Daewoo DWD-T120R Service Manual
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Daewoo DWD-T120R Service Manual

Daewoo DWD-T120R Service Manual

Drum washing machine
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Service Manual
Drum Washing Machine
Model: DWD-T120R
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. :
Apr. 2011

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Summary of Contents for Daewoo DWD-T120R

  • Page 1 S/M No. : Service Manual Drum Washing Machine Model: DWD-T120R 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).

  • Page 2: Table Of Contents

    DRUM WASHING MACHINE SERVICE MANUAL 1. WHAT IS DRUM?................1 2. WASHER SPECIFICATION ............4 3. OPERATING MECHANISM 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 ..49 8.

  • Page 3: What Is Drum

    1. WHAT IS DRUM WASHING MACHINE? 1. Drum Washing Machine Water consumption is reduced by using the power of the laundry falling (free-fall) created when rotating the drum. With temperature control system, this drum washing machine saves energy and improves washing performance at the same time.
  • Page 4 3. Power System LAUNDRY LAUNDRY LIFTER BLDC Pump Drainage Natural Drainage •DD Control: Direct 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...
  • Page 5 4. Major Functions ① Washing When rotating drum after putting in the laundry and detergent into the drum, the laundry are rotated by protrusions (lifters) attached inside the drum. Washing is carried out with bending and impact actions generated by falling of the laundry to the bottom part of drum.

  • Page 6: Washer Specification

    2.WASHER SPECIFICATION 1. Product Specification ① ① T T 1 1 2 2 5 5 ' ' s s s s e e r r i i e e s s PARTS NAME CABINET F FRAME DOOR O PROTECT GLASS PANEL F CASE DETERGENT PLATE TOP...
  • Page 7 ② ② T T 1 1 2 2 3 3 ' ' s s s s e e r r i i e e s s PARTS NAME CABINET F FRAME DOOR O PROTECT GLASS PANEL F CASE DETERGENT PLATE TOP CABINET BUTTON DIAL DIMENSION(WxDxH)

  • Page 8: Operating Mechanism Diagram

    3. OPERATING MECHANISM DIAGRAM 4. WATER SUPPLY PART • Cold Water: 3 holes Cold water, pre-washing Water • Hot Water: 1 hole Supply • Water supply box, hose 6. DRY PARTS • HEATER DRY : OPTION Detergent • BLOWER FAN Container •...
  • Page 9 1. CONTROL PART Electricity Input • Main PCB Noise Filter • Front PCB • Harness • Noise filter Program • Power Cord: 15A 2. DRIVING PART • BLDC motor • Drum • Bearing • Spider/ shaft • Tub Drum • Weight balancer Motor 3.

  • Page 10: Each Part Of Drum Washing Machine

    4. EACH PART OF DRUM WASHING MACHINE 1. PANEL F ASSY 5. MAIN PCB AS 6. DUCT B AS 3. DOOR AS 4. CABINET F ASSY 8. TUB ASSY 7. BASE U AS...
  • Page 11 2. INLET BOX AS * * T T U U B B A A S S S S Y Y 1) BLDC ROTOR 2) BLDC STATOR 3) SHAFT 4) BEARING 5) SPIDER 6) DRUM 7) TUB ASSY...

