Samsung WA400 Series - Page 14

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TROUBLE DIAGNOSIS
No Water Fill
• PerformQuickTestMode.CheckallofWaterValvesvisually.
(ColdWaterValve,BleachWaterValve,SoftenerdispensesusingCold&BleachWaterValve,andHotWater
Valve.)
• Checkifwatertapsareturnedonfully.
• CheckWaterValvesandWaterLevelSensor(RefertoPCBConnectorCheck)
• Checkifthereisanykinkininlethoses.
• Checkifinletscreensarecloggedup.
• Checkifwaterhasenoughpressure.Ifso,ndoutitscontributors.
• Checkifthereisanyfrozenareaintheunit(DrainHose,etc)
• MeasuretheresistanceofWaterValveCoil.
(Itshouldread1.18Kohms.CheckPin#3ofCN6andpin#1.2.3.4ofCN4)
• CheckPressureS/WandPCBforlooseconnections.(RefertoPCBConnectorCheck.)
Tub Full of Suds
• Goto“WillNotDrain”and“WillNotSpin”andcheckthedraining.
• CheckPCBandDrainPumpforanyloosewireconnection.
• PerformQuickTestModeorBoardOutputTesttodrain.
• UseHE(High-Eciency)orlowsudsingdetergentspeciallyformulatedforfrontloadwashers.
• Reducetheamountofdetergentforthatspecicloadsizeandsoillevel.Keepinmindthattowelcreates
moresudsgenerally.
• Reducetheamountofdetergentwhenwaterissoft,orlaundryissmallorlightlysoiled.
• Doonemorewashingcyclewithcoldwaterandatablespoonofsaltwithoutdetergent.
Wet Clothes
• Unbalanceduetonotenoughload.Putadditionalload.
•
 Duetoexcessivesudsbyusinggeneraldetergent.UseHE(High-Eciency)orreduceitsquantity.
• LowSpinSpeedorDrainOnlywasselected.
• Goto“WillNotSpin”.
Will Not Lock
• PerformQuickTestMode.CheckDoorLock.
Checkthereistancefordoorlock.ifApprox0.2ohmbetweentheterminalofcontact(white-Redwire), 
andifnot,changepcb(refertopcbconnectorcheck).
• ReadLockSwitchandPCB(CN3).(RefertoPCBConnectorCheck.)
Will Not Unlock
• Displayshows“LO”.Turnoandontheunit.If“LO”keepsilluminating,checkPCBandDoorLockSwitch.
• ReadLockSwitchandPCB(CN3).(RefertoPCBConnectorCheck.)
• PerformQuickTestMode.CheckDoorLock.ChecktheresistancefordoorunlockifApprox0.2ohmbetween
theterminalofcontact(white-bluewire),andifnot,changepcb(refertopcbconnectorcheck).
TROUBLE SHOOTING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertowasher
beforeservicing,unlesstestingrequirespower.
WARNING
TECH MANUAL_DC68-03132A-03_EN.indd 14 2013-5-27 9:46:23