LG WD-1 Series Service Manual
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LG WD-1 Series Service Manual

LG WD-1 Series Service Manual

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WASHING MACHINE

SERVICE MANUAL

CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD-1***(0~9)ND(K)/TD(K)/FD(K)
website : http://www.LGEservice.com
e-mail : http://LGEservice.com/techsup.html

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  • Page 1: Washing Machine

    website : http://www.LGEservice.com e-mail : http://LGEservice.com/techsup.html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : WD-1***(0~9)ND(K)/TD(K)/FD(K)
  • Page 2 FEB. 2007 PRINTED IN KOREA P/No.: MFL30574712...

  • Page 3: Table Of Contents

    CONTENTS 1. SPECIFICATIONS .........................3 2. FEATURES & TECHNICAL EXPLANATION ................4 3. PARTS IDENTIFICATION ......................6 4. INSTALLATION ..........................7 5. OPERATION ..........................10 6. WIRING DIAGRAM/PROGRAM CHART ..................12 7. TROUBLESHOOTING.........................13 7-1.BEFORE SERVICE......................13 7-2.TEST MODE ........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.ERROR DISPLAY ........................14 8.

  • Page 4: Specifications

    1. SPECIFICATIONS WD-1***(0~9)ND(K) WD-1***(0~9)TD(K) WD-1***(0~9)FD(K) ITEM POWER SUPPLY 220-240V~, 50Hz 59 kg 58 kg 64 kg PRODUCT WEIGHT WASHING 135W SPIN (1400rpm) 530W ELECTRICITY DRAIN MOTOR CONSUMPTION 2000W 2100W 2100W WASH HEATER WASH 50rpm REVOLUTION WD-10**(0~9)ND(K)/TD(K)/FD(K) No Spin~1000 rpm SPEED SPIN WD-12**(0~9)ND(K)/TD(K)/FD(K) No Spin~1200 rpm WD-14**(0~9)ND(K)/TD(K)/FD(K) No Spin~1400 rpm...

  • Page 5: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES Anti Crease function With the alternate rotation of the drum, creasing in the laundry is minimized. More economical by Fuzzy Logic System FUZZY Logic System detects the amount of load and water temperature, and then determines the optimum water level and washing time to minimize energy and water consumption.

  • Page 6: Water Level Control

    2-2.DETERMINE WASHING TIME BY FUZZY LOGIC To get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount. water temperature washing time the best selected FUZZY washing washing rinse time temperature LOGIC performance spin rhythm, time...

  • Page 7: Parts Identification

    3. PARTS IDENTIFICATION ACCESSORIES...

  • Page 8: Installation

    4. INSTALLATION Before servicing ask the customer what the trouble is. Check the adjustments. (Power supply :220-240V~, Removal of transit bolts etc..) Check the troubles referring to the troubleshooting. Decide service steps referring to disassembly instructions. Then, service and repair. After servicing, operate the appliance to see whether it works O K or NOT.
  • Page 9 HOW TO CONNECT INLET HOSE Check that the rubber is the inside of valve connector. Connect inlet hoses firmly to prevent leak. CONNECT DRAIN HOSE Make sure that the hose is not twisted. Avoid submerging the end of the hose. The drain hose should be placed under 100cm from the floor.

  • Page 10: Test Operation

    TEST OPERATION Preparation for Press the power button. Press the START/PAUSE washing. button. Connect the power plug to In case of cotton program. the outlet. Connect the inlet hose. Check the water heating. Check automatic reverse Check the water supply. turn.

  • Page 11: Operation

    5. OPERATION LED display It is possible in cotton Display the estimated remaining time (Hour : Minute) course when 60 C to finish. In case of abnormal operation, error indications are displayed. See troubleshooting guide. Wash program selector 10 programs can be set depending on the type of the laundry.

  • Page 12: Time Delay

    ❋ QC Test Mode -Press Medic Rinse and Rinse + and Power buttons simultaneously ❋ Water level frequency buttons -Press Time Delay and Medic Rinse simultaneously Time Delay Child - Lock Press the button when reservation washing is needed. Child Lock system can be set and canceled by pressing When the button is pressed, [ ] is displayed, and holding both Medic Rinse button and Intensive button...
  • Page 13 Wash program selector LED display 9 program can be set depending on the type of the laundry. Display the estimated remaining time If the power button is pressed, Cotton program is (Hour : Minute) to finish. In case of abnormal operation, error indications automatically set.

  • Page 14: Option Button

    ❋ QC Test Mode -Press Option and Spin and Power buttons simultaneously ❋ Water level frequency buttons -Press Time Delay and Temp. simultaneously Time Delay INTENSIVE STATUS INDICATOR • If the laundry is heavily soiled Press the button when delayed washing is •...