  • Page 12: Parts List By Ass'y

    WINDOW DISPLAY 3615505600 Trans parency ABS CASE HANDLE 3611146800 ABS HANDLE CAP 3612611300 ABS SPRING CASE HANDLE 3615116000 SUS 304, D=0.6 CASE PCB F 3611146700 HIPS HOLDER LED 3613054000 ABS HOLDER LED COURSE 3613053900 ABS PCB AS DWD-T120R FRONT PCB ASSY...
  • Page 13 1. PANEL F AS ② ② T T 1 1 2 2 3 3 ' ' s s s s e e r r i i e e s s PARTS NAME CODE SPECIFICATIONS Q’TY REMARK PANEL F 36142T1400 ABS BUTTON POWER 3616638500 ABS WINDOW COURSE...
  • Page 14 2. INLET BOX AS PARTS NAME CODE SPECIFICATIONS Q’TY REMARK NOZZLE TOP 3618105400 PP NOZZLE UNDER 3618105500 PP INLET BOX 3617510900 PP CASE DETERGENT 3611146400 PP CAP SOFTENER 3610918300 PP CASE LIQUID 3611147900 PP CAP LIQUID 3610918000 PP HOSE INLET 3613272000 EPDM, "U"...
  • Page 15 3. CABINET F ASSY...
  • Page 16 PARTS NAME CODE SPECIFICATIONS Q’TY REMARK CABINET F 3610813000 SECD 0.8 t PLATE HINGE SUPPORT 3614539800 SPG 0.8 t HINGE DOOR 3612903800 CAP HINGE DOOR 3610916500 FRAME DOOR O 3612209900 ABS, CR HANDLE COVER 3612611500 HOOK DOOR 3613100900 ZNDC SPRING HOOK 3615115400 SUS304 HOOK SHAFT...
  • Page 17 4. CABINET ASSY...
  • Page 18 PARTS NAME CODE SPECIFICATIONS Q’TY REMARK NOZZLE AIR 3618103110 PP, DWD-100DR FRAME TOP R 3612209300 GI 1.6 t FRAME TOP L 3612209400 GI 1.6 t CABINET 3610812900 SGCC 0.8 t COVER BACK AS 3611425540 COVER BACK + PAD CABINET STOPPER SPRING 3615202200 POM, DWD-100DR FIXTURE PLATE...
  • Page 19 5. BASE U AS...
  • Page 20 PARTS NAME CODE SPECIFICATIONS Q’TY REMARK E01 BASE U 3610393200 PP, DWD-T120R E02 SUPPORTER LEG 3615303600 PO+, 3.0T E03 FIXTURE LEG 3612006400 ABS, DWD-100DR E04 SPECIAL BOLT 3616029000 10 X 1.25, 51MM E05 FOOT 3612100600 BUTYL, DWD-100DR E06 REACTOR 52G043J002 DWD-100DR, 4A E07 DAMPER FRICTION 361A700150 110N AKS ST=170-260 DL=197.5 LOW NOISE...
  • Page 21 6. TUB ASSY...
  • Page 22 EPDM NOZZLE SHOWER 3618104000 PP, DWD-100DR DAMPER PIN 361A700200 AKS D=14.5 DAMPER FRICTION 361A700110 AKS, 70N TUB FRONT 3618829800 FRPP, DWD-T120R DRUM FRONT 3617003101 SUS, 0.5T LIFTER WASH 361A400600 PP NANO-SILVER DRUM CENTER 3617003010 SUS, 0.6T DRUM REAR 3617003210 SUS, 0.6T...
  • Page 23 7. DUCT B AS + DUCT PIPE AS...
  • Page 24 36189M2Q00 17.5V VDC C.W Jan, 2011 ~ G02 COVER DUCT 3611428700 ALDC ~ Jan, 2011 3611428710 DWD-T120R, GFPP 30% Jan, 2011 ~ G03 DUCT B UPPER 361A202100 ALCOST 0.5T G04 CLAMP CORD 3611203330 DABE-2, A=9, B=5,3, L=105 G05 FAN AS...
  • Page 25 8. PLATE TOP ASSY PARTS NAME CODE SPECIFICATIONS Q’TY REMARK PLATE TOP 3614539900 SECC 1.2T LABEL CAUTION 3613553830 PVC, SILK LABEL INSTALL 3613555700 ART+OPP, WATER VALVE STICKER...

