Samsung WF520AB Series - Dispenser, Filter, and Seal Maintenance; Storage and Drum Cleaning

Troubleshooting _ 27
4-2. CORRECTIVE ACTIONS FOR EACH ERROR CODE
► Thesearecommontroubleshootingproceduresforeachdrum-typewashererrormode.Fordetailedinformation,refertothegeneralrepairscripts.
Error Type
Error Mode
Causes Corrective Actions Description of Photo
LED LCD
WaterLevel Sensor
LE1
W a ter Level Sensor Problem
ERROR!
• Waterlevelsensorfault • Incorrectconnectionsof
thewaterlevelsensor terminal
• Thehosepartforthe
waterlevelsensoris folded.
• MainPCBfault
• Checkthewaterlevelsensorterminal
connectionsandcontacts.
• Anerroroccursifanincorrectwater
levelsensorisused.Makesureto checkthematerialcode.(Abnormal operation)
• Ifthewaterlevelsensorisfaulty,
replaceit.
• Iftheerrorpersistsdespitetakingthe
actionabove,replacethePBA.
Checkthewaterlevelsensor frequency. - Checkitafterthewaterlevel
sensorandtheconnectorare connected.
CheckingPart:PinkColor
WireOragneColorWire
- Frequency:Approx.26.4KHz
withnoload
WashingMotor ErrorandHall Sensor Error
3E E3 bE
The Motor is not working properly.
ERROR!
• Washingmotorfault • Washingmotorhall
sensorfault
• Incorrectconnectionsof
thewashingmotor/hall sensor connector
• Washingmotorrotorand
statorfault
• MainPCBfault
• Checkthemotorconnectorterminal
connectionsandcontacts.
• 3Eisdisplayedbecauseoverloading
occursduetotoomuchlaundry.
• Ifthehallsensorterminalisfaulty,
replacethehallsensor.
• Checkwhetherthestatorofthemotor
coverisdamaged.
• Checkforcoildisconnectionsdueto
foreignmaterial.
• IfthePBAcontrolcircuitisfaulty,
replacethePBA.
► CheckthemotorWinding
Coil
Plugouttheconnectorandread resistancesatanytwoofthe threeterminalsonMotor :Shouldbe6.0Ω(at25°C) ► CheckthemotorHallSensor Checktheresistanceonthe main PCB motor (Betweenpins1and3,and1 and4ofthefour(4)pins) - Resistance
:Approx.2to4MΩ
- Checkthevoltagewhenthe
powerison.