Samsung DMT300 Series User manual

Brand: Samsung

Model: DMT300 Series

Category: Dishwashers

Type: User manual

DISHWASHER

ModelName:DMT300Series

ModelCode:DMT300RFS/XAADMT300RFS/XAC

DMT300RFB/XAADMT300RFB/XAC

DMT300RFW/XACDMT300RFW/XAC

SERVICE

MANUAL

DISHWASHERContents

1.SafetyInstructions

2.FeaturesandSpecications

3.DisassemblyandReassembly

4.Troubleshooting

5.PCBDiagram

6.WiringDiagram

7.SchematicDiagram

8.Reference

RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Contents

1.SafetyInstructions.............................................................................................................................1−1

1.1.SafetyInstructionsforServiceEngineers......................................................................................1−1

2.FeaturesandSpecications.................................................................................................................2−1

2.1.Features.................................................................................................................................2−1

2.2.Specications..........................................................................................................................2−2

2.3.ComparingSpecicationswithExistingModels............................................................................2−3

2.4.OptionsSpecications..............................................................................................................2−4

3.DisassemblyandReassembly..............................................................................................................3−1

3.1.ToolsforRemovalandReassembly.............................................................................................3−1

3.2.StandardDisassemblyDrawings.................................................................................................3−2

3.2.1.Themistor..................................................................................................................3−2

3.2.2.Heater.......................................................................................................................3−3

3.2.3.DrainPump................................................................................................................3−5

3.2.4.CirculationMotor........................................................................................................3−6

3.2.5.DistributorMotor........................................................................................................3−9

3.2.6.LeakageSensor...........................................................................................................3−10

3.2.7.PanelControl&MainPCB...........................................................................................3−10

3.2.8.Dispenser...................................................................................................................3−13

3.2.9.FanMotor..................................................................................................................3−14

3.2.10.CaseSensor................................................................................................................3−16

3.2.11.InletV alve&FlowMeter..............................................................................................3−17

3.2.12.Relay........................................................................................................................3−19

3.3.CheckpointsafterFinishingaService..........................................................................................3−20

4.Troubleshooting................................................................................................................................4−1

4.1.Informationcode.....................................................................................................................4−1

4.2.ServiceInspectionMode...........................................................................................................4−3

5.PCBDiagram...................................................................................................................................5−1

5.1.MainPCB..............................................................................................................................5−1

5.2.NewPBA-DetailedSpecicationsandDescriptionsforConnectorsandRelayTerminals(MAIN

PBA).....................................................................................................................................5−2

6.WiringDiagram................................................................................................................................6−1

6.1.WiringDiagram.......................................................................................................................6−1

7.SchematicDiagram...........................................................................................................................7−1

7.1.MainControl..........................................................................................................................7−1

8.Reference........................................................................................................................................8−1

8.1.ModelNumberNamingRules....................................................................................................8−1

8.2.Terminology...........................................................................................................................8−2

1.SafetyInstructions

1.1.SafetyInstructionsforServiceEngineers

•Makesuretoobservethefollowinginstructionstooperatetheproductcorrectlyandsafelyandpreventpossible

accidentsandhazardswhileservicing.

•Twotypesofsafetysymbols,WarningandCaution,areusedinthesafetyinstructions.

WARNING

Hazardsorunsafepracticesthatmayresultinseverepersonalinjuryordeath.

CAUTION

Hazardsorunsafepracticesthatmayresultinminorpersonalinjuryorpropertydamage.

BeforeServicing

WARNING

•(Whenservicingelectricalpartsorharnesses)Makesuretodisconnectthecircuitbreakerorpowercablebefore

servicing.

›Failingtodosomayresultinariskofelectricshock.

•Donotallowconsumerstoconnectseveralappliancestoasinglepoweroutlet

atthesametime.

›Thereisariskofreduetooverheating.

•Whenremovingthepowercord,makesuretoholdthepowerplugwhenpulling

theplugfromtheoutlet.

