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LG Electronics WD12311RD manual

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Table of contents for the manual

  • Page 1

    W ASHING MACHINE SER VICE MANUAL READ THIS MANUAL CAREFULL Y TO DIAGNOSE TROUBLES CORRECTL Y BEFORE OFFERING SERVICE. MODEL : WD-1431 1(6)RD/WD-1481RD WD-1231 1(6)RD WD-14312(7)RD/WD-14310(5)RD WD-12312(7)RD/WD-12310(5)RD WD-10PFD, 10PFP WD-1431 1RDA WD-1485RD/WD-1488RD A WD-14312(7)RD A WD-12312(7)RD CAUTION[...]

  • Page 2

    OC T . 2004 PRINTED IN KOREA P/No.:3828ER3035 G[...]

  • Page 3

    CONTENTS 1. SPECIFICA TION ............................................................................................................... .............3 2. FEA TURES & TECHNICAL EXPLANA TION ................................................................................ 4 3. P ARTS IDENTIFICA TION .............................................[...]

  • Page 4

    3 1. SPECIFICA TION ITEM PO WER SUPPL Y PRODUCT WEIGHT W ASHING 140W SPIN 300W F AN MOTOR 25W DRAIN MOTOR 40W W ASH HEA TER DRY HEA TER W ASH 45rpm WD-1481RD/WD-1431 1RDA/WD-1431 1(6)RD/WD-14312(7)RD/ WD-14310(5)RD/A WD-14312(7)RD/WD-10PFD/WD-10PFP/WD-1488RD WD-1231 1(6)RD/WD-12312(7)RD/WD-12310(5)RD/A WD-12312(7)RD 400/800/1000/1200 rpm OPERA TION[...]

  • Page 5

    ■ Automatic process from washing to drying. Automatic process from washing to drying can be selected easily . W ashing capacity : 8kg/8.5kg/10.1kg(Cotton)/10kg Drying capacity : 4kg/4.2kg/10.1kg(Cotton)/6kg ■ More economical by Intelligent W ash System Intelligent W ash System detects the amount of load and water temperature, and then determine[...]

  • Page 6

    2-2.DETERMINE W ASHING TIME BY FUZZY LOGIC T o get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount. 2-3.W A TER LEVEL CONTROL  This model adopts a pressure sensor which can sense the water level in the tub.  W ater supply is stopped when the water level t[...]

  • Page 7

    3. P AR TS IDENTIFICA TION 6  ACCESSORIES Spanner                              ?[...]

  • Page 8

     Before servicing ask troubles of customers  Check the adjustment(power supply is 220-240V~, remove the transit bolts....)  Check the troubles referring to the trouble shooting.  Decide service steps referring to disassembly instructions.  And then, service and repair .  After servicing, operate the appliance whether it works O ?[...]

  • Page 9

     HOW TO CONNECT INLET HOSE  Check that the rubber packing is inside of the valve connector .  Connect the inlet hose firmly to prevent leak.  CONNECT DRAIN HOSE  CONNECT POWER PLUG 8  Make sure that the hose is not twisted.  The drain hose should be placed under 100cm from the floor .  Connect the power plug to the wall outl[...]

  • Page 10

     TEST OPERA TION 9 MAX max  Connect the power plug to the outlet.  In case of Coloreds program.  Connect the inlet hose. Preparation for Press the POWER button. Press the Start/Pause washing. button.  Press the T emp. button  Check if the drum rotates  Check if water is supplied and the present temperature will clockwise and co[...]

  • Page 11

    10 5. OPERA TION • Use this button to turn the power On/Off . • Rotate the Cycle selector knob to select the cycle designed for different types of fabric and soil levels. • Use this option to pre Press and hold PRE lock/unlock control. • When Child lock is se buttons are disabled can lock the washer w • Pre W ash : Use this option for loa[...]

  • Page 12

    11 • INTENSIVE • DRY Button • Rinse, Spin, Temp. Button • TIME DELAY event unwanted use of the washer . W ASH button for 3 seconds to et, CHILD LOCK lights and all except the Power button. Y ou while it is operating. • If the laundry is heavily soiled “Intenive” option is effective. • By selecting the Intensive option, the wash time[...]

  • Page 13

    12 6. WIRING DIAGRAM / PROGRAM CHAR T About 2:00 About 1:50 About 30 About 1:00 About 55 About 1:15 About 46 About 28 About 17 About 30 About 33 About 1:05 About 2:50[...]

  • Page 14

    13 7. TROUBLE SHOOTING 7-1.BEFORE SVC CHECKING  Be careful of electric shock or disconnecting the parts while trouble shooting.  V oltage of each terminal in 220-240V~ and DC while applying an electric current. 7-2.QC TEST MODE.  Pressing Rinse, and Spin button simultaneously .  Press the Power button, while the above condition.  Pre[...]

