Daewoo KUD-UD121DCR Service Manual Download Page 8

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3. OPERATING MECHANISM DIAGRAM

4. WATER SUPPLY PART

• Cold Water: 3 holes

Cold water, pre-washing

• Hot Water: 1 hole
• Water supply box, hose

Water

Supply

Detergent
Container

Thermister

Door

Door
Switch

Drainage

Pump

Washing

Heater

5. DOOR

• Door lock S/W
• Lock hinge
• Door AS: Glass
• Gasket

6. DRY PARTS

• HEATER DRY : OPTION
• BLOWER FAN
• FAN MOTOR : BLDC
• THERMISTOR
• THERMOSTAT

: FUSE, BI-METAL

• CONDENSING SYSTEM
• DRY FAN DRIVE

→

GENERATION OF HEATER’S

HEAT

→

TEMP. SENSOR

→

110°C Off 100°C On : OPTION

7. DRAINAGE PART

• Drainage pump
• Valve housing
• Hose

Summary of Contents for KUD-UD121DCR

Page 1: ...Service Manual Model KUD UD121DCR Auto Washer Dry KUD UD121WCW...

Page 2: ...ECHANISM DIAGRAM 6 4 EACH PART OF DRUM WASHING MACHINE 8 5 PARTS LIST BY ASS Y 10 6 CONTROL PART FUNCTION SPECIFICATION 25 7 ELECTRONIC FIELD PARTS LIST AND SPECIFICATION 48 8 WIRING DIAGRAM 75 9 TROU...

Page 3: ...StarDrum UsingStarDrumisabletohigherWashing PerformanceandMinimaldamageoflaundry water consumption Thebiggestcapacitywithcompactsize 12KgCapacityenabletowashbiggerlaundry Sumultaneoussupplyofcoldandho...

Page 4: ...drive type of direct connection between drum and motor Rotation by powerful high performance BLDC motor Pump drainage type for built in installation and Natural drainage 3 Power System p d n d lifter...

Page 5: ...Rinsing Rinsing cleanly washes out detergent and dirt removed from the laundry after washing cycle Spin drying Weak standard and strong spin cycle can be selected according to types of fabrics to be...

Page 6: ...Q R DIMENSION WxDxH 630mm W x 792mm D x 976mm H MACHINE WEIGHT 82 kg WATER CONSUMPTION WASH 91 DRY 51 WASHING CONSUMPTION 31 POWER SOURCE 230V 50Hz 110V 60Hz 127V 60Hz POWER WASHING 200W Heating 2000W...

Page 7: ...m W x 792mm D x 976mm H MACHINE WEIGHT 82 kg WATER CONSUMPTION WASH 91 DRY 51 WASHING CONSUMPTION 31 POWER SOURCE 230V 50Hz 110V 60Hz 127V 60Hz POWER WASHING 200W Heating 2000W CONSUMPTION DRY 1200W 2...

Page 8: ...ainer Thermister Door Door Switch Drainage Pump Washing Heater 5 DOOR Door lock S W Lock hinge Door AS Glass Gasket 6 DRY PARTS HEATERDRY OPTION BLOWERFAN FANMOTOR BLDC THERMISTOR THERMOSTAT FUSE BI M...

Page 9: ...er 8 SUPPORTER DAMPER AS Front 2 70 Rear 2 110N Spring 2 3 HEATING PART Water Heater 1000W 2000W Washing temperature sensor 2 DRIVING PART BLDC motor Drum Bearing Spider shaft Tub Weight balancer 1 CO...

Page 10: ...8 4 EACHPARTOFDRUMWASHINGMACHINE QN panel f assy UN main pcb as VN duct b as XN tub assy WN base u as TN cabinet f assy SN door as...

Page 11: ...9 RN inlet box as assy 7 4 3 2 1 5 6 J J t tu ub b a as ss sy y QI bldc rotor RI bldc stator SI shaft TI bearing UI spider VI drum WI tub...