›Failingtodosomaydamagetheplugandresultinreorelectricshock.

•Whenthedishwasherisnotbeingused,makesuretodisconnectthecircuitbreaker

orpowercablefromthepoweroutlet.

›Failingtodosomayresultinelectricshockorreduetolightning.

•Donotplaceorusegasoline,thinners,alcohol,orotherammableorexplosivesubstancesnearthedishwasher.

›Thereisariskofexplosionandrecausedfromelectricsparks.

CAUTION

•Donotsprinklewaterontothedishwasherdirectlywhencleaningit.

›Thismayresultinelectricshockorre,andmayshortentheproductlifetime.

•Donotplaceanycontainerswithwateronthedishwasher.

›Ifthewaterisspilled,itmayresultinelectricshockorre.Thiswillalso

shortentheproductlifetime.

1.SafetyInstructions

CAUTION

•Donotinstallthedishwasherinalocationexposedtosnoworrain.

›Thismayresultinelectricshockorre,andshortentheproductlifetime.

•Donotpressacontrolbuttonusingasharptoolorobject.

›Thismayresultinelectricshockordamagetotheproduct.

WhileServicing

WARNING

•Checkifthepowercableisdamaged,attened,cutorotherwisedegraded.

›Iffaulty,replaceitimmediately.

›Failingtodosomayresultinelectricshockorre.

•Completelyremoveanydustorforeignmaterialfromthehousing,wiringandconnectionparts.

›Thiswillpreventariskofreduetotrackingandshortsinadvance.

•Whenconnectingwires,makesuretoconnectthemusingtherelevantconnectorsandcheckthattheyarecompletely

connected.

›Iftapeisusedinsteadoftheconnectors,itmaycausereduetotracking.

•MakesuretodischargethePBApowerterminalsbeforestartingtheservice.

›Failingtodosomayresultinahighvoltageelectricshock.

•Whenreplacingtheheater,makesuretofastentheholderheaterafterensuringthatitisinsertedintothebracket-heater.

›Ifnotinsertedintothebracket-heater,ittouchesthetubandcausesnoiseandelectricleakage.

DuringServicing

CAUTION

•Whenwiringaharness,makesuretosealitcompletelysonoliquidcanenter.

›Makesurethattheydonotbreakwhenforceisexerted.

•Checkifthereisanyresiduethatshowsthatliquidenteredtheelectricpartsorharnesses.

›Ifanyliquidhasenteredintoapart,replaceitorcompletelyremoveanyremainingmoisturefromit.

•Ifyouneedtoplacethedishwasheronitsbackforservicingpurposes,placeasupport(s)ontheoorandlayit

downcarefullysothebackisontheoor.

›Donotlayitdownonitsfrontorside.Thismayresultinscratchestothesurfaceordamagetotheparts.

1.SafetyInstructions

AfterServicing

WARNING

•Checkforanywaterleakage.

›Performatestrunforthedishwasherusingthestandard(normal)cycleandcheckwhetherthereisanywater

leakagethroughtheoorsectionorthepipes.

•Donotallowconsumerstorepairorserviceanypartofthedishwasherthemselves.

›Thismayresultinpersonalinjuryandshortentheproductlifetime.

•Ifitseemsthatgroundingisneededduetowaterormoisture,makesuretorungroundingwires.

(Checkthegroundingofthepoweroutlet,andadditionallygroundittoametallicwaterpipe.)

›Failingtodosomayresultinelectricshockduetoelectricleakage.

[Runningagroundingwire]

›Twistagroundingwire(copperwire)twoorthreetimesaroundthetap.

›Ifyouconnectthegroundingwiretoacopperplate,buryit75cmundertheearthinaplacewithalotofmoisture.

NOTE

Donotconnectthegroundingwiretoagaspipe,plasticwaterpipeortelephonewire.Thereisariskofelectricshock

orexplosion.

CAUTION

•Checktheassembledstatusoftheparts.

›Theymustbethesameasbeforeservicing.

•Checktheinsulationresistance.