  • Page 26: Control Part Function Specification

    6. CONTROL PART FUNCTION SPECIFICATION 1. SEQUENCE CHART N N o o r r m m a a l l Heavy Stain W W h h i i t t e e s s D D i i v v i i s s i i o o n n T T i i m m e e Small Middle...
  • Page 27 D D e e l l i i c c a a t t e e Quick 30 B B l l a a n n k k e e t t S S p p o o r r t t s s S S h h o o e e s s Tub Cleans A A i i r r D D i i v v i i s s i i o o n n T T i i m m e e...
  • Page 28 Eco-Steam N N o o r r m m a a l l S S t t e e a a m m S S t t r r o o n n g g S S t t e e a a m m Baby Care S S t t e e a a m m W W a a s s h h Memory D D i i v v i i s s i i o o n n T T i i m m e e Small...
  • Page 29 2. Skill of each Sequence 2 2 - - 1 1 . . W W a a s s h h i i n n g g S S e e q q u u e e n n c c e e 1) Washing Sequence part Time part...
  • Page 30 ① Washing Heater isn't reworking after reach decision temperature. ② Normal Course + 40℃ include 7 min that heater does not working. ③ If Set up Normal + 40℃ then main washing time is 40 min. ④ If LS value is more than 360, 1 hour add in Washing Time. 3) Electric Current Time of Washing Motor MOTOR TIME On/OFF (sec) part...
  • Page 31 2 2 - - 2 2 . . R R i i n n s s e e S S e e q q u u e e n n c c e e 1) Water Supply Sequence part level height(mm) Water Level High 22.96...
  • Page 32 2 2 - - 3 3 . . S S p p i i n n S S e e q q u u e e n n c c e e 1) Drain ① It follows Drainage Sequence. 2) Balance Spin ①...
  • Page 33 2 2 - - 5 5 . . D D r r y y i i n n g g S S e e q q u u e e n n c c e e 1) consist of drying sequence. ex) select normal drying (Total spend time 2:30) Drain(1min) Drying(144min)
  • Page 34 7) Drying Heater working ① Drying Heater work until End of Drying Sequence. ② Shoes Course : 70℃ OFF / 60℃ ON ③ Air Course : 80℃ OFF / 70℃ ON 8) Crease Care ① Crease Care performance after Drying Sequence for 30 min. ②...
  • Page 35 3. Main Function of PCB Program 3-1. LOAD SENSING 1) Deciding the water level ① Normal, White, Eco-White Course will be followed by this process. ② Check the water level with dry laundry at the starting wash. ③ Check the water level by using motor output data during 20 sec, 65rpm. 2) Deciding Spin Starting Step.
  • Page 36 3-3. DOOR S/W 1) The working principle of Door S/W ① Door Locking Bimetal on (3 sec) --> solenoid (supply 20msec pulse 2 times) ② Door Unlocking Bimetal off --> solenoid(supply 20msec pulse, until lock) ③ After door locking all parts can work nomally. ④...
  • Page 37 Start/Hold Door unlock button, 2sec ON Water level is less than Drainage safety level? Cold water Temperature is less supply than 50℃? DISPLAY ‘LOCK’ OFF Door Open...
  • Page 38 5. TEST MODE 5-1. Testing Mode PCB and other electronic parts will be tested without water supply whether they are normal or not. 1) Process press power button --> press "SPIN" button 3 times with pressing "WASH" button --> 'L d' will be shown on LED --> Whenever pressing "TEMP"...
  • Page 39 6-1. Error Display 6-1. IE (Input Error) - Error in water supply 1) Conditions of Occurrence ① In case the designated water level is not reached in 5 minutes during water supply or re-supply 2) All LEDs are turned off and 'IE' blinks in18:88 display. 3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
  • Page 40 6-4. LE (Lock Error) - Door opening error 1) Conditions of Occurrence ① When intending to begin cycle by pressing start/ temporary stop button while door is opened 2) All LEDs are turned off and 'LE' blinks in 18:88 display. 3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
  • Page 41 6-7. E4 - Water leakage during washing 1) Conditions of Occurrence ① In case water level falls below re-supply even after 15 times of re-supply prior to finishing of water heating 2) All LEDs are turned off and 'E4' blinks in 18:88 display. 3) Error buzzer alarm is sounded for 10 seconds per every 10 minutes.
  • Page 42 6-9. Motor-related Error 1) E5 (DC-Link High Voltage) Error ① In case DC-link voltage to IPM increases to 450V or higher ② Motor operation is stopped and 'E5' is shown in display window. ③ Error buzzer alarm is sounded for 10 seconds per every 10 minutes. ④...
  • Page 43 3) H5 Error - Water temperature error in wool/ delicate course ① In case water temperature in wool/ delicate course is 45℃ or higher ② Error buzzer alarm is sounded for 10 seconds per every 10 minutes. ③ Error display is cleared when turning off/ on power. 4) H6 Error - Abnormality in washing heater ①...