Page 12: ...yABS 1 A07 BUTTONDIALIN 3616637300 ABS 1 A08 BUTTONDIALOUT 3616637500 Transparency 1 A09 BUTTONSTART 3616637600 ABS 1 A10 BUTTONRES 3616637200 ABS 1 A11 BUTTONFUNCTION 3616637700 ABS 1 A12 WINDOWDISPL...

Page 13: ...00 ID 60 WIRE GUIDE BOLT NUT 2 B10 HOSEWATERSUPPLY 3613270900 EPDMID9 5OD14 5 L 320mm 1 Combo EPDMID9 5OD14 5 L 370mm 1 Wash B11 HOSEWATERSUPPLY 3613270900 EPDMID9 5OD14 5 L 355mm 1 B12 HOSEWATERSUPPL...

Page 14: ...13 3 CABINET F ASSY...

Page 15: ...OOR 3610916500 POM 4 C05 FRAMEDOORO 3612209900 ABS CR 1 C06 HANDLECOVER 3612611500 ABS 1 C07 HOOKDOOR 3613100900 ZNDC 1 C08 SPRINGHOOK 3615115400 SUS304 1 C09 HOOKSHAFT 3613101000 SUS D 3 0 1 C10 SWIT...

Page 16: ...15 4 CABINET ASSY...

Page 17: ...9400 GI1 6t 1 D04 CABINET 3610812900 SGCC0 8t 1 D05 COVERBACKAS 3611425540 COVERBACK PADCABINET 1 D06 STOPPERSPRING 3615202200 POM DWD 100DR 2 D07 FIXTUREPLATE 3612008000 POM 130RP 8 D08 FRAMEUPPER 36...

Page 18: ...17 5 BASE U AS...

Page 19: ...E04 SPECIALBOLT 3616029000 10X1 25 51MM 4 E05 FOOT 3612100600 BUTYL DWD 100DR 4 E06 REACTOR 52G043J002 DWD 100DR 4A 1 E07 DAMPERFRICTION 361A700150 110NAKSST 170 260DL 197 5LOWNOISE 2 E08 DAMPERFRICT...

Page 20: ...19 6 TUB ASSY F22...

Page 21: ...L 1810 1 F13 AIRTRAPAS 3610AAR120 DWD T120R 1 F14 SPRINGSUSPENSION 3615115800 DWD T120R 2 F15 UNITBUBBLEPUMP 3612802410 230V 1 36189L4G00 100V 130V 1 F16 HOSEAIR 3613266300 EPDM 1 F17 TUBREAR 36188297...

Page 22: ...21 7 DUCT B AS DUCT PIPE AS...

Page 23: ...PACKINGTHERMOSTAT 3614009900 SILICON 1 G12 SWITCHTHERMOSTAT 3619046500 ON120 OFF150 230V 1 G13 HEATERDRY 3612801400 230V 2100W 1 3612802100 120V 1200W 1 3612801300 110V 1200W 1 G14 THERMISTORDRY 361AA...

Page 24: ...23 8 PLATE TOP ASSY No PARTSNAME CODE SPECIFICATIONS Q TY REMARK H01 PLATETOP 3614539900 SECC1 2T 1 H02 LABELCAUTION 3613553830 PVC SILK 1 H03 LABELINSTALL 3613555700 ART OPP WATERVALVESTICKER 1...

Page 25: ...U RP QU d Q b s R m N s S w s R r Q S d Q b s R m N s S w s R r R S d Q b s R m N s S w s R r S S d Q b s R W m s U S c VP e QP r r t t d d QZTR QZTW QZUY RZRV RZSV note p p r r e eN N w w a a s s h h...

Page 26: ...Q b s Q m N s S w s R r R S d Q b s R m N s S w s R r S S d Q b s R W m s U S c VP d QPP SP c U e QP c SP c VP e QP r r t t d d TY SR QZQQ QZTW QZUQ SU note w a s h i n g r i n s e s p i n d r y end Q...

