Troubleshooting _ 31
Error Type Error Mode Causes Corrective Actions Description of Photo
WaterSupply
Error
4E
4E1
4E2
• Watersupplyvaluefault
• MainPCBfault
• Freezinginthewinterseason
• Checkthewatersupplyvalve
whetheronlycoldmodelorhot
andcoldmodelIncorrected
connection can occur an error
• Ifthewatersupplyvalvehasawire
disconnected,replaceit.
• Checkwhetherthewatersupplyvalveis
cloggedwithforeignmaterialandwhether
waterissuppliedcontinually.
• Checkwhethernowaterissuppliedbecause
offreezinginthewinterseason.
• IfthePBArelayoperatesabnormally,replace
thePBA.
[
BITRON
]
[
SEIL
]
1. Checktheresistanceforthe
watersupplyvalve.
- Resistance
BITRON 3.895to4.305kΩ
SEIL 3.645to4.455kΩ
betweentheterminalsofthe
watersupplyvalve.
2. Checkwhetherthereis
foreignmaterialinthewater
supplyvalvediaphragm.
Drain Error 5E
• Drainpumpfault
• Freezinginthewinterseason
• Foreignmaterialsinthedrain
pump
• MainPCBfault
• Checkwhethertherevolutionsofthedrain
pumpmotorarerestrainedbyforeignmaterial.
• Checkthesamethingforthenaturaldrain
process.
• Checkwhethertheconnectionsarecorrect
andifthereisanywiresdisconnected.
• Ifthedrainpumpoperatesabnormally
intermittentlywhenthetemperatureofthe
waterinthetubishigh.
• Ifthemotorrevolutionsarerestraineddue
tofreezinginthewinterseason,checkthe
methodforremovingthefreezingandremove
asdirected.
► DRAINPUMP
Resistance:Approximately
182~222Ωbetweenthe
TerminalsfortheWater
SupplyValve
Communication
Error
AE
• Thesignalsbetweenthesuband
mainPBAsarenotsensed.
• Incorrectwireconnections
betweenthesubandmainPBAs.
• Checkthewireconnectionsandterminal
contactsbetweenthesubandmainPBAs.
• Checkfordisconnectedwires.
• CheckwhetherthesubPBAisshort-circuited
becauseofmoisture.
• IfthemainPBA’scommunicationcircuitis
faulty,replaceit.
-