Daewoo DWF-770 Page 1 Service Manual Download

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Service Manual

Auto Washer

Model: DWF-770

DWF-820

DAEWOO ELECTRONICS CORP.

S/M No. : WF770SE001

http : //svc.dwe.co.kr

Oct. 2003

✔

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).

Summary of Contents for DWF-770

Page 1: ...F770SE001 http svc dwe co kr Oct 2003 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 plea...

Page 2: ...AND PROGRAM SELECTION FULL AUTOMATIC PROGRAM 6 RESERVED WASHING 8 PARTIAL PROCESS COMBINATION 8 5 DIRECTIONS FOR INSTALLATION AND USE LOCATION OF WASHER 9 DRAIN SYSTEM 9 HOW TO CONNECT THE INLET HOSE...

Page 3: ...f cm2 2 94 N cm2 78 4N cm2 9 MAXIMUM MASS OF TEXTILE 5 5kg 6 0kg REVOLUTION WASH 125 145 50Hz 130 150 60Hz 10 SPIN 710 725 50Hz 760 785 60Hz PER MINUTE WOOL 50 50Hz 60 60Hz 11 WATER CONSUMPTION APPROX...

Page 4: ...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 fea tures of all models covered by this book Your...

Page 5: ...the combination of each process wash rinse spin See page 8 If you want to change wash time rinse times spin time you must press this button after selecting each process by the process button Also this...

Page 6: ...of each process wash rinse spin See page 8 If you want to change wash time rinse times spin time you must press this button after selecting each process by the process button Also this button can be u...

Page 7: ...ROGRAM This selection is effective for heavily soiled clothes If you want to soak press the program button to adjust to SOAK Procedure to press the button Full Automatic Program 4 WASHING PROCEDURE AN...

Page 8: ...M This selection is effective for heavily soiled clothes If you want to soak press the program button to adjust to SOAK Procedure to press the button 4 WOOL PROGRAM This selection is effective for woo...

Page 9: ...As the control button is pressed spin times will repeated as following 5 7 9 0 1 3 min If you don t want spin process you must adjust spin time to 0 min Reservation can be made from 2 hours to 48 hour...

Page 10: ...r back of the washer cabinet and provide water pressure 0 3kgf cm2 8kgf cm2 2 94N cm2 78 4N cm2 Drain System Never forget to install drain hose before operating your washer The packing box is opened t...

Page 11: ...d tighten the four screws evenly while pushing up the adapter so that the rubber packing can stick to the water tap tightly How to Connect the Inlet Hose Be careful not to confuse hot water inlet and...

Page 12: ...cleaned at proper time every 10 times of use drain problem could be caused 3Return the filter as it was and insert the filter frame into the slot 1Pull the Filter frame upward 2Turn the lint filter i...

Page 13: ...stem 5 The adoption of the water currents to adjust the unbalanced load 6 One touch operation system Water Current to Adjust the Unbalanced Load It is a function to prevent eccentricity of the clothes...

Page 14: ...The time remembered by micom Draining Good draining The washer begins spin process after drainage condition Bad draining Draininig time is prolonged No draining Program is stopped and gives the alarm...

Page 15: ...ner is added into the tub through softener outlet FLOW OF THE SOFTENER FLOW OF THE SOFTENER INSIDE OF THE BALANCER HOW TO CHECK MOVEMENT Pour a reasonable amount of MILK into softener dis penser and o...

Page 16: ...ted 3 In case that P C B ASS Y gets OFF signal from the safety switch spin process are stopped and rinse process is started automatically by P C B ASS Y 4 If the safety switch is operated due to the u...

Page 17: ...n operation is finished the TIME INDICATOR will light up STRUCTURE FUNCTIONAL PRINCIPLE 1 When the DRAIN MOTOR connected to the power source the DRAIN MOTOR rotates with 900 r p m and revolves the pul...

Page 18: ...ar unit as Clutch spring Clutch boss Gear pulley Planetary gear Sun gear Internal gear Pulsator 1 revolution 5 revolutions Gear pulley V belt Gear unit as Motor Motor 1490 r p m 50Hz Gear Unit as Dire...

Page 19: ...nd The magnetic pole of trans core is changed by the change of the phase of A C electric power The core repeats push and pull 3600 times min of the armature magnet ACROSS SECTION FUNCTIONAL PRINCIPLE...

Page 20: ...aft flange nut by using T type box wrench Loosen the pulsator mounting screw and remove the pulsator Remove the tub ass y Gear Mechanism Ass y Replacement BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PA...

Page 21: ...on the floor Remove four bolts mounting the plate gear protect by using a box wrench and remove plate gear protect Remove the V belt Remove four bolts mounting the gear mechanism ass y by using a box...

Page 22: ...upper procedure 2 Overtightening of the adjustment bolt will cause poor brake performance 3 Undertightening of the adjustment bolt will cause continuous braking and thereby cause the problems of the...

Page 23: ...Q ty Fixing jig 1 Ratchet handle 1 Socket and extension bar socket 10mm 17mm per each Some cotton yarn some Th e S tructure O f G ear M echanism Bearing Clutch Boss Clutch spring Spring Washer Pulley...

