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Service Manual 

Drum Washing Machine 

Model: 

KUD-UD122RF

Mar. 2010

✔

Caution

: In this Manual, some parts can be changed for improving,

their performance without notice in the parts list. So, if you

need the latest parts information, please refer to PPL(Parts

Price List) in Service Information Center (http://svc.dwe.co.kr).

S/M No. : 

Summary of Contents for KUD-UD122RF

Page 1: ...2010 Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List...

Page 2: ...Drum Washing Machine 8 5 Parts List By ASS Y 10 6 Control Part Function Specification 25 7 Electronic Field Parts List and Specification 56 8 Wiring Diagram 78 9 Trouble Shooting Regarding Drain 79 1...

Page 3: ...acity with compact size 12 Kg Capacity enable to wash bigger laundry Sumultaneous supply of cold and hot water As cold and hot water is supplied at the same time heating time and energy is saved Luxur...

Page 4: ...f 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 Pump Drainage Natural Drain...

Page 5: ...Rinsing Rinsing cleanly washes out detergent and dirt removed from the laundry after washing cycle 3 Spin drying Weak standard and strong spin cycle can be selected according to types of fabrics to b...

Page 6: ...DIMENSION WxDxH 630mm W x 792mm D x 991mm H MACHINE WEIGHT 82 kg WATER CONSUMPTION WASH 91 DRY 51 WASHING CONSUMPTION 31 POWER SOURCE 220 240V 50Hz 220 240V 60Hz 100 127V 60Hz POWER WASHING 200W Heat...

Page 7: ...x 792mm D x 991mm H MACHINE WEIGHT 82 kg WATER CONSUMPTION WASH 91 DRY 51 WASHING CONSUMPTION 31 POWER SOURCE 220 240V 50Hz 220 240V 60Hz 100 127V 60Hz POWER WASHING 200W Heating 2000W CONSUMPTION DR...

Page 8: ...ontainer 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 FUS...

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: ...4 Parts list by ass y 8 1 PANEL F AS 1 UD123X SERIES...

Page 11: ...0 ABS 1 P10 BUTTON PS 3616641500 ABS 1 P11 WINDOW DISPLAY 3615508400 ABS 1 P12 WINDOW COURSE 3615508500 ABS 1 P13 DECORATOR FILM COURSE 1 P14 DECORATOR WINDOW COURSE 3611692800 ABS 1 P15 DECORATOR BUT...

Page 12: ...10 1 PANEL F AS 2 UD124X SERIES...

Page 13: ...P8 PANEL INNER 36142T1J00 ABS 1 P9 PANEL OUTER 36142T1H00 ABS 1 P10 BUTTON FUNCTION 3616642800 ABS 1 P11 BUTTON SELECT ADD 3616642700 ABS 1 P12 WINDOW DISPLAY 3615508600 ABS 1 P13 BUTTON LIQUID RES 3...

Page 14: ...12 2 INLET BOX AS B19 B06 B18 B02 B12 B14 B15 B03 B04 B05 B08 B10 B09 B11 B07 B17 B13 B01 B16 B27 B21 B29 B24 B26 B25 B22 B23 B28 B20 B20...

Page 15: ...700 HOSE CLEANING TANK R EPDM 1 B16 3613273600 HOSE CLEANING TUB EPDM 1 B17 3614010300 PACKING CLEANING EPDM 2 B18 3611910500 FILTER SUS MESH 100 2 B19 3614825200 SENSOR PRESSURE 5VDRUM DN DD01 DL DW0...

Page 16: ...14 3 CABINET F ASSY C11 C10 C07 C12 C03 C06 C09 C08 C05 C04 C01 C16 C02 C13 C14 C15...

Page 17: ...304300 PROTECTOR GLASS ABS UT0510TNP 1 C08 3612903800 HINGE DOOR AL DWD T110R 1 C09 3610916500 CAP HINGE DOOR POM 4 C10 3612211400 FRAME DOOR O ABS 1 C11 3611692500 DECORATOR DOOR O ABS 1 C12 36126122...

Page 18: ...16 4 CABINET ASSY...

Page 19: ...COVER BACK AS COVER BACK PAD CABINET 1 D06 3612209500 FRAME UPPER DWD T110R SBHG 1 2T 1 D07 3612204201 FRAME LOWER SGCC 1 0TX634 186 DWD 110RP 1 D08 3612608100 HANDLE CABINET PP DWD 100DR 2 D09 36122...