  • Page 44: Electronic Field Parts List And Specification

    7. ELECTRONIC FIELD PARTS LIST AND SPECIFICATION PART NAME Rating(V/Hz) PART CODE BOM DESCRIPTION VALVE INLET 100-130V 3615415070 100~130V,3WAY,RINSE GUIDE유,PP/BRACKETVAL VE INLET 100-130V 3615415700 100-130 1-WAY HOT PP-BRACKET VALVE INLET 220-240V 3615414800 220-240V 1-WAY HOT PP-BRACKET VALVE INLET 220-240V 3615415050 220~240V,3WAY,RINSE GUIDE유,PP/BRACKET VALVE INLET 220-240V...
  • Page 45 Classification SPEC Combo Wash ◎ ETVAL ◎ ◎ ◎ ◎ ACKET,VDE ◎ ◎ ◎ ◎ LP-496L,KTL SU1001-4001 227 IEC 53 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎...
  • Page 46 PART NAME Rating(V/Hz) PART CODE BOM DESCRIPTION SWITCH THERMOSTAT 100-250V 3619046500 ON120℃ OFF150℃ 230V 15A VDE UNIT STATOR BLDC 36189L4800 Φ265X28H,36SLOT,2SNESOR,3254D02000 UNIT STATOR BLDC 36189L4830 Φ265X28H,36SLOT,2SNESOR,3254D02000, 28T AL COIL UNIT ROTOR BLDC 36189L4900 MAGNET24,SERRATION,WR1238F001 THERMISTOR WASH 361AAAAB10 R25=1.704㏀ R80=11.981㏀ THERMISTOR DRY 361AAAAC30 R40=26.065㏀,R90=4.4278㏀...
  • Page 47 Classification SPEC Combo Wash ◎ NT-103NA(5XV)F150-120, ±5℃ ◎ ◎ Vm 310VDC,Vcc5V,2SENSOR 28T AL COIL STATOR:CLASS B,36SLOT T28, AIR GAP 1mm, ROTOR :φ 265x28H, Magnet24 OUTPUT WASH 145W, TORQUE 300Kgf.cm(at45RPM), ◎ ◎ ◎ CHIP KCD263H399F, B25/85=3992K±2%, L/W UL1007 AWG24 L=450, MG621164(KET) ◎...
  • Page 48 1. PCB PIN Relay (S/W) Relay (Heater S/W) brown WF05: REACTOR iGBT Capacitor...
  • Page 49 2. VALVE INLET Classification 3-hole Valve and Hot Water Valve Code 3-hole: 3615415070, 3615415050, Hot Water: 3615415700, 3615414800 Color Gray 4320 ~ 5280 Ω Coil Resistance Supplying water for washing/ pre-washing and bleach Appearance Washing Water Input Valve Structure Rre-washing Water Input Valve Hot Water Input Valve M4×4...
  • Page 50 • Suspension of water supply Water supply not • Tap frozen carried out (IE) • Tap closed • Hot & cold water hose switched for connection • Low water pressure (0.2kgf/cm or less) • Blocking of water supply valve filter by foreign substances •...
  • Page 51 Symptoms of Inspection Inspection Method Inspection Result Problem Identified Repair Method Breakdown Spot Water 1) Suspension of water supply supply not 2) Water tap locked carried out 3) Cold-hot water hose incorrectly - Cold/ hot water hose switched -Defect in cold/ hot water -Assemble cold/ hot connected -Large amount of rust, sand and...
  • Page 52 3. Water Level Sensor 1) Spec. of Water Level Sensor HEATER SAFETY STEAM RESET RINSE ADD WATER OVERFLOW (kHz) 24.55 24.736 25.2 23.2 23.75 23.18 22.96 22.6 O/F: Forced drainage is RESET : Low: Small load of laundry, therefore considered to be necessary as water water level of 'low' level is high.
  • Page 53 4. POWER CORD 1) Specificafion Classification Rated Cord Thickness Color Code Type Length Remarks 250V/15A 1.5sq Gray 3611339340 LP-31 SJT 2.3m 125V/13A 1.5sq Gray 3611340410 UL.SJT 2.3m 250V/16A 1.5sq Gray 3611339930 EU-2P 2.3m 125V/15A 2.0sq Gray 3611339810 BSMI 2.3m 2) Assembly 4 embossed parts in cabinet ->...
  • Page 54 5. DOOR LOCK SWITCH <DL-S1> <DL-S2> PART CODE DESCRIPTION 3619047210 DL-S1 125V 16A 3619047230 DL-S2.250V16A.BITRON.VE-TYPE 1) DOOR LOCK S/W...
  • Page 55 4) Diagnosis of Defect Error Symptoms Detailed Symptoms Cause Diagnosis of Defect Solution Mode – Ticking Tick' during initial Normal noise Normal sound generated during solenoid operation when noise operation and 'tick-tick' 'sliding CAM' is locked/ unlocked to close or open door. during temoprary suspension: 'DF' type only...
  • Page 56 1. Heater 1) Spec of Heater of Washing Machine Classification Parts name DUCT COVER FAN MOTOR HEATER DRY DUCT B LOWER VALVE INLET(DRY) THERMOSTAT THERMISTOR DUCT B UPPER FAN AS FUSE TEMPERATURE...
