Samsung WF42H5000AW - Page 27

Troubleshooting _ 25
Error Type
Error Mode
Causes Corrective Actions Description of Photo
LED LCD
WaterSupply Error
nF
nF1
• 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:0.8kto1.8kΩ
betweentheterminalsofthe
watersupplyvalve.
2. Checkwhetherthereis
foreignmaterialinthewater
supplyvalvediaphragm.
3. Ifthewatersupplyvalvelter
isclogged,cleanlter.
DrainError nd
• 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thewireconnectorsonMain
PCBandDrainPumpASSY.The
connectororwiremayhavepoor physicalconnection.
• 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]
[Bubble]
► Checkthedrainpumpresistance.
-Drain:
Resistance:13.5Ω~16.5Ω
-Bubble:
Resistance:18.75Ω~22.75Ω