›Disconnectthecircuitbreakerorpowercablefromthepoweroutletandmeasuretheinsulationresistance

betweenthepowerwiresandthegroundingwireofthedishwasher.Thevaluemustbegreaterthan10MΩ

whenmeasuredwitha500VDCMegger.

•Checkwhethertheproductislevelwiththeoor.Checkifthereareany

deformationsinthesink.Checkthatthedishwasherisrmlyinstalledtothesink.

›Vibrationscanshortenthelifetimeoftheproduct.

2.FeaturesandSpecications

2.1.Features

FeaturesDescriptionRemarks

ExtralargecapacityTheupperrackisslantedforlargerdishes.Thespacehasbeen

maximizedtoaccommodateavarietyofdishsizes.

ExtremelyquietoperationEfcientnoisecontroltechnologyisusedforthequietestpossible

operation.Y ournewSamsungdishwasherwillbequieterthanever.

Self-cleaninglterCleaningthelteryourselfisathingofthepast!Thisproductkeeps

foodwasteinternallywhileoperating,thendrainsitautomaticallywith

thewater.

SmartDigitalleakagesensorSamsungdishwasherisequippedwithauniqueDigitalLeakageSensor

designedtodetecteventhesmallesttracesofwater.Locatedbelowthe

dishwasher,thesensorimmediatelyshutsofftheelectricalconnection

afterdetectingaleaksavingyoufromtheexpensiveaftermathofa

water-relatedemergency.

2.FeaturesandSpecications

2.2.Specications

Washcapacity14placesettings

TypeDishwasher

ModelDMT300RFS,DMT300RFB,DMT300RFW

PowerSingle-phasedalternatingcurrentof60Hz,15Aat120V

Usedwaterpressure20~120psi(140~830kPa)

WashtypeRotatingnozzlespray

DrytypeAirventdrysystem

PowerusageMainMotor:185W/Heater:1100W

Standardamountofusedwater3.9~7.9gallon(14.7~30ℓ),NormalCycle

Size(W×D×H)23⅞"x24¾"x33⅞"inch(605x627x860mm)























NOTE

Aboveimagesmightdifferinthedishwashermodels.

2.FeaturesandSpecications

2.3.ComparingSpecicationswithExistingModels

NEWMODELBASICMODEL

Model

DMT300RFSDMT300RFBDMT300RFWDMR57LFSDMR57LFBDMR57LFW

Photo

DesignSpecications

PanelControlSilverBlackWhiteSilverBlackWhite

FrameFrontButtonButtonButtonTouchTouchTouch

HandleSTSBlackWhiteSTSBlackWhite

CoverHandleXXXCrBlackCr

CoverFrontLSilverBlackWhiteSilverBlackWhite

FunctionalSpecications

SoilDetectionSensorsOOOOOO

DryingmethodAirventAirventAirventCondensingCondensingCondensing

BasketHeightAdjustment2-stage2-stage2-stage2-stage2-stage2-stage

HalfLoadXXXXXX

ChildLockOOOOOO

SanitizeOOOOOO

LeakageSensorOOOOOO

DelaystartXXXOOO

2.FeaturesandSpecications

2.4.OptionsSpecications

PhotoItemCodeQuantityRemarks

Bracket-installDD61-00176A2

Assy-installkitforTopmounting

(Bracket-install+Screw)

DD94-01002A2+2

Screwforsidemounting2

UserManual1

InstallationGuideDD68-00027A1

Providedwith

thedishwasher

Elbow-1

WaterSupplyLine

(FlexibleSTSsupplylineis

recommend)

-1

AirGap-1

RubberConnector-1

HoseClamp-1

StrainRelief-1

Soldseparately

3.DisassemblyandReassembly

3.1.ToolsforRemovalandReassembly

Toolimage

No.ToolTypeRemarks

(1)AdjustableWrench

(2)Open-endWrench1-7/16”Leg

(3)Vicepliers

(4)Others

(screwdriver,nipper,longnosepliers)

Commontoolsforservicing

Screwdriver-Philips,at,

TorxT20

Preparationforpartsreplacement

1)Takeouttheresidualwaterinsidetheproduct.