  • Page 57 2) Dry Function Diagram T : Thermistor (CONTROL DRY DUCT HEATER’S TEMPERATURE ) HEATER FAN MOTOR WATER SUPPLY CONDENSING DRUM DUCT DRAIN HOUSING While rotating DRUM, DRY HEATER applice heat to air and FAN blows it into DRUM evaporating water in the laundry. •...
  • Page 58 4) Dry Course COURSE DRY COURSE Heater control temperature is 60°C On/70°C Off LOW TEMP. Drying Time is 110min according to Load Sensing Data Heater control temperature is 95°C On/105°C Off, with good condition for ironing IRON Drying Time is 60min according to Load Sensing Data Cupboard Heater control temperature is 95°C On/105°C Off, drying time is 150 min STRONG...
  • Page 59 5) TROUBLE SHOOTING OF DRY SYSTEM HEATER DRY Function : heating the air during dry • FAILURE MODE : * "H7" - The air cannot be heated to 10°C during 2 min. • CHECKING METHOD : * Check the resistance of heater coil and replace with new one. Thermistor Function : sensing the air temperature.
  • Page 60 SWITCH THERMOSTAT(BIMETAL) function : control the duct temperature, if the temp reached over 150°C, all power supply will be cut. and if the temp go down 120°C the power will be ON. protecting overheating by cutting off heater power supply if the temperature rises over 150°C, and reoperating heater by connecting heater power supply if the temperature falls under 120°C.
  • Page 61 6) LACK OF DRY PERFORMANCE • Situation : after drying, the clothes still get wet. cause) The laurdry amount is more than the recommendation capacity 7.0kg. Condensing cold water is not supplied. Clogging Bellows Duct results in poor air circulation. checking method) part name checking point...
  • Page 62 • Situation : PCB shows "H7". cause) Dry heater is cut-off. Fuse temp. is cut-off. repaire method) replace the Dry heater. replace the Fuse temp. checking point part name checking results repaire method HEATER dry Heater is short or cut-off. replace the FUSE TEMPERATURE...
  • Page 63 • situation : PCB shows "E3". cause) FAN MOTOR can not work. countermeasures) Replace the Fan Motor. part name checking results repair method disassemble process of Fan Motor 1Disassemble Duct Cover As from Duct B As(Screw 5EA) FAN MOTOR fan motor failure replace fan motor DUCT...
  • Page 64 R25 : 11.981KΩ ± 4.04% Washing Heater Temp. Sensor Table R80 : 1.704KΩ ± 3% B25/100 : 3760K ± 1% TEMP MIN NORMAL MAX TEMP MIN NORMAL MAX TEMP MIN NORMAL MAX TEMP MIN NORMAL MAX ℃ KΩ KΩ KΩ ℃...
  • Page 65 R40 : 26.065KΩ ± 3% Day Heater Temp. Sensor Table R100 : 3.3KΩ ± 11.1% B40/100 : 4025K ± 2% T(℃) Rmin Rcent Rmax T(℃) Rmin Rcent Rmax T(℃) Rmin Rcent Rmax 142.55 162.21 184.12 12.980 14.066 15.203 2.211 2.343 2.477 135.55 154.09...
  • Page 66 7. HEATER 1) Spec of Heater of Washing Machine W W A A S S H H MAKER IRCA IRCA IRCA IRCA 220V 230V 130V 110V RATED CONSUMPTION POWER 2000W 2000W 1000W 1000W 3612802400 3612802410 3612802440 3612802430 PART CODE D D R R Y Y E E R R IRCA IRCA IRCA...
  • Page 67 2) Breakdown Diagnosis Breakdown Cause Diagnosis Solution Symptoms Error Mode Washing Wiring short Check for short Connect the cut-off part. "H6" water not heated (common for Washing heater or Check for short: Normal if 23.3~25.7ohm between both Replace washing "H6" drum) temp.
  • Page 68 7. HEATER 1) Structure of BLDC Motor BLDC MOTOR 2) Power Transmission System of BLDC Motor...
  • Page 69 3) Specification Classification Item BLDC : DD Motor 1. General Rated Voltage Vm = 310 [Vdc], Hall IC Voltage 5 [Vdc] Insulating Structure Type B, insulator method External Appearance Shaft connection and stator connection structure, Air-gap : 1mm No. of Poles 24 poles, Core: 36 slots, Layer: [30mm] 2.

