Daewoo DWF-178L Service Manual
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Daewoo DWF-178L Service Manual

Daewoo DWF-178L Service Manual

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Service Manual

Auto Washer
Model: DWF-178L
DWF-178M/178W
DWF-179M/179W
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).
DAEWOO ELECTRONICS CORP.
http : //svc.dwe.co.kr
S/M No. :
Oct. 2011

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Summary of Contents for Daewoo DWF-178L

  • Page 1: Service Manual

    S/M No. : Service Manual Auto Washer Model: DWF-178L DWF-178M/178W DWF-179M/179W 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

    AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER...

  • Page 3: Specifications

    1. SPECIFICATIONS ITEM DWF-178L DWF-178M/178W DWF-179M/179W POWER SOURCE A.C 110V/60Hz , A.C 220V/50Hz , A.C 220V/60Hz POWER 110V/60Hz 430W CONSUMPTION 220V/50Hz,60Hz 530W MACHINE WEIGHT 42kg(Non-Pump) / 43kg(Pump) DIMENSION (WxHxD) 598 x 956 x 643 mm WASHING COURSE FULL AUTOMATIC 6 COURSES...

  • Page 4: Structure Of The Washing Machine

    2. STRUCTURE OF THE WASHING MACHINE The parts and features of your washer are illustrated on this page. Become familiar with all parts and features before using your washer. NOTE • The drawing in this book may vary from your washer model. They are designed to show the different features of all models covered by this book.

  • Page 5: Directions For Installation And Use

    3. DIRECTIONS FOR INSTALLATION AND USE INSTALLING PLACE Install the washer on a horizontal solid floor. If the washer is installed on an unsuitable floor, it could make considerable noise and vibration. Never install in these places ● The place where it would be exposed to direct sunlight.

  • Page 6: How To Connect The Inlet Hose

    ■ HOW TO CONNECT THE INLET HOSE Be careful not to mistake in supplying between the hot(maximum : 50˚C) and cold water. In using only one water tap or in case of attached one water inlet valve, connect the inlet hose to the cold water inlet valve.

  • Page 7: How To Clean The Filter

    ■ HOW TO CLEAN THE FILTER CLEANING THE LINT FILTER Pull the Filter frame Turn the lint filter Return the filter as it was, and upward. inside out, wash to insert the filter frame into the the lint off with water. slot.

  • Page 8: Feature And Technical Explanation

    4. FEATURE AND TECHNICAL EXPLANATION FEATURE OF THE WASHING MACHINE 1 The first applying Radical Technology in the world..go beyond washing, sterilize your clothes and deodorize a bad smell.(optional function) The first air bubble washing system in the world. Quiet washing through the innovational low-noise design. The wash effectiveness is much more enhanced because of the air bubble washing system.

  • Page 9: Functional Principle Of Bubble Washing Machine

    FUNCTIONAL PRINCIPLE OF BUBBLE WASHING MACHINE ACROSS SECTION Air bubble Outer tub Pulsator FUNCTIONAL PRINCIPLE Bubble Motor supplies the air from the bottom of outer tub to the inner space of pulsator, the air is dispersed by the rotation of pulsator. Air-bubble is created by the centrifugal force, and rises up. AUTOMATIC DRAINNING TIME ADJUSTMENT This system adjusts the draining time automatically according to the draining condition.

  • Page 10: Automatic Unbalance Adjustment

    AUTOMATIC UNBALANCE ADJUSTMENT This system is to prevent abnormal vibration during intermittent spin and spin process. FUNCTIONAL PRINCIPLE Contact of safety switch 1 When the lid is closed, the safety switch contact is “ON” position. Lid closing 2 In case that wash loads get uneven during spin, the outer tub hits the safety switch Lid opening due to the serious vibration, and the spin...

  • Page 11: Lint Filter

    LINT FILTER Much lint may be obtained according to the kind of clothes to be washed and some of the lint may also sticks to the clothes. Filter Filter To minimize this possibility a lint filter is provided on the upper part of the tub to filter the wash water as it is Bleach Bleach Inlet...

  • Page 12: Gear Mechanism Ass'y

    GEAR MECHANISM ASS’Y The proper water currents is made by the rotation of pulsator at a low speed to prevent the damage to the small sized clothes. Sun gear Planetary gear Internal gear Motor Pulsator 1800 r.p.m (60Hz) 1500 r.p.m (50Hz) Gear unit as V.BELT 1 revolution...