(Drainthewaterbyoperatingthedrainpump)

2)Closethewatersupplyvalve.

3)Turnoffthepower&disconnectpowercable.

Youmustturnoffthecircuitbreakerconnectedtotheproduct.

4)Pullouttheunitfromthesinkandlayitontheoor.

Becarefulofthedrainhosewhenpullingouttheunit.

3.DisassemblyandReassembly

3.2.StandardDisassemblyDrawings

3.2.1.Themistor

1.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

2.Removetheleakagesensorconnector(white)inside

theshutter.

3.Disconnectthewireterminal(blue)connectedtothe

thermistor.

4.Checkthelocationofthethermistorandremovethetwo

(2)screwsthatholdthethermistortothecasesump.

3.DisassemblyandReassembly

3.2.2.Heater

1.Openthedoorcompletely.

Removetheupperandlowerbaskets.

Placethebasketsyou’vejustremovedinasafelocation

sothattheydonotinterferewiththeserviceoperations

andtopreventthemfrombeingdamaged.

2.Useyourhandtoholdthelowernozzleandremoveit.

Placetheremovedlowernozzleinasafelocationalong

withthebaskets.

3.Holdthenozzleduct,andremoveitcarefully.

Toremoveitsmoothly,removethehooksclampingthe

bracketduct(U)usingaatscrewdriverandremove

thehooksclampingthebracketduct(M).

Pullthemoutwhilerotatingthemtotheleft.

4.Removethecoverheaterfromthesumpassy.

Youwillneedaatscrewdriverfortheremoval.

Toremoveahookfromthecoverheater,inserttheend

ofthescrewdriverintothegapbetweencoverheater

andcoversump,andpushthehandleofscrewdriver

andthehook.

Removeremainfour(4)hooksusingsameway.

3.DisassemblyandReassembly

5.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

CAUTION

Beforeplacingthedishwasheronitsback,make

suretocheckwhetheranywaterisleft.Remove

anyremainingwater.(Thereisariskofredueto

awaterleakagewhileservicing).

6.Removetheleakagesensorconnector(white)inthe

shutter.

7.Removethetwo(2)terminalswhichareinsertedinto

theheater

Donotpullthewire.Removeitbyholdingthemetallic

partattheendofthewire.

8.Removethetwo(2)holderheaterswhichareconnected

totheheaterbyrotatingthemcounterclockwise.

9.Placethedishwashertherightwayupagain.Openthe

doorandholdandremovetheheater.

CAUTION

Theheatermaybeveryhot.Makesuretocheckit

beforetouchingtheheater .

CAUTION

Makesuretocheckwhetheranywaterisleft.

Removeanyremainingwater,topreventwater

leakageswhileservicing.

3.DisassemblyandReassembly

3.2.3.DrainPump

1.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

2.Removetheleakagesensorconnector(white)inthe

shutter.

3.Disconnectthetwo(2)drainpumpconnectors.

4.Removethedrainpumpbyrotatingitcounterclockwise.

Whenremovingthedrainpump,liftupthehook

holdingitinplaceslightlyandthenrotateitsothatthe

hookisnotdamaged.

3.DisassemblyandReassembly

3.2.4.CirculationMotor

1.Openthedoorcompletely.

Removetheupperandlowerbaskets.

Placethebasketsyou’vejustremovedinasafelocation

sothattheydonotinterferewiththeserviceoperations

andtopreventthemfrombeingdamaged.

2.Useyourhandtoholdthelowernozzleandremoveit.

Placetheremovedlowernozzleinasafelocationalong

withthebaskets.

3.Holdthenozzleduct,andremoveitcarefully.

Toremoveitsmoothly,removethehooksclampingthe

bracketduct(U)usingaatscrewdriverandremove

thehooksclampingthebracketduct(M).