  • Page 15

    14 7-5.ERROR DISPLA Y.  If you press the Start/Pause button in error condition, any error except ‘ ’ will disappear and the machine will change into pause status.  In case of       if the error is not resolved within 20 sec., and in case of other errors, if the error is not resolved within 4 min., power[...]

  • Page 16

    ERROR SYMPTOM CAUSE 8 9 10 • MAIN PWB ASSEMBL Y is out of order  Replace the MAIN PWB ASSEMBL Y • Winding in the ST A TOR ASSEMBL Y is short-circuited.  Replace the ST A TOR ASSEMBL Y • “ ” is dispplayed during a high spin  Replace the LEAD WIRE ASSEMBL Y (MOTOR) • The connector in the LEAD WIRE ASSEMBL Y is not connected to th[...]

  • Page 17

    16 8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERA TION 8. ERROR DIAGNOSIS AND CHECK LIST SYMPTOM GUIDE FOR SERVICE CALL NO POWER W ater inlet trouble Is the power plug connected firmly to 220-240V~ outlet? Power failure? or Breaker opened? Visit to check Is " " displayed? Is the tap opened? Is the tap frozen? Is the water supply shut-off? Is[...]

  • Page 18

    17 SYMPTOM • Door does not open • Error displayed on the program • DRAIN TROUBLE GUIDE FOR SERVICE CALL NO YES NO YES Started with door opened? NO YES Is the debris filter clogged with foreign material such as pin, coin and etc.? Is the drain hose frozen with water, kinked or crushed? Visit to check Close the door Visit to check Check if the [...]

  • Page 19

    18 SYMPTOM GUIDE FOR SERVICE CALL  Suds overflow from the appliance. (In this condition, wash and spin do not operate normally)  No effect of softener YES YES YES YES YES Is low-sudsing detergent for the drum washing machine used? Is the proper amount of detergent used as recommended? Recommend to reduce the using amount of detergent. Is soft[...]

  • Page 20

    19 8-2.FAUL T DIAGNOSIS AND TROUBLE SHOOTING 1. Be careful of electric shock or disconnecting the parts while trouble shooting. 2. First of all, check the connection of each part terminal with wiring diagram. 3. If you replace the MAIN PWB ASSEMBL Y , Put in the connectors correctly . NO NO YES YES YES NO NO YES <PWB ASSEMBLY (MAIN)> <PWB [...]

  • Page 21

    20 Is water supply shut-off? Is the tap opened? When you press both Rinse button and Spin button simultaneously , is the water level frequency below 240? Is the inlet valve filter clogged with impurity? Is resistance between each terminal of INLET V AL VE ASSEMBL Y is 2~8 k  ? Check the voltage of the inlet valve connector 220-240V~. (Refer to 7[...]

  • Page 22

    21 YES YES NO NO NO NO YES YES YES YES Wiring diagram ABNORMAL SOUND SOFTENER DOES NOT FLOW IN Fix the bolt tightly . Replace the ST A TOR ASSEMBL Y or ROTOR ASSEMBL Y . Refer to  NO W A TER SUPPL Y  Check the wiring on the dispenser . Put it in the correct compartment. Clean the cap and drawer . Is the motor bolt loosened? Is there friction [...]

  • Page 23

    22 Replace the S.PRESSURE SWITCH ASSEMBL Y Replace the MAIN PWB ASSEMBL Y Repair the DRAIN HOSE ASSEMBL Y . Remove foreign material. Reconnect or repair the connector Repair the DRAIN PUMP ASSEMBL Y . Repair the MAIN PWB ASSEMBL Y . When pressing W ash and Rinse at the same time after draining, is the water level frequency 248 ~ 262 or more? When p[...]

  • Page 24

    23 AC 220-240V Push the THERMISTOR tightly to the rubber . When checking THERMISTOR on the tub is the THERMISTOR loosened above 2mm from the rubber? HEA TING CONTINUOUSL Y ABOVE THE SETTING W A TER TEMPERA TURE[...]

  • Page 25

    24 NO YES YES YES NO NO NO YES (1) SPIN TROUBLE Check the S.PRESSURE SWITCH ASSEMBL Y or HOSE (Pressure). If the problem is on the S.PRESSURE SWITCH ASSEMBL Y or the HOSE, replace the S.PRESSURE SWITCH ASSEMBL Y or the HOSE. Normal Correct the connector . Replace the ST A TOR ASSEMBL Y Check on the spinning, is the frequency of the water level 248 [...]

  • Page 26

    Dry duct Condensing duct Thermistor Disassemble the cabinet cover and condensing bellows. Is there any foreign object in condensing bellows. Clean the bellows [dHE] ERROR DISPLAY CHECK FOR DRY HEATER TROUBLE CHECK FOR DRY FAN MOTOR TROUBLE NO YES Replace the thermistor. (6322FR2046B) YES NO Disassemble the dry fan assy and dry duct upper, and clean[...]