Page 24: ...E SHORT OF SPIN PERFORMANCE IN THIS CASE YOU MUST EMPTY THE SPIN TUB FIRST 1 TO CHECK THE REVOLUTION OF SPIN TUB IF THE SPIN TUB DOES NOT REVOLVE AND ONLY THE PULSATOR IS TURNING THAT IS CLUTCH SPRING...

Page 25: ...t Remove the protector Remove the v belt Loosen the fastening nut Disassemble the spring washer Use wrench or driver ratchet handle extension bar socket 10mm Use fixing jig for pulley as to see fig 1...

Page 26: ...tch boss assembly Separate coupling from clutch boss ass y Cleaning Catch the boss and pull upward with spiral rotate in the clockwise direction Clean the drum plate coupling surface and contact face...

Page 27: ...sher Check the uneven face of cou pling is assembled upward Push in the clutch boss ass y with rotating on the clockwise direction After assembling rotate on the clockwise more 2 3 teeth and pull out...

Page 28: ...e protector Final checking 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 bind ing force too much or...

Page 29: ...tive Lead wire is defective SOLUTION Change water inlet valve Open the water tap Clean the filter Increase the water pres sure Connect the connector or the terminal properly Change the P C B AS Change...

Page 30: ...ion Change the air tube Air tube is defective Change the pressure switch Pressure switch is defec tive PROBLEM THE PUL SATOR DOES NOT ROTATE EVEN IF THE WATER IS SUPPLED CHECK POINT Does the motor ope...

Page 31: ...housing Is the output voltage of the drain pump normal CAUSE SOLUTION Install the drain hose properly Remove the foreign mat ter from the pump hous ing Change the Drain pump Change the P C B ASS Y Imp...

Page 32: ...capacitor termi nal good CAUSE SOLUTION Close the lid Change the safety switch Connect the connector properly Change P C B ASS Y Change the drain motor Change the P C B ASS Y Change the V belt Change...

Page 33: ...Y Is the strange noise gen erated when the pulsator rotates in TEST MODE of P C B ASS Y Is the V belt worn out CAUSE SOLUTION Connect the plug Change P C B ASS Y Change Fuse Connect the connector pro...

Page 34: ...switch is inferior The load sensing is inferior After the load sensing operates about 7 seconds the message is displayed during 1 second and water level is always fixed high The water level sensing is...

Page 35: ...APPENDIX 34 WIRING DIAGRAM Wiring Diagram non pump single valve bubble...

Page 36: ...35 WIRING DIAGRAM non pump single valve non bubble...

Page 37: ...36 WIRING DIAGRAM non pump single valve bubble...

Page 38: ...37 WIRING DIAGRAM non pump non bubble...

Page 39: ...38 WIRING DIAGRAM pump single valve bubble...

Page 40: ...39 WIRING DIAGRAM pump bubble...

Page 41: ...40 WIRING DIAGRAM pump non bubble...

Page 42: ...41 PARTS DIAGRAM Parts Diagram...

Page 43: ...42 PARTS DIAGRAM...

Page 44: ...12787931 8A PUMP BUBBLE COLD HOT 3612787986 5A NON PUMP NON BUBBLE COLD HOT 3612787981 8A NON PUMP NON BUBBLE COLD HOT 3612787976 5A NON PUMP BUBBLE COLD HOT 3612787971 8A NON PUMP BUBBLE COLD HOT A14...

Page 45: ...11905700 ABS 728A AIR DRY A21 COVER AIR FILTER 3611424800 PP HJ 740 AIR DRY A22 DOOR B 36117AAD00 ABS 728A 820W OPTION A23 COVER DOOR B 3611424600 ABS TR558 820W NON TRANSPARENT A24 DOOR F 36117AAB00...

Page 46: ...45 PARTS DIAGRAM...

Page 47: ...MP B13 HOSE DRAIN O AS 3613218800 LDPE EVA L 1600 PUMP PUMP B14 GUIDE DRAIN HOSE 3612502300 PP B15 FILTER AS 3611904900 DWF 800WNP E TYPE ASKOLL PUMP 3611901530 DWF 5590DPNE E TYPE DMI PUMP B16 COVER...

Page 48: ...47 PARTS DIAGRAM...

Page 49: ...618808100 PP PLASTIC C09 GUIDE FILTER 3612503900 PP C10 PULSATOR AS 3619706600 DWF 750WTP C11 FILTER AS 4505E82002 POLYESTER 90X120 INSERT C12 SPECIAL SCREW 3616002901 SUS 304 NON SILOCK C13 SPECIAL N...

Page 50: ...49 PARTS DIAGRAM...

Page 51: ...17307310 GM 0600 KJ4P0 D16 BOLT HEX 7640802011 6B 1 8X20 SW MFZN D17 PROTECTOR GEAR 3618303600 SGCC 1 2T D18 SPECIAL WASHER 4505E34030 PP 3618959900 110 127V 60Hz W1D30CC004 D19 UNIT MOTOR AS 36189601...

Page 52: ...Circuit Diagram 51 CIRCUIT DIAGRAM...

Page 53: ...S M No WF770SE001 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 Oct 2003...

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