Page 20: ...18 5 BASE U AS...

Page 21: ...3612100600 BUTYL DWD 100DR 4 E06 REACTOR 52G043J002 DWD 100DR 4A 1 E07 DAMPER FRICTION 361A700150 110NAKSST 170 260DL 197 5LOWNOISE 2 TUBAS E08 DAMPER FRICTION 361A700110 70NAKSST 170 260DL 197 5LOWNO...

Page 22: ...20 6 TUB ASSY...

Page 23: ...BEARING HOUSING 3616304600 ALDC 1 F19 BEARING INNER 3616303100 6206Z 1 F20 BEARING OUTER 3616303200 6205Z 1 F21 UNIT STATOR BLDC 36189L620A AL DON1300W 30T 36POLE NMT PBT 1 20091211 36189L4800 36SLOT...

Page 24: ...22 7 DUCT B AS DUCT PIPE AS...

Page 25: ...20 C OFF 150 C 230V 1 G13 HEATER DRY 3612800900 220V 2100W 1 3612801400 230V 2 1KW 1 3612801600 240V 2 1KW 1 3612801300 110V 1 2KW 1 3612802100 120V 1 2KW 1 G14 THERMISTOR DRY 361AAAAC30 R40 26 065k R...

Page 26: ...24 8 PLATE TOP ASSY H01 3614539910 PLATE T DWD U12 1 H02 3613559300 LABEL TOP UNIFICATION DWD T S PLATE TOP 1 No Part Code Part Name Description Qt y Remarks...

Page 27: ...02 3615304900 SUPPORTER LIQUID TANK L ABS 1 I03 3615305000 SUPPORTER LIQUID TANK R ABS 1 I04 3611430100 COVER DETERGENT MBS 1 I05 3611430200 COVER PLATE ABS 1 I06 3612511700 GUIDE DETERGENT MAIN PP 1...

Page 28: ...e heavy stains washing course includes pre washing in the basic cycle 2 In the standard course rinsing is done twice 3 For the standard course at 40 degrees the heating washing time includes the first...

Page 29: ...pin 5min 3min Crease care 60sec Dry 100min 30min Cooling 5min End 10sec Wrinkle free drying 30min Crease care 60sec End 10sec Remain Time Display 49 32 1 11 1 47 1 51 35 NOTE W a s h i n g R i n s e S...

Page 30: ...cing Spin 2min Mid Spin 3min Water Supply 2min Washing 2 3min Drain 1min Balancing Spin 2min Mid Spin 3min Water Supply 2min Washing 3 3min Drain 1min Balancing Spin 2min Mid Spin 3min Water Supply 2m...

Page 31: ...1min Water Supply 1min Washing 2 2min Drain 1min Balancing Spin 1min 3min Main Spin 2min 1min Crease care 60sec End 10sec Remain Time Display 19 13 18 NOTE Division Time W a s h i n g R i n s e S p i...

Page 32: ...are 60 C 90 C Water Level Heating Time Washing Time Total Washing Time Small Middle 25min 45min Small Middle 72min 72min Small 20min 25min 45min Middle 25min 25min 50min Small 20min 7 40min 67min Midd...

Page 33: ...of removal laundry that stick to drum It works after Spin Sequence 5 The heating washing motor conduction on off time for the steam boiling and baby care course refers to finishing washing 6The motor...

Page 34: ...water supply 2The motor is stopped during the water re supply 3During washing a max fifteen times of water re supply can be done If the water level drops after that no extra water is supplied 4 If the...

Page 35: ...s shoes does not perform balanced spins For three minutes instead of the main spins the motor operates at 45 rpm 10 sec on 10 sec off 4The stocking course omits the medium spins cycle 3 Sinse Sequence...

Page 36: ...sequence is performed 5If acceleration during spins is stopped the cycle continues at constant rpm and performs braking 6If you press the pause button during spins braking will stop the motor 4 Spins...

Page 37: ...x If standard drying is selected total time of 2 30 2 Drying spins If a drying cycle is added to general operation to improve the dryness operation takes place at constant rpm higher than the selected...

Page 38: ...for a sports shoes course 3For air washing 80 deg off 70 deg on 8 Wrinkle free operation 1It lasts for 30 minutes after drying is completed 2During wrinkle free operation the motor only operates The...