  • Page 15: Lcd Display

    Wash program selector LCD display 9 programs can be set depending on the type of Display the program and estimated remaining time (Hour : Minute) to finish. the laundry. In case of abnormal operation, error indications are If the power button is pressed, all lamps are on displayed.

  • Page 16: Crease Care

    Time Delay Spin button Power button Press the button when delayed washing is By pressing the Spin Press the button to turn needed. button the spin speed power on and off. When the button is pressed, is displayed, can be chosen. Press the button to maximum delay of hours can be set.
  • Page 17 Child - Lock Child Lock system can be set and canceled by pressing and holding both Medic Rinse button and Pre Wash button simultaneously more than 3 seconds. Once Child Lock is set, all buttons are not functioning except power button. Child Lock system can be set anytime even during Power-off and operation.

  • Page 18: Water Temperature

    ❋ QC Test Mode -Press Spin and Temp. and Power buttons simultaneously ❋ Water level frequency buttons -Press Intensive and Crease Care simultaneously Time Delay LED display Press the button when reservation washing is needed. Display the estimated remaining time (Hour : Minute) When the button is pressed, [ ] is displayed, to finish.
  • Page 19 Wash program selector LED display 8 program can be set depending on the type of the laundry. Display the estimated remaining time (Hour : Minute) to finish. If the power button is pressed, Cotton program is automatically In case of abnormal operation, error set.

  • Page 20: Medic Rinse

    ❋ QC Test Mode -Press Rinse + and Intensive and Power buttons simultaneously ❋ Water level frequency buttons -Press Time Delay and Rinse + simultaneously Child - Lock Time Delay Press the button when delayed washing is Child Lock system can be set and needed.

  • Page 21: Wiring Diagram/Program Chart

    / PROGRAM CHART 6. WIRING DIAGRAM About 1:55(53) Cotton Synthetic About 1:17 Delicate About 52 Bedcover About 1:29 Hand Wash/ About 49 Wool Quick 30 About 30 Rinse+Spin About 26(24) About 2:27(25) Bio Care Baby Care About 2:24<2:14> ❋ Medic Rinse Function that offers more purity in rinse of feracion by maintaining the optimum temperature for elimination of remnant detergent.

  • Page 22: Troubleshooting

    7. TROUBLESHOOTING 7-1.BEFORE PERFORMING SERVICE Be careful of electric shock or disconnecting the parts while trouble shooting. Voltage of each terminal in 220-240V~ and DC while applying an electric current. 7-2.QC TEST MODE. Refer to the page 10~20. Press Power with above two buttons pressed and then buzzer will sound. Press the Start/Pause button as follows.

  • Page 23: 7-4.Error Display

    7-4.ERROR DISPLAY. If you press the [Start/Pause] button when an error in displayed, any error except S/W ERROR will disappear and the machine will change into pause status. In case of if the error is not resolved within 15 sec. In case of other errors, if the error is not resolved within 4 min.

  • Page 24: Error Diagnosis And Check List

    8. ERROR DIAGNOSIS AND CHECK LIST 8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION SYMPTOM GUIDE FOR SERVICE CALL NO POWER Is the power plug connected firmly to 220-240V~ outlet? Power failure? or Breaker opened? Is the outlet controlled by a switch. Visit to check Water inlet trouble displayed?
  • Page 25 SYMPTOM GUIDE FOR SERVICE CALL DOOR OPEN ERROR Did you press the Start/Pause button when Close the door the door is open? Refer to 7-4 ERROR DISPLAY Visit to check Check if the door switch is O.K Drain Trouble displayed? Clean up Is the debris filter clogged with foreign the filter.
  • Page 26 SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is low-sudsing detergent for the durm appliance. washing machine used? (In this condition, wash and spin do not operate LOW SUDSING normally) Is the proper amount of detergent used DETERGENT as recommended? Recommend to reduce the amount of detergent.

  • Page 27: Fault Diagnosis And Troubleshooting

    8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING CAUTION 1. Be careful of electric shock or disconnecting the parts while troubleshooting. 2. First of all, check the connection of each part terminal with wiring diagram. 3. If you replace the PWB assembly (Main), put in the connectors correctly. NO POWER When measuring the voltage of the outlet, Check the fuse...

  • Page 28: No Water Supply

    NO WATER SUPPLY Is the water supply shut-off? Is the tap opened? Open the tap. Check the chamber (Air) Water level frequency below 240? and the tube clogged with impurity. Is the inlet valve filter clogged with impurity? Clean the filter. Is resistance of the inlet valve connector option (HOT) kΩ...

  • Page 29: Softener Does Not Flow In

    SOFTENER DOES NOT FLOW IN option (HOT) Refer to Is water supplied? NO WATER SUPPLY Check the wiring on the Are receptacles correctly connected to the dispenser. terminals of inlet valve? Is softener put in the correct compartment of Put it in the correct compartment.