Page 27: ...QU d Q b s R m N s S w s R r Q S d Q b s R m N s S w s R r R S d Q b s R m N s S w s R r S S d Q b s R m N s S w s R r T S d Q b s R W m s U S c c VP e QP r r t t d d QZTW QZUP RZPP RZSR RZQP RZQP QZT...

Page 28: ...c w l heating t w t t w t SP s RP RU TU m RU RU UP n TP s RP HKWI TP VW m RU HKWI TP WR VP s SP RU UU m TU RU WP s WU RU QPP m XU RU QQP SPLTP s RU RU UP m RU RU UP s w VP s SP RU UU m SP RU UU YP s...

Page 29: ...UOQP UOQP UOQP UOQP UOQP x UOQP UOQP UOQP UOQP UOQP UOQP UOQP h QPOQP QPOQP QPOQU QPOQP QPOQP QPOQU QXOW QXOW x x QPOQP QPOQP QPOQP QPOQP QPOQU x m w QXOV QPOQP WOQU QPOQP QPOQP WOQU QPOU QPOW ROQU Q...

Page 30: ...s c L bMs N n w s w h s b c s d q SP b t c w t c c c c c c c c c c r t S S S S S S S S S S m N s S S S S S S S S S S m N s N N TU N N TU N N TU N N TU N N TU N N TU N N TU N N TU N N TU N N TU N N UO...

Page 31: ...R RM MS SN N s s s s QI d i d s N RI b s i u c L s rMs N bMs u u L SUP N N SI rHr I s f bMs s s r s N N N TI s s b s N R RM MT TN N e e QI c c c c N i SP L s s N w s G RI e a QP L endN i L N a end L...

Page 32: ...s N t N d UP c s N c U N d HQ I d HQTT I coolingHU I e HQP I c c HSP I M n d c n w s w h s q SP d s max max max max max e a m N c c d cooling w f t h o Oo t H I l QPOU QUOU QPOQP QPOUP QQP WPOVP l Hs...

Page 33: ...on XI c c c c d s SP N o m w f R RM MV VN N s s s s QI s w s Q NL R L s s N RI s h i N L N s h t N SI s w t N s w t TI f s w s s N w s Q N UI f s w i G N m w RU N VI m w s c e n s t WP WU YP t QU QU...

Page 34: ...ng during balance spin Spreading the laundry Rotating the same 45 rpm with left and right direction alternatively Unbalance checking point first step sheck the U B at 95 rpm 160 rpm second step check...

Page 35: ...ry during washing press the door unlock button Door open sequence at abnormal condition 3 4 Child Lock Press the Spin and Condensing Dry button simultaneously during processing Under the Child Lock fu...

Page 36: ...35 no no yes yes Start Hold Door unlock button 2sec ON DISPLAY LOCK OFF Door Open Cold water supply Drainage Water level is less than safety level Temperature is less than 50...

Page 37: ...WOpen 2 Moredetails 1Whenturnon LOCK signal allprocessisconductingnormaly 2Whenworkingstarts thePCBdisplaysallthesensorconditions 3Inthiscase BLDCMotorisnottested Inordertotestit selectspinorrinse 5...

Page 38: ...d off and OE blinks in 18 88 display 3 Error buzzer alarm is sounded for 10 seconds per every 10 minutes 4 Error display is cleared when turning off on power 6 3 UE Unbalance Error 1 Conditions of Occ...

Page 39: ...ne test mode 2 Water supply motor is kept on until water level falls below reset 3 All LEDs are turned off and E1 blinks in 18 88 display 4 Error buzzer alarm is sounded for 10 seconds per every 10 mi...

Page 40: ...or 10 seconds per every 10 minutes 4 Error display is cleared when turning off on power 6 8 E9 Abnormalities in water level sensor 1 Conditions of Occurrence In case water level frequency is of 15KHz...

Page 41: ...indow Error buzzer alarm is sounded for 10 seconds per every 10 minutes Error display is cleared when turning off on power 4 E8 Initial Operation Fail Error In case input signal of Hall IC is abnormal...