Page 39: ...v v operates for three seconds every three minute to flow the water to the door glass 4 Finishing steam water supply 1Steam washing is completed and it is advanced to the main washing For this purpos...

Page 40: ...unning the motor at 65 rpm the rotation time for the drum is measured to determine the amount of laundry 3 Depending on the measured amount of laundry the unbalance reference value for Spin B in the m...

Page 41: ...ed twice at 95 rpm and once in the region ascending to 350 rpm and once at 350 rpm 3 In case of turn back due to being unbalanced you should return not to the beginning of the balanced spin sequence b...

Page 42: ...40 it will only reach 820 rpm 3 Organization of the balanced spin cycle 1 In the medium spin cycle a max 20 times of balanced spin can be performed If it fails to enter spin R after twenty times of ba...

Page 43: ...ected as the washing water level 5 Rinsing water level Water level for rinsing selected in all courses except hand cloths stockings or lingerie 6 Medium rinsing water level Water level for rinsing sel...

Page 44: ...on As the cold water is supplied the water temperature drops and when it is 5 degrees below the target water temperature then the hot water v v is turned on and the cold water v v is turned off to rai...

Page 45: ...unlocked 3 Door locking is required so that the motor and other electrical components can operate to maintain the normal cycles 4 After the power button is pressed if the washing water temperature sen...

Page 46: ...44 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 47: ...tandby time after reset is 120 seconds 3 If it fails to reach the reset water level for 10 minutes OE is displayed 3 8 Detergent sensing 1 If no liquid detergent or softener is in the detergent contai...

Page 48: ...tarts operating 5 b5 The difference between the target RPM and the current RPM is greater than 120 RPM 6 b6 Overvoltage error detects more than 450V 7 b7 Undervoltage error detects more than 140V 2 Ch...

Page 49: ...erroneous or not 2 While operating the load it checks various sensors such as washing drying temperature and water level If any defect is found an error message is displayed 4 3 Water level frequency...

Page 50: ...nd it spins at 750 rpm unbalance reference value of 100 During tests it keeps sensing whether the liquid detergent and the softener exist If no detergent then the No detergent and No softener LED will...

Page 51: ...is displayed At this time press the water temperature button to display the current settings 4 How to change the settings Up Press the spin button to go up Down Press the reserve button to go down Sa...

Page 52: ...to reach 820rpm LS 0 to 350 200 LS ref value to determine the low small water level 380 Fan duty 200 Washing heater off water level 95 1 UB ref value LS 351 to 650 250 95 2 UB ref value LS 351 to 650...

Page 53: ...ts 2 All LEDs are turned 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 5 3 UE Unbalance Er...

Page 54: ...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 55: ...or 10 seconds per every 10 minutes 4 Error display is cleared when turning off on power 5 8 E9 Abnormalities in water level sensor 1 Conditions of Occurrence In case water level frequency is of 15KHz...

Page 56: ...ndow 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 57: ...perature is higher than 42 C If temperature does not increase by1 C or more If temperature falls below standard temperature by 2 C or more due to re supply of water etc standard temperature is reset a...

Page 58: ...56 7 ELECTRONIC FIELD PARTS LIST AND SPECIFICATION 1 PCB PIN Relay S W iGBT Capacitor Relay Heater S W WF05 REACTOR...

Page 59: ...kifresistancebetweenwatersupplyvalveterminalsis within4320 5280 Removewatersupplyhoseandcheckforforeignsubstancesin filter Visuallycheckconnectorconnectionstatus Checkifresistancebetweenwatersupplyval...

Page 60: ...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 61: ...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 62: ...ter drainage level reset is reached 2 Heater operation level Low Small load of laundry therefore considered to be water level of low Medium Large load of laundry Medium High Water level for rinsing Sa...

Page 63: ...JT 2 3m DEC 250V 16A 1 5sq Gray 3611339930 EU 2P 2 3m DEC 125V 15A 2 0sq Gray 3611339810 BSMI 2 3m 2 Assembly 4 embossed parts in cabinet To prevent loosening after assembly SS 2 special screws LG For...

Page 64: ...62 5 DOOR LOCK SWITCH 1 DOOR LOCK S W PART CODE DESCRIPTION 3619047200 DOOR LOCK DL S1 250V PTC SOLENOID TYPE 3619041210 DOOR LOCK DL S1 125V L6A BITRON...

Page 65: ...nsert 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 unloc...

