Samsung WF45N5300AV - Page 24

22 _ Troubleshooting
Error Type For USA Causes Remarks
Communication
Error
AC
- 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.
AC3
- ThesignalsbetweenTheDRModuleandmainPBAsarenot
sensedbecauseofcommuicationerror.
- CheckTheconnectorconnectionsbetweenTheDRModule
andmainPBAscarefully.
→Checkforincorrectorlooseconnections,etc.
- RemoveTheDRModuleandCheckforanyfaultysoldering.
AC4
- ThesignalsbetweenTheWIFIModuleandmainPBAsarenot
sensedbecauseofcommuicationerror.
- CheckTheconnectorconnectionsbetweenTheWIFIModule
andmainPBAscarefully.
→Checkforincorrectorlooseconnections,etc.
- RemovetheWIFIModuleandCheckforanyfaultysoldering.
AC5
- ThesignalsbetweenTheLCDModuleandmainPBAsarenot
sensedbecauseofcommuicationerror.
- CheckTheconnectorconnectionsbetweenTheLCDModule
andmainPBAscarefully.
→Checkforincorrectorlooseconnections,etc.
- RemoveTheLCDModuleandCheckforanyfaultysoldering.
AC6
-ThesignalsbetweentheInverterPBAandmainPBAarenot
sensedbecauseofcommunicationerror.
-CheckTheconnectorconnectionsbetweentheInverterPBA
andmainPBAcarefully.
→Checkforincorrectorlooseconnections,etc.
-RemovetheInverterPBAandCheckforanyfaultysoldering.
Switch Error
(Main Relay
Error)
BC2
- 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.
Door Error
DC
- 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.
- ThisoccursintheBoilwashbecausethedoorispusheddue
toapressuredi󰀨erencefrominternaltemperaturechanges.
Whenthedoorisnot
lockedafterthedoor
closeoperation.
DC1
- 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.
Heater Error HC,HC1
- Thewashingheaterisshort-circuitedorhasawire
disconnected.
- Thewashingheaterinthetubhasanerror.
(Contacterror,temperaturesensorfault)
- Ifthewaterlevelsensoroperateswithoutwaterbecausewater
isfrozenorforanyotherreasonandthetemperaturesensor
engagedatthebottomtopreventoverheatingforthewashing
heaterdetectsatemperatureof100to150˚C,thewashing
machineturnstheinputpowero󰀨.
Iftheheaterhasno
error,thisoccurs
becauseofaPBArelay
malfunction.