Samsung WF520AB Series - Detergent, Bleach, and Softener Usage

24 _ Troubleshooting
Error Type
For USA
Causes Remarks
LED LCD
Power Error
2E
ERROR!
High/Low Voltage Detected
- Checktheconsumer’spowerconditions.
: Makesuretochecktheoperatingvoltage.Connect
atestertotheinternalpowerterminalsduringthe
BoilorDryoperationsandobservethewashing
machine’soperationcarefully.
: Checkthevoltages.(Anerroroccurswhenunder
orovervoltageissupplied.)
: Checkwhetheraplugreceptacleisused.When
theconnectingwireis1m,amomentarylow
voltagemaydropupto10V
- MainPBAfault(sometimes)
PF -
- Thiserrorisnotafaultbutoccursduringa
momentarypowerfailure
: Whenthiserrorcodeisdisplayed,theoperation
restartsfromthecyclethatwasstoppedduetothe
powerfailure.
: Ifthewashingmachineisnotoperatingandthis
errorcodeisdisplayed,itisdisplayedtonotifythat
apowerfailurehasoccurred.
Communication
Error
AE
Electronic Control Problem
ERROR!
- ThesignalsbetweenthesubandmainPBAsarenot
sensedbecauseofcommuicationerror.
- Checktheconnectorconnectionsbetweenthesub
andmainPBAscarefully.
→Checkforincorrectorlooseconnections,etc.
- RemovethesubPBAC/Panelandcheckforany
faultysoldering.
Switch Error
(Main Relay
Error)
E2
A Button is either stuck or is
being pressed continuouly .
ERROR!
- ThePowerbuttonispressedcontinually(formore
than12seconds).
- Aswitchisjammedorstuckduetobepressed
unevenlyduetodeformationofthecontrolpanelor
button.
- Thiserrormayoccurwhenthescrewsthatholdthe
subPBAinplacearetightenedtoomuch.
- AbuttonotherthanthePowerbuttoniscontinually
pressed(formorethan30seconds).
- Deformationofaninternalplasticinjectionpart
- AscrewforassemblingthesubPBAistightenedtoo
much.
Sr
Power Interruption
ERROR!
- ThemainrelayofthePBAisshort-circuited.
- Themainrelayterminalisconnectedincorrectly.
 (Theterminalisbentandcontactcannotbemade.)
WhenthePBA
motorrelaydoes
not operate
Door Error
dS
(Before
operation)
ERROR!
Door is open.
- Aswitchcontacterrorbecauseofadeformationofthe
doorhook
- Whenthedoorispulledbyforce
Whenthedooris
notopenedafter
thedooropen
operation
dL
(During
operation)
ERROR!
The Door was unlocked wh-
ile the washer was running.
- ThisoccursintheBoilwashbecausethedooris
pushedduetoapressuredifferencefrominternal
temperaturechanges
Whenthedooris
notlockedafter
thedoorclose
operation
LO
(Unlock
Fail)
The Door will not unlock.
ERROR!
- Thedoorlockswitchterminalisconnectedincorrectly.
- Thedoorlockswitchterminalisbroken.
- Thisoccursintermittentlybecauseofanelectricwire
leakage
- MainPCBfault
FL
(LockFail)
ERROR!
The Washer door would not
lock.