  • Page 70: Wiring Diagram

    8. WIRING DIAGRAM...

  • Page 71: Trouble Shooting Regarding Drain

    9. TROUBLE SHOOTING REGARDING DRAIN 1) Structure of Dran Parts by TUB HOSE DRAIN I HOUSING VALVE DRAIN MOTOR VALVE AIR AS 2) Checking Methods • Situation : * "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.

  • Page 72: Installation

    10. INSTALLATION GUIDE 1) Related Parts and Configuration PARTS NAME FIGURES REMARKS FIXTURE UP/DOWN AS FIXTURE UP AS (3612008200) : L= 109mm FIXTURE DOWN AS (3612008300) SPECIAL FIXTURE UP FIXTURE SPECIAL SCREW UP DOWN SCREW : L=143mm DOWN ① Remove Fixture UNIT SERVICE WRENCH UP/DOWN AS ②...
  • Page 73 3Please install the DRUM WASHING MACHINE properly on even and hard floor as below. 4Adjust the level of washer 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.

  • Page 74: Attention Point With Servicing

    11. ATTENTION POINT WITH SERVICING Item Part Name Checking Point 1 Replacing Thermistor Thermistor Dry Keep the Packing from seperating (Hold Packing when replacing) Keep the Packing from folding 2 Replacing Duct B As DUCT B AS & Check the sealing between Duct Pipe & Duct B AS &...
  • Page 75 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” S/M NO. : PRINTED DATE: Apr. 2011...

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