediaphragm.
DrainError 5E
• Drainpumpfault • Freezinginthewinterseason • Foreignmaterialsinthedrain
pump
• MainPCBfault
• Checkwhethertherevolutionsofthedrain
pumpmotorarerestrainedbyforeignmaterial.
• Checkthesamethingforthenaturaldrain
process.
• Checkwhethertheconnectionsarecorrect
andifthereisanywiresdisconnected.
• Ifthedrainpumpoperatesabnormally
intermittentlywhenthetemperatureofthe waterinthetubishigh.
• Ifthemotorrevolutionsarerestraineddue
tofreezinginthewinterseason,checkthe methodtoremovethefreezingandremoveas directed.
► DRAINMOTOR  Resistance:Approximately
6.3ΩbetweentheTerminals fortheWaterSupplyValve
► DRAINPUMP  Resistance:Approximately
174ΩbetweentheTerminals fortheWaterSupplyValve
Communication Error
AE
• Thesignalsbetweenthesuband
mainPBAsarenotsensed.
• Incorrectwireconnections
betweenthesubandmainPBAs.
• Checkthewireconnectionsandterminal
contactsbetweenthesubandmainPBAs.
• Checkfordisconnectedwires. • CheckwhetherthesubPBAisshort-circuited
becauseofmoisture.
• IfthemainPBA’scommunicationcircuitis
faulty,replaceit.
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