  • Page 30: Heating Without Water

    HEATING WITHOUT WATER Water level frequency 252 or more? Replace the sensor Water level frequency between 230~245~? (pressure) PWB ASSEMBLY (MAIN) Checking voltage between two [Yellow(RD), Replace the PWB Black(YL)]pins as press the power button is assembly the voltage 220 - 240V~ in without water condition AC 220-240V DRAIN MALFUNCTIONING...
  • Page 31 WASH HEATER TROUBLE PWB ASSEMBLY (MAIN) When checking the voltage between Replace the PWB connector the PWB assembly (Main) assembly (Main) during cotton 95°C washing ,Is the voltage 220 - 240V 220 - 240V~ After power off,is the resistance of wire (RED-YELLOW) connectors between Normal to 30 ?

  • Page 32: Spin Trouble

    SPIN TROUBLE Check the sensor (Pressure) or hose While spinning, is the frequency of the (Sensor). water level 248 or more? If the problem is on the sensor or the hose, replace the sensor or the hose. Pressing QC test mode buttons at the same Normal time after power off, press the START/PAUSE button 2 times, is the drum low speed spin?

  • Page 33: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. CONTROL PANEL Unscrew 2 screws on the back of the top plate. PLATE ASSEMBLY (TOP) Pull the top plate backward and upward as shown. Disconnect the PWB assembly connector from Main Hook lead wire assembly.

  • Page 34: Dispenser Assembly

    DISPENSER ASSEMBLY Disassemble the top plate assembly. Pull out the drawer to arrow direction. Unscrew 2 screws. PUSH DRAWER The hose clamps and the hose are disassembled. Option DISPENSER ASSEMBLY The ventilation bellows and the water inlet bellows are disassembled on the tub.

  • Page 35: Inlet Valve

    INLET VALVE Disconnect the wiring receptacle. Unscrew 2 screws from the back. When reconnecting the connector VALVE #1 (MAIN) White / Black - Black VALVE #2 (PRE) Gray / White - Black VALVE #3 (HOT) Blue / Red - Black LOWER COVER Open the lower cover cap by using coin and pull out the lower cover to the arrow direction after a screw is...

  • Page 36: Gasket Assembly

    GASKET ASSEMBLY Take apart the cabinet gasket clamp. Unscrew 2 screws from the cabinet cover. Open the lower cover cap and unscrew 1 screw inside. Take apart the lower cover. Disassemble the control panel. (page 24) Unscrew all the screws on the upper and lower sides of the cabinet cover.

  • Page 37: Clean The Drain Pump Filter

    ROTOR ASSEMBLY, STATOR ASSEMBLY, FRICTION DAMPER ASSEMBLY Remove the BACK COVER. Unscrew the bolt to pull out the ROTOR assembly. Rotor Bolt (ROTOR ASSEMBLY) Disconnect the wiring connector. Unscrew 6 bolts from the STATOR. Remove the STATOR. Note : Hook of connector (1) is on the backside (STATOR ASSEMBLY) Pull out the hinge, pressing its snap.
  • Page 38 PUMP Remove pump outlet hose. Pump Outlet Hose Remove tub pump bellows. Remove cap (Remaining Hose.) Disconnect the wiring. Unscrew 2 screws. Remove the pump. Tub Pump Bellows HEATER Loosen the M6 heater nut to pull out the heater. CAUTION When mounting the heater, be sure to insert the heater into the heater clip on the bottom of the tub.
  • Page 39 SWITCH ASSEMBLY, DOOR LOCK Take apart the cabinet cover clamp and release the gasket. Unscrew 2 screws holding the door lock. Disconnect the door lock from the wiring connector. WHEN FOREIGN MATERIAL IS STUCK BETWEEN DRUM AND TUB Remove the heater. Remove the foreign material (wire, coin and others) by inserting a long bar through the hole.

  • Page 40: Exploded View

    10. EXPLODED VIEW 10-1.THE EXPLODED VIEW OF CABINET ASSEMBLY A154 A153 A110 A140 A152 A151 A150 A101 A141 A131 A100 A102 A104 A430 A103 A130 A485 A134 A440 A410 A133 A200 A300 A303 A310 A220 COLD (BLUE) A276 ❋ Location No A200, Apply Model is WD-****TD(K)

  • Page 41: The Exploded View Of Control Panel & Dispenser Assembly

    10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY F321 F462 F300 F160 F432 F225 F430 F220 F441 F120 A450 F215 F110 F210 ❋ Location No F216, Apply Model is WD-**35(36)*TD(K)

  • Page 42: The Exploded View Of Drum & Tub Assembly

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K351 K350 K360 K143 K123 F140 K411 K121 K122 K410 K125 F320 K320 K111 F466 K310 F464 K110 K141 F310 K311 K105 K140 K115 K610 K510 K130 K611 K131 K530 F468 K340 F467 K550...

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