  • Page 13: Directions For Disassembly And Adjustment

    5. DIRECTIONS FOR DISASSEMBLY AND ADJUSTMENT Warning BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE WASHING MACHINE, DISCONNECT THE POWER CORD FROM THE ELECTRIC OUTLET. GEAR MECHANISM ASS’Y REPLACEMENT GEAR MECHANISM ASSY REPLACEMENT Raise the top plate on the outer cabinet. Remove the cap pulsator from the pulsator ass'y by Loosen four screws mounting outer tub cover and using screw driver.
  • Page 14 Remove the tub i assy. Lay the top of the washer on the floor. Remove four special bolts of gear protect by using a box wrentch and remove gear protect. Remove the V-belt. w Pull out the gear mechanism ass’y. Remove four special bolt of gear mechanism assy by using a box wrentch.

  • Page 15: Drain Motor And Valve Replacement

    DRAIN MOTOR AND VALVE REPLACEMENT (NON PUMP MODEL) Lay the top of the washer on the floor. Take out the wire of drain motor from the bracket. Loosen two special screw of drain motor. Separate the drain motor from the base. Turn the valve by using screw driver as shown in Remove the valve lid from the valve drain ass’y.

  • Page 16: The Repair Method Of Gear Mechanism For Clutch Spring Problem

    6. THE REPAIR METHOD OF GEAR MECHANISM FOR CLUTCH SPRING PROBLEM THE STRUCTURE OF GEAR MECHANISM # TOOL FOR REPLACING THE CLUTCH BOSS ASSEMBLE # Tool name Specification Q’ty Figure 1 Fixing jig Ratchet handle Socket and extension bar socket : 10mm, 17mm per each Some cotton yarn some...

  • Page 17: How To Check The Clutch Spring Problem

    HOW TO CHECK THE CLUTCH SPRING PROBLEM PROBLEM 1) THE LAUNDARY IS IN THE SPIN TUB UNEVENLY WHEN JUST STARTING SPIN PROCESS. 2) THEREFORE, IT CAUSE THE SERIOUS NOISE AND VIBRATION WHEN WASHING AND SPINNING PROCESS OR SUPPLING WATER IRREGULARY WHEN SPINNING PROCESS AND CAUSE SHORT OF SPIN PERFORMANCE.

  • Page 18: The Process Of Disassemble

    THE PROCESS OF DISASSEMBLE Disassemble 1 Process Notice Remove the protector Use wrench or driver. - ratchet handle - extension bar - socket : 10mm Release screws marked 4-point Remove the v-belt Loosen the fastening nut Use fixing jig for pulley as to see fig 1.
  • Page 19 Disassemble 2 Process Notice Disassemble the pulley Disassemble the clutch Catch the boss and pull boss assembly upward with spiral rotate in the clockwise direction. Separate coupling from clutch boss ass’y Cleaning Clean the drum plate, coupling surface and contact face between drum plate and coupling.

  • Page 20: The Process Of Assemble

    THE PROCESS OF ASSEMBLE Assemble 1 Process Notice Assemble the coupling Check the uneven face of coupling is assembled upward. Assemble the new clutch boss - Push in the clutch boss ass’y ass’y with rotating on the clockwise direction. - After assembling, rotate on the clockwise more 2~3 teeth and pull out the pulley shaft upward.
  • Page 21 Assemble 2 Process Notice Assemble the fastening nut - Use fixing jig and 17mm socket wrench as if disassembling, as fastening torque about 100~200kgf-cm. - Check the end-play, up and downward and check the binding force, too much or not on bi-direct of rotation. Assemble the Belt Assemble the protector keep distance...

  • Page 22: Replace The Case Filter Assy

    REPLACE THE CASE FILTER ASS’Y Separate the back cover from Remove two screws. Remove three screws. washing machine. Turn the case filter ass’y and Separate the drain hose i from Separate the cavitation hose separate it from the drain motor. the case filter ass’y.

  • Page 23: Trouble Shooting Guide

    7. TROUBLE SHOOTING GUIDE NOTES 1. When replace the P.C.B. ASS’Y do not scratch the surface of the P.C.B. ASS’Y. 2. Disconnect the power cord from the electric outlet. CONCERNING WATER SUPPLY PROBLEM CHECK POINT CAUSE SOLUTION Do you open the water Open the water tap.

  • Page 24: Concerning Washing

    PROBLEM CHECK POINT CAUSE SOLUTION The water inlet valve is Does the water supply Change the water inlet defective. continue while the power valve. is turned off? Does the water supply start The triac of P.C.B is Change the P.C.B as soon as you press the defective.

  • Page 25: Concerning Draining

    CONCERNING DRAINING PROBLEM CHECK POINT CAUSE SOLUTION Do you install the Install the drain hose Improper installation. drain hose properly. properly? THE WASHER Is the foreign matter Remove the foreign Malfunction of drainage DOES NOT accumulated inside the matter from the drain by the foreign matter.