Page 66: ...er of Washing Machine Classification Parts name A DUCT COVER B FAN MOTOR C HEATER DRY D DUCT B LOWER E VALVE INLET DRY F THERMOSTAT G THERMISTOR H DUCT B UPPER I FAN AS J FUSE TEMPERATURE 1 Heater E C...

Page 67: ...o CONDENSINGDUCT and condensed in DUCT contacting WATER SUPPLY condensed water is extracted through DRAIN HOUSING Dry function is performed by continuous repetition of evaporating and condensing circu...

Page 68: ...s 60 C On 70 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 Sens...

Page 69: ...perature FAILURE MODE The air cannot be heated even though water is supplied H1 shot or cut off H3 air temp is reached over 150 C CHECKING METHOD Check the resistance of thermistor replace with new on...

Page 70: ...and reoperating heater by connecting heater power supply if the temperature falls under 120 C OPERATING TEMPERATURE PICTURE UNIT FAN MOTOR function circulating the inside air during dry process SPEC P...

Page 71: ...was done before the dry had started Situation PCB shows H1 or H3 cause Thermistor is broken Thermistor is short or cut off countermeasures replace the Thermistor part name checking point checking res...

Page 72: ...replace the Fuse temp checking point part name checking results repaire method HEATER SENSOR TEMP FUSE TEMP dry Heater is short or cut off Thermistor is short or cut off FUSE TEMPERATURE is cut off r...

Page 73: ...fan motor 1Disassemble Duct Cover As from Duct B As Screw 4EA 2Disassemble FAN AS From Duct Cover As Fixed by 8mm NUT 3Disassemble the FAN MOTOR SCREW 3EA parts Control time MOTOR 15 sec On 5sec Off...

Page 74: ...3 596 3 720 98 0 971 1 005 1 038 22 103 665 109 039114 413 18 15 402 16 072 16 743 58 3 355 3 474 3 593 99 0 944 0 977 1 010 21 98 387 103 467108 547 19 14 767 15 407 16 046 59 3 243 3 357 3 471 100 0...

Page 75: ...24 62 49 78 6 125 6 536 6 957 134 1 225 1 313 1 404 23 48 31 53 77 59 70 79 5 931 6 325 6 729 135 1 194 1 281 1 370 24 46 25 51 43 57 05 80 5 745 6 123 6 509 136 1 164 1 249 1 337 25 44 28 49 20 54 53...

Page 76: ...1000W 3612802440 IRCA 120V 1200W 3612802100 IRCA 110V 1000W 3612802430 IRCA 110V 1200W 3612801300 Temp Fuse of Washing Heater 184 C CUT OFF TYPE Located inside heater to prevent fire etc caused by he...

Page 77: ...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 78: ...76 1 Structure of BLDC Motor 7 HEATER BLDC MOTOR 2 Power Transmission System of BLDC Motor...

Page 79: ...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 80: ...78 8 WIRING DIAGRAM...

Page 81: ...uation OE is shown on PCB Not finishing drain during 10 min The water level can not reach to RESET POINT during 10 min of drain Checking Methods Check the hose drain O condition twisted or frozen Chec...

Page 82: ...ture UP DOWN AS Adjust Leg FIGURES SPECIAL SCREW UP FIXTURE UP FIXTURE DOWN FOOT FIXTURE LEG SPECIA L SCREW 2 INSTALLATION PROCESS 1Remove the FIXTURE UP DOWN AS 2Insert CAP HOLDER 4EA after removing...

Page 83: ...er using LEG ADJUST AS 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 5After adjusting level fix SPECIAL BOLT...

Page 84: ...p on left right At fastening the nut for fixing the heater wash keep the protrusion length of bolt to 10 12mm if under 10mm water can leak and if over 12mm fixture heater can deform 7 Replacing Thermi...

Page 85: ...S M NO DAEWOO ELECTRONICS CORP 1 2 Jeo dong 1 il ga Jung gu Seoul Korea C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Mar 2010...

Page 86: ...2010 03 02 76 1 2 3 4 5 MEMO 76p VISION TEL 730 0660 FAX 730 3788 10 03 02 76p 10 03 04 11p 17p 21p 31p 33p _ 5p 10 03 15 4p 5p 8p 10p 15p 21p 23p 27p 38p 39p 40p 41p 42p 43p 44p 45p 46p 47p 48p 49p...

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