Samsung WF520AB Series - 4 Troubleshooting; Error Modes

Troubleshooting _ 23
4. TROUBLESHOOTING
4-1. ERROR MODES
► This is a washer integrated error mode. For detailed information, refer to the general repair scripts.
Error Type
For USA
Causes Remarks
LED LCD
Water Level
Sensor
LE1
W a ter Level Sensor Problem
ERROR!
- Thepartofthehosewherethewaterlevelsensoris
locatedisdamaged(punctured).
- Thehoseiscloggedwithforeignmaterial.
- Thehoseisfolded.
- Toomuchlubricanthasbeenappliedtotheinsertion
partoftheairhose.
- Hoseengagementerror(disengaged)
- Partfault(Faultyinternalsoldering)
- Thewaterlevelsensorterminalisdisengaged.
- MainPBAfault.
Motor Driving
Error and Hall
Sensor Error
3E
The Motor is not working
properly.
ERROR!
- ThePBAconnectorterminalisnotconnected.
- Themotorspinnetisnotengaged.
- Themotor’sinternalcoilisdamaged(short-circuited
or cut)
- Thehallsensorterminalisnotconnected.
- Foreignmaterial(ascrew)hasenteredthemotor.
Thiserror
occursbecause
ofrestrained
revolutions
E3
- Motoroverloadedduetotoomuchlaundry(Non-
sensing)
- Themotorhallsensorterminalisnotconnected.
- PBAfault
- ThemotordrivingerrorfromthePBAisweak.
: Unstablerelayoperation,etc.
Thiserror
occurswhenan
interference is
generateddue
totoomuch
laundry,etc.
bE
- Thisoccursduetoerroneousoperatingsignalsfrom
themotorhallsensor.
- TheIPMterminalofthemainPBAisnotconnected.
- TheDDmotorcoverisoutofplace.
- ThePCBhousingterminalisnotconnected.
- PBAfault
- DDmotorfault
Water Supply
Error
nF
Low W a ter Pressure
ERROR!
- Foreignmaterialisenteringthewatersupplyvalve.
- Thewatersupplyvalveterminalisnotconnected.
(Wiredisconnected)
- Thewarmwaterandrinseconnectorsarewrongly
connectedtoeachother.
- ThisoccursifthePCBterminalfromthedrainhose
tothedetergentdrawerisnotconnected.Check
whetherthetransparenthoseisfoldedortorn.
Ifthiserror
occursinthe
Woolcourse
- Thecoldandwarmwatersupplyhosesarewrongly
engagedintoeachother.
- Thetemperatureofthewatersuppliedthroughthedry
valveduringadrycycleissensedashigherthan70
˚C.
Thewater
suppliedfor1
minutedrying
thedryingcycle
is 0.3 ~ 0.4 L.
- Thewatertemperatureissensedashigherthan50˚C
intheWoolorLingeriecourses.
Drain Error nd
No Draining
ERROR!
- Thepumpmotorimpellerisdamagedinternally.
- Thewrongvoltage(220V→110V)issuppliedtothe
parts.
- Partfault
- Thisoccursduetofreezinginthewinterseason
- Thedrainhoseisclogged.(Injectionerror,foreign
material)
- Cloggedwithforeignmaterial
- Thewaterpumpterminalisnotconnected:rubber
band,bills,cotton,hairpins,coinshavecollected
insidethedrainpumpASSY.