Samsung WD11 K64 Series - Page 38

36 _ Troubleshooting
Check Type
Check
Mode
Causes Remarks
Power Check 9C1,9C2
- 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.
(Acheck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)
Communication
Check
AC
- ThesignalsbetweenthesubandmainPBAsarenotsensed
becauseofcommuicationcheck.
- 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.
AC2 - ThediagnosisoftheI/OBoardcommunicationcheck.
AC3
- ThesignalsbetweenTheDRModuleandmainPBAsarenot
sensedbecauseofcommuicationcheck.
- 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check.
- 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check.
- 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check.
-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 Check
(Main Relay
Check)
BC2
- 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check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.
WD6500K_7-8-9-11kg_1400rpm-SM.indb 36 2018/11/9 9:53:31