  • Page 26: Concerning Spinning

    CONCERNING SPINNING PROBLEM CHECK POINT CAUSE SOLUTION Is the lid open? Close the lid. Does the door switch Change the door switch. Door switch is defective. operate normally? Safety switch is Change the safety Does the safety switch defective. switch. operate normally? Is the connector of Connect the connector...

  • Page 27: Concerning Operation

    CONCERNING OPERATION PROBLEM CHECK POINT CAUSE SOLUTION Is the plug connected Connect the plug. to electric outlet? Is Fuse opended? Change Fuse. THE INDICATOR Power button is Is the condition of Change P.C.B ASS’Y. LAMPS(L.E.D) defective. power button good? DO NOT LIGHT UP WHEN THE Is the connector of the POWER...

  • Page 28: Presentation Of The P.c.b Ass'y

    8. PRESENTATION OF THE P.C.B ASS’Y CONCERNING ERROR MESSAGE MESSAGE CAUSE SOLUTION Install drain hose properly. Improper installation of drain hose. Remove foreign matter from drain hose. The drain hose is blocked up by foreign matter. Change drain motor or drain pump. Drain motor or drain pump is inferior.

  • Page 29: Appendix

    APPENDIX ■ WIRING DIAGRAM (110V~, NON-PUMP, COLD ONLY) WIRING DIAGRAM...
  • Page 30 ■ WIRING DIAGRAM (220V~, PUMP, COLD+HOT) WIRING DIAGRAM...
  • Page 31 ■ WIRING DIAGRAM (220V~, PUMP, COLD ONLY) WIRING DIAGRAM...

  • Page 32: Parts Diagram

    ■ PARTS DIAGRAM LEFT FRONT PARTS DIAGRAM...
  • Page 33 LEFT FRONT PARTS DIAGRAM...
  • Page 34 LEFT FRONT PARTS DIAGRAM...

  • Page 35: Parts List

    PANEL *F 36142T4500 ABS(DWF-178L/178M/178W/179M/179W) 178L/M/W, 179M/W PCB AS PRPSSWXC61 DWF-178L, SMALL PCB, TAIWAN 110/60, TAIWAN PRPSSWXC64 DWF-178L, LARGE PCB, CHILE & PERU 220/50-60, CHILE&PERU PRPSSWXC69 DWF-178L, LARGE PCB, PANAMA 220/50-60, PANAMA HARNESS AS 3612797A30 DWF-178W 110V COLD (NON -PUMP) 110V/NON-PUMP/COLD...
  • Page 36 PARTS NAME PARTS CODE DESCRIPTION Q'TY REMARK HOOK DOOR 3613101800 ABS, DWF-178 ( 1 ) OPTION(JAPAN) DOOR *B 361A114200 ABS, 178M/178W 178M/178W DOOR *F 361A114300 ABS, 178M(OPAQUE) 178M(OPTION) ABS, 178W(TRANSPARENT) 178W(OPTION) COVER DOOR F 3611432900 ABS, 178M/178W 178M/178W DOOR *B 36117ADR00 ABS, 179M/179W 179M/179W...
  • Page 37 PARTS NAME PARTS CODE DESCRIPTION Q'TY REMARK SCREW TAPPING 7122401611 T2S TRS 4X16 MFZN COVER TUB *O 3611408500 CAP PULSATOR 3610920500 PP, DWF-178W 178L/M/W, 179M/W SPECIAL SCREW 3616062629 STS430 6X26.5 PULSATOR AS 3619705804 DWF-178W, NANO SILVER 178L/M/W, 179M/W SPECIAL NUT 4507D83080 SUS 304 SPECIAL SCREW...

  • Page 38: Circuit Diagram

    ■ CIRCUIT DIAGRAM (110V~, NON-PUMP, COLD ONLY) CIRCUIT DIAGRAM...
  • Page 39 ■ CIRCUIT DIAGRAM (220V~, PUMP, COLD+HOT) CIRCUIT DIAGRAM...
  • Page 40 ■ CIRCUIT DIAGRAM (220V~, PUMP, COLD ONLY) CIRCUIT DIAGRAM...
  • Page 41 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: Oct. 2011...
  • Page 42 V V I I S S I I O O N N C C R R E E A A T T I I V V E E , , I I N N C C . . 서울 종로구 통의동 6번지 이룸빌딩 4층 담 당 민가영 님 M O D E L DWF-178L, DWF-178M/178W DWF-179M/179W (S/M) 접 수 2011.10.04 M E M O 총 41p 11.10.04-전체신규...

This manual is also suitable for:

Dwf-178mDwf-178wDwf-79mDwf-179w

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