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LG WDM-1018 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
WD
WD
WD
website : http://www.LGEservice.com
e-mail : http://LGEservice.com/techsup.html
- 1018(0~9)S
(
)
M
- 8018(0~9)S
(
)
M
(
)
- 1018(0~9)N
M
- 8018(0~9)N
(
)
M

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  Summary of Contents for LG WDM-1018 SERIES

  • 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. - 1018(0~9)S MODEL : WD - 8018(0~9)S - 1018(0~9)N - 8018(0~9)N...
  • Page 2: Table Of Contents

    CONTENTS 1. SPECIFICATION..........................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 PERFORMING SERVICE ..................13 7-2.TEST MODE ........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.ERROR DISPLAY ........................14 8.
  • Page 3: Specification

    1. SPECIFICATION WD(M)-1018(0~9)S WD(M)-1018(0~9)N ITEM WD(M)-8018(0~9)S WD(M)-8018(0~9)N POWER SUPPLY 220-240V~, 50Hz PRODUCT WEIGHT 52kg 57kg WASHING 190W SPIN (800rpm) 300W ELECTRICITY DRAIN MOTOR CONSUMPTION WASH HEATER 1900W WASH 50rpm REVOLUTION SPEED SPIN WD(M)-8018(0~9)S(N) 400/500/600/800rpm WD(M)-1018(0~9)S(N) 400/600/800/1000rpm OPERATION WATER PRESSURE 0.3-10kgf/cm 30-1000kPa CONTROL TYPE Electronic...
  • Page 4: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES Protection against creases 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 5: 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 6: Parts Identification

    3. PARTS IDENTIFICATION ACCESSORIES Hot/Cold (2EA) Wrench Cold (1EA)
  • Page 7: Installation

    4. INSTALLATION Before servicing ask the customer what the trouble is. Check the adjustment (power supply is 220-240V, remove the transit bolts..) 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 8 HOW TO CONNECT INLET HOSE Check that the rubber washer is inside of the valve connector. Connect the inlet hose 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 9: 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 10: Operation

    5. OPERATION LED display It is possible in cotton Display the estimated remaining time course when 60 C (Hour : Minute) to finish. In case of abnormal operation, error indications are displayed. See troubleshooting guide. Wash program selector 9 program can be set depending on the type of the laundry.
  • Page 11: Time Delay

    Option If you want to eliminate protein stains(milk, blood, chocolate...), you may select Bio by pressing the option button.[You can select Bio when temperature is higher than 60 C in Cotton and Synthetic.] Rinse + If you wish to rinse more, the Rinse + option will remove any trace of detergents. Pre Wash If the laundry is heavily soiled, “Pre Wash”...
  • Page 12: Wiring Diagram/Program Chart

    / PROGRAM CHART 6. WIRING DIAGRAM ¡ ( ) : WD-1018(0~9)S(N)/WD-8018(0~9)S(N) 2:35(2:34) Drain Pre Wash : If the laundry is heavily soiled, “Pre Wash” course is effective. Pre Wash is available in Cotton and Synthetic Program. Eco : By selecting Eco function, the water temperature is reduced and washing time is lengthened. So you can economize in your consumption of energy.
  • Page 13: 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. Pressing Option (Bio, Rinse+) and Option (Crease Care/Pre Wash) button simultaneously. Power button ON with pressing upper two button.
  • Page 14: 7-4.Error Display

    7-4.ERROR DISPLAY. If you press the Start/Pause button any error except 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 15: 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 16 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 17 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 18: 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 19: No Water Supply

    NO WATER SUPPLY Is the water supply shut-off? Is the tap opened? Open the tap. Check the chamber (Air) When you press both Option(Pre Wash/Crease and the tube clogged care) button and Time Delay button simultaneously, is the water level frequency below 240? with impurity.
  • Page 20 SOFTENER DOES NOT FLOW IN Refer to option (HOT) Is water supplied? NO WATER SUPPLY Are receptacles correctly connected to the Check the wiring on the terminals of inlet valve? dispenser. Put it in the correct Is softener put in the correct compartment of compartment.
  • Page 21: Heating Without Water

    HEATING WITHOUT WATER When pressing [Option(Pre Wash/Crease Care)] and [Time Delay] at the same time after draining, is the water level frequency 252 or more? Replace the sensor When pressing [Option(Pre Wash/Crease Care)] (pressure) [Time Delay] buttons at the same time while wash, is the water level frequency between 220 - 240V~? PWB ASSEMBLY (MAIN) (RED)
  • Page 22 WASH HEATER TROUBLE PWB ASSEMBLY (MAIN) When checking the voltage between (RED) (RED) (WHITE) (WHITE) (WHITE) (WHITE) (BLUE) (BLUE) Replace the PWB connector the PWB assembly (Main)during assembly (Main) whites washing ,Is the voltage 220 - 240V 220 - 240V~ After power off,is the resistance of wire (RED-YELLOW) connectors between YELLOW...
  • Page 23 SPIN TROUBLE Check on the spinning, is the frequency of the Check the sensor water level 248 or more. The frequency can be (Pressure) or hose (Sensor). checked by pressing the Option(Pre Wash/Crease If the problem is on the Care) and Time Delay buttons at the same time on sensor or the hose, replace the program.
  • Page 24: 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 25: Dispenser Assembly

    DISPENSER ASSEMBLY Disassemble the top plate assembly. Pull out the drawer to arrow direction. Unscrew 2 screws. 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 26: 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 in the arrow direction after a screw is unscrewed.
  • Page 27 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 cantrol panel. (refer to the 25page) Unscrew all the screws on the upper and lower sides of the cabinet cover.
  • Page 28: Pulley/Motor/Damper

    PULLEY, MOTOR, DAMPER Remove the back cover. Take off the belt turning the pulley. Unscrew the bolt to pull out the pulley. (PULLEY) Unscrew 2 screws from the bracket. Push the motor in the arrow direction for disassembling. When reassembling the motor, make sure that motor mounting bushings are not taken off from the bracket.
  • Page 29: Pump

    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 30: Switch Assembly/Door Lock

    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 31: Exploded View

    10. EXPLODED VIEW 10-1.THE EXPLODED VIEW OF CABINET ASSEMBLY A485...
  • Page 32: The Exploded View Of Control Panel & Dispenser Assembly

    10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY F430 A450...
  • Page 33: The Exploded View Of Drum & Tub Assembly

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K332 K333 K330...
  • Page 34 NOV. 2002 PRINTED IN KOREA P/No.:3828ER3013P...

This manual is also suitable for:

Wd-8018s seriesWd-1018n seriesWd-8018n series