Page 42: ...mperature is higher than 42 If temperature does not increase by1 or more If temperature falls below standard temperature by 2 or more due to re supply of water etc standard temperature is reset as the...

Page 43: ...QPPPw QQPv SVQRXPRTSP QPPPw RSPv SVQRXPQTPP RQPPw QP heater dry QRPv SVQRXPRQPP QRPPw QQPv SVQRXPQSPP QRPPw QQ switch thermostat QPPMRUPv SVQYPTVUPP onQRP offQUP RSPv QUa vde unit stator bldc RXt SVQ...

Page 44: ...L solenoid RSPv QSP L ptc heater ntMQPSnaHUxvIfQUPMQRPL U v SQPvdcLv UvLRsensor RXt al coil statorZclass bLSVslot tRXL air gap Q L rotor Z RVU RXhL m RT output wash QTUwL torque SPPk N H TUrpmIL chip...

Page 45: ...yellow V blue W white GNC black GND1 black Vdd1 purple L F white GND2 gray Vdd2 pink Ha yellow T2 orange T1 brown COLD green PRE orange DRY yellow L CHCK blue HOT brown D M black B B white red red red...

Page 46: ...cebetweenwatersupplyvalveterminalsis within4320 5280 Removewatersupplyhoseandcheckforforeignsubstancesin filter Visuallycheckconnectorconnectionstatus Checkifresistancebetweenwatersupplyvalveterminals...

Page 47: ...ure 0 2kgf cm or less Blocking of water supply valve filter by foreign substances Defect in cold hot water valve Defect in connection of water supply terminal not connected Defect in pressure switch D...

Page 48: ...emove elements of connection defect Try reconnection or remove elements of connection defect Replace water supply valve Connect terminal of pressure S W Connect terminal of PCB Replace pressure S W Co...

Page 49: ...cafterdrainage levelresetisreached 2 Heateroperationlevel Low Smallloadoflaundry thereforeconsideredtobe waterlevelof low Medium Largeloadoflaundry MediumHigh Waterlevelforrinsing Safety Dooropenpossi...

Page 50: ...ray 3611340430 LP 31 SJT 2 3m 2 Assembly 4 embossed parts in cabinet To prevent loosening after assembly SS 2 special screws LG Forced indentation CONNECTOR 1806 Housing 3P Used Using both ends only a...

Page 51: ...49 5 DOOR LOCK SWITCH 1 DOOR LOCK S W part code description SVQYPTWRPP door lock dlMsQ RUPv ptcMsolenoid type...

Page 52: ...sert connector Insert terminal S W 2 or 3 terminal Replace door S W Door opens after drainage LE LE LE LE LE LE LE LE Normal sound generated during solenoid operation when sliding CAM is locked unlock...

Page 53: ...Heater of Washing Machine Classification Parts name A DUCTCOVER B FANMOTOR C HEATERDRY D DUCTBLOWER E VALVEINLET DRY F THERMOSTAT G THERMISTOR H DUCTBUPPER I FANAS J FUSETEMPERATURE E C D B A I J F H...

Page 54: ...ONDENSINGDUCT andcondensedinDUCTcontactingWATERSUPPLY condensedwater isextractedthroughDRAINHOUSING Dryfunctionisperformedbycontinuousrepetitionofevaporatingandcondensingcirculationasabove DRY DUCT T...

Page 55: ...C Off Drying Time is 110min according to Load Sensing Data IRON Heater control temperature is 95 C On 105 C Off with good condition for ironing Drying Time is 60min according to Load Sensing Data Cupb...

Page 56: ...ngtheairtemperature FAILUREMODE Theaircannotbeheatedeventhoughwaterissupplied H1 shotorcut off H3 airtemp isreachedover150 C CHECKINGMETHOD Checktheresistanceofthermistor replacewithnewone FUSETEMPERA...