Pullthemoutwhilerotatingthemtotheleft.

4.Removethesumpassy.

Removetheten(10)screwsontheassyltermesh.

(Exceptthetwo(2)screwsholdingtheholdernozzle

Linplace)

3.DisassemblyandReassembly

5.Removethescrewsandliftupandremovethecover

sump.Thecoversump,coverscroll,assyltermesh,

holdernozzleL,andcoverheaterwillberemoved

together.

CAUTION

Placetheremovedpartsinasafelocationtoprevent

themfrombeingdamaged.

6.RemovetheImpellercirculation.

Removethescrew(1)thatisholdingthecirculation

motortotheshaft.Useyourhandtoholdtheimpeller

circulationandturnthescrew.

CAUTION

Turnthescrewclockwisetoremoveit.

7.Removethevalvedistributor.

Removethesealdistributor.

CAUTION

Makesuretocheckwhetheranywaterisleft.

Removeanyremainingwatertopreventwater

leakageswhileservicing.

8.Removethecasescroll.

Checkifthesealrubberscrollisnormal.Ifitis

damagedorhardened,replaceit.

9.Removethecutterdisposer.

CAUTION

Bothsidesaresharp.Becarefulwhenremovingit.

3.DisassemblyandReassembly

10.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

11.Removetheleakagesensorconnector(white)inside

theshutter.

12.Removethecirculationmotorconnector(white).

13.Removetheve(5)screwsholdingthecirculation

motorandthesumpinplace.

14.Holdandpullthecirculationmotortoremoveitfrom

thesump.

3.DisassemblyandReassembly

3.2.5.DistributorMotor

1.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

2.Removetheleakagesensorconnector(white)inside

theshutter.

3.Removethetwo(2)distributormotorconnectors.

4.Removethetwo(2)screwsthatholdthedistributor

motorinplace.

(Youcanremoveoneofthetwoscrewsthroughthe

holeinthebase.)

Pullthedistributormotorout.

CAUTION

Becarefulremovingbecauseitiscombinewith

rubbersealanddistributorvalve.

3.DisassemblyandReassembly

3.2.6.LeakageSensor

1.Placethedishwasheronitsbacksothatyoucanseethe

base.Removethetwo(2)screwsthatholdthebaseand

theshutterinplace.

2.Removetheleakagesensorconnector(white)inside

theshutter.

3.Removetheleakagesensorfromtheshutterby

unfasteningthetwo(2)screwsholdingitinplace.

3.2.7.PanelControl&MainPCB

1.Openthedoorcompletely.

Removethetwelve(12)screwsholdingthetubfront,

framefront,andpanelcontrolinplace.

CAUTION

Beforeremovingthescrews,placeacushionedmat

ontheoortopreventthehandleandframefront

frombeingscratched.Afterremovingthem,make

suretoholdthetubfrontwithyourhandwhileyou

areworkingasthetubmaycloseandharmyou.

CAUTION

Donotplacetheremovedscrewsonthetubfront.

Theymayfallintothesumpassy.

3.DisassemblyandReassembly

2.Removethefanmotor&thermalactuatorconnectors.

3.Nowremovetheframefrontandthepanelcontrolassy.

Placeitontheoorandperformthefollowing:Remove

thepanelcontrolfromtheframefront.Youcanremove

thepanelcontrolbyholdingandpullingit.

And,youcanremoveandreplacethedoorlockswitch

inthisstep.(Removebothconnectorsofdoorlock

switch.)

4.Removethefour(4)screwsholdingthePCBassyand

panelcontrolinplace.

RemovealltheconnectorsconnectedtothePCBassy.

5.YoucanremovethePCBassy.

6.Removethethree(3)screwsholdingthePCBtactassy

andpanelcontrolinplace.

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Samsung DMT300 Series User manual

Brand: Samsung

Model: DMT300 Series

Category: Dishwashers

Type: User manual

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Samsung DMT300 Series User manual

Samsung DMT300 Series User manual

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