  • Page 27

    26[...]

  • Page 28

    Black Yellow 20~30 27[...]

  • Page 29

    28[...]

  • Page 30

    9. DISASSEMBL Y INSTRUCTIONS  Disassemble and repair the parts after pulling out power cord from the outlet.  Unscrew the screws on the top plate.  The plate assembly(T op) is pulled back and then upward to arrow direction.  The cover(Inner) is disassembled.  The PWB assembly(Display) connectors are disconnected.  Pull out drawer [...]

  • Page 31

    30  The back cover is removed.  T wo screws are unscrewed.  Disconnect connector from the wiring.  Pull the PWB assembly (Main) to arrow direction.  The plate assembly(T op)and the cover(lnner)are disassembled.  Pull the drawer to arrow direction.  T wo screws are unscrewed.  The hose clamps and the hose are disassembled. ?[...]

  • Page 32

    31  Disconnect the wiring connector .  Remove the valve by two screws of the valve holder .  When reconnecting the connector 2 1 3 4 INLET VALVE V AL VE  (DRY) YL/BK - BK V AL VE  (PRE-W ASH) GY/WH - BK V AL VE  (NORMAL-W ASH) WH/BK - BK V AL VE ®È (NORMAL-W ASH) BL/RD - BK V AL VE  (HOT) BL/RD - BK  Open the door complete[...]

  • Page 33

    32  The cabinet gasket clamp is released.  T wo screws are unscrewed from the cabinet cover .  Pull plat( - ) screwdriver or pully knife into the both sides of filter cover , and pull in out.  Unscrew the screw from the lower side of the cabinet cover .  Unscrew the 2 screw from upper of the cabinet cover . GASKET ASSEMBLY[...]

  • Page 34

    33  Disassemble the clamp assembly .  Remove dry gasket clamp by loosening the screw .  When reassembling the gasket, put the drain hole of the gasket downward, then assemble. Drain Hole Tub Gasket Clamp[...]

  • Page 35

    34  Remove the back cover .  After loosening the bolt, Rotor , pull out the rotor .  Remove the 6 bolt from the stator .  Disconnect the 2 connectors.  Remove the hinges (Damper) at the T ub.  The Hinge(Damper) at the base is pulled of f pressing on the snaps at the sharp end.  The hinge at the base is pulled off. (T o arrow di[...]

  • Page 36

     Remove pump outlet hose.  Remove tub pump bellows.  Remove cap(Remaining Hose).  Disconnect the wiring.  Three screws are unscrewed from the cabinet.  Remove the pump to arrow direction.  Loosen the nut.  Remove washing heater by pulling out. When assembling the washing heater , insert the heater to heater clip on the botto[...]

  • Page 37

     The cabinet cover clamp is removed and the gasket is released.  T wo screws are unscrewed.  The door lock S/W is disconnected form the wiring connector and the strap.  Remove washing heater .  Remove the foreign object(wire,coin,etc) by inserting long bar in the hole. SWITCH ASSY, DOOR LOCK WHEN FOREIGN OBJECT STUCK BETWEEN DRUM AND[...]

  • Page 38

     Remove 6 screws and dry fan assembly .  Remove 7 screws and dry duct upper .  Remove 2 screws and dry heater .  Remove thermostat.  Remove 17 screws from Dry duct upper and Dry fan Assembly .  Remove 5 screws and condensing duct. 37 Dry fan Ass'y Dry Duct Upper Dry Heater Thermostat DRY DUCT CONDENSING DUCT[...]

  • Page 39

    10-1.THE P ART LIST OF CABINET ASSEMBL Y 10. EXPLODED VIEW AND P AR T LIST 38 A150 A152 A140 A153 A151 A134 A270 A272 A274 A141 A131 A130 A440 A133 A303 A275 A276 A220 A201 A200 A410 A450 A430 A485 A100 A101 A110 A120 A154 A103 A102 A104 A310 A300 A240[...]

  • Page 40

    10-2 THE EXPLODED VIEW OF CONTROL P ANEL & DISPENSER ASSEMBL Y 39 F130 F430 F441 F210 F160 F170 F110 F120 F300 F321 F324 F462 F322 F436 F466 F215 F225 F220 F432 F320[...]

  • Page 41

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBL Y 40 K 111 K123 K122 K121 K410 F465 F464 K146 M105 K140 K560 K510 K131 K135 K130 K1 15 F145 K520 K540 K550 F467 F461 F468 K530 K61 1 K610 K105 K320 K125 K310 K512 K1 10 K141 K350 K351 K360 K143 F140 K41 1 F310 F463 K410 K340 K344 K346 K342 K311[...]

  • Page 42

    10-4 THE EXPLODED VIEW OF DR YER 41 M130 M120 M230 M216 M100 M101 M220 M240 M210 M215 M111 M110[...]