Page 57: ...andreoperatingheater byconnectingheaterpowersupplyifthetemperaturefallsunder120 C OPERATINGTEMPERATURE PICTURE UNITFANMOTOR function circulatingtheinsideairduringdryprocess SPEC PICTURE FAILUREMODE E...

Page 58: ...onebeforethedryhadstarted Situation PCBshows H1 or H3 cause Thermistorisbroken Thermistorisshortorcut off countermeasures replacetheThermistor part name checking point checking results jurge repair me...

Page 59: ...eater replacetheFusetemp checking point part name checking results repaire method HEATER SENSORTEMP FUSETEMP dryHeaterisshortorcut off Thermistorisshortorcut off FUSETEMPERATUREiscut off replacethe dr...

Page 60: ...failure replace fanmotor 1DisassembleDuctCoverAsfromDuctBAs Screw4EA 2DisassembleFANASFromDuctCoverAs Fixedby8mmNUT 3DisassembletheFANMOTOR SCREW3EA parts Controltime MOTOR 15secOn 5secOff DRAINMOTOR...

Page 61: ...U UW SNTWS SNUYV SNWRP YX PNYWQ QNPPU QNPSX MRR QPSNVVU QPYNPSY QQTNTQS QX QUNTPR QVNPWR QVNWTS UX SNSUU SNTWT SNUYS YY PNYTT PNYWW QNPQP MRQ YXNSXW QPSNTVW QPXNUTW QY QTNWVW QUNTPW QVNPTV UY SNRTS SN...

Page 62: ...TY WX VNQRU VNUSV VNYUW QST QNRRU QNSQS QNTPT RS TXNSQ USNWW UYNWP WY UNYSQ VNSRU VNWRY QSU QNQYT QNRXQ QNSWP RT TVNRU UQNTS UWNPU XP UNWTU VNQRS VNUPY QSV QNQVT QNRTY QNSSW RU TTNRX TYNRP UTNUS XQ UN...

Page 63: ...Pv QPPPw SVQRXPRTTP irca QRPv QRPPw SVQRXPRQPP irca QQPv QPPPw SVQRXPRTSP irca QQPv QRPPw SVQRXPQSPP Temp Fuse of Washing Heater 184 C CUT OFF TYPE Located inside heater to prevent fire etc caused by...

Page 64: ...eater Insert terminal Replace temp sensor Replace temp sensor H6 H6 H6 H2 H2 or H4 Check for short Check for short Normal if 23 3 25 7ohm between both terminals of washing heater Check for loosening C...

Page 65: ...63 1 Structure of BLDC Motor 7 HEATER bldc motor 2 Power Transmission System of BLDC Motor...

Page 66: ...les Core 36 slots Layer 30mm 390 W 10 during washing picked value During Washing 45RPM During Spin drying 1300RPM Torque 300Kgf cm washing 45rpm Current 1 5A washing 45rpm 2 5A spin drying 800rpm AC I...

Page 67: ...65 8 WIRINGDIAGRAM...

Page 68: ...thods Situation OE isshownonPCB Notfinishingdrainduring10min ThewaterlevelcannotreachtoRESETPOINTduring10minofdrain Checking Methods Check the hose drain O condition twisted or frozen Check the hose d...

Page 69: ...ure UP DOWN AS Adjust Leg FIGURES special screw up fixture up fixture down foot fixture leg special screw down 2 INSTALLATION PROCESS 1RemovetheFIXTUREUP DOWNAS 2InsertCAPHOLDER 4EA afterremovingFIXTU...

Page 70: ...ingLEGADJUSTAS Adjusting Method Remarks If turned CW the LEG ADJUST AS moves the washer upward If turned CCW the LEG ADJUST AS moves the washer downward 5Afteradjustinglevel fixSPECIALBOLT Adjusting M...

Page 71: ...teristight littlegaponleft right Atfasteningthenutforfixingtheheaterwash keeptheprotrusionlength ofboltto10 12mm ifunder10mm watercanleak andifover12mm fixtureheatercan deform 7 Replacing ThermistorWa...

Page 72: ...S M NO DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Apr 2008...

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