LG WD-10120FD Service Manual

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WASHING MACHINE

SERVICE MANUAL

CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE
CORRECTLY BEFORE OFFERING SERVICE.
MODEL : WD-10120(5)FD
WD-10121(6)FD
WD-12120(5)FD
WD-12121(6)FD
WD-14120(5)FD
WD-14121(6)FD
WD-16120(5)FD
WD-16121(6)FD
website : http://www.LGEservice.com
e-mail : http://LGEservice.com/techsup.html
FWD-12120(5)FD
FWD-14120(5)FD
FWD-16120(5)FD
DWD-12120(5)FD
DWD-14120(5)FD
DWD-16120(5)FD
100

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  Summary of Contents for LG WD-10120FD

  • 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-10120(5)FD FWD-12120(5)FD WD-10121(6)FD FWD-14120(5)FD WD-12120(5)FD FWD-16120(5)FD WD-12121(6)FD DWD-12120(5)FD WD-14120(5)FD DWD-14120(5)FD WD-14121(6)FD DWD-16120(5)FD WD-16120(5)FD WD-16121(6)FD...
  • Page 2 MAR. 2003 PRINTED IN KOREA P/NO.:3828ER3018E...
  • Page 3: 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.QC TEST MODE........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.ERROR DISPLAY ........................14 8.
  • Page 4: Specification

    1. SPECIFICATION WD-10120(5)FD / WD-12120(5)FD / WD-14120(5)FD / WD-16120(5)FD WD-10121(6)FD / WD-12121(6)FD / WD-14121(6)FD / WD-16121(6)FD ITEM FWD-12120(5)FD / FWD-14120(5)FD / FWD-16120(5)FD DWD-12120(5)FD / DWD-14120(5)FD / DWD-16120(5)FD POWER SUPPLY 220-240V~, 50Hz PRODUCT WEIGHT 65kg WASHING 230W ELECTRICITY SPIN 440W CONSUMPTION DRAIN MOTOR WASH HEATER 2000W...
  • Page 5: Auto Restart

    2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES Jumbo drum " ’s jumbo drum can wash about 40% more load than conventional washing machine. A bigger drum improves the wash performance. More economical by Intelligent Wash System Intelligent Wash 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 rinsing time temperature LOGIC performance spin rhythm, time...
  • Page 7: Parts Identification

    3. PARTS IDENTIFICATION Power plug If the supply cord is damaged, it must be replaced by the manufacturer or it's service agents Drawer or a similarly qualified person in (For detergent and order to avoid a hazard. fabric softener) Control panel Drain hose Door Lower cover...
  • Page 8: 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 9 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 10: Test Operation

    TEST OPERATION Preparation for Press the power button. Press the Start/Pause washing. button. Connect the power plug to the outlet. In case of coloureds program. Connect the inlet hose. Check the water heating. Check automatic reverse Check the water supply. turn.
  • Page 11: Operation

    5. OPERATION...
  • Page 13: Wiring Diagram / Program Chart

    6. WIRING DIAGRAM PROGRAM CHART * ( ) WD-10120(5)FD / WD-12120(5)FD / FWD-12120(5)FD / DWD-12120(5)FD / WD-12121(6)FD PROGRAM CHART * Water Supply : WáS * Intermittent Spin : IáS * Disentangle : DáT Rinse Wash Spin Main Normal (Hold) Extra (Hold) Washing Staycooling Normal...
  • Page 14: Troubleshooting

    7. TROUBLESHOOTING 7-1.BEFORE PERFORMING SERVICE Be careful of electric shock or disconnecting the parts while troubleshooting. Voltage of each terminal in 220-240V~ and DC while applying an electric current. 7-2.QC TEST MODE. Pressing Rinse, and Spin button simultaneously. Power supply on with pressing upper two button.Then buzzer sound twice. Press the Start/Pause button as follows.
  • Page 15: 7-4.Error Display

    7-4.ERROR DISPLAY. If you press the Start/Pause button when an error in displayed, 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. In the case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error only will be blinked.
  • Page 16 ERROR SYMPTOM CAUSE • MAIN PWB ASSEMBLY is out of order Replace the MAIN PWB ASSEMBLY CURRENT • Winding in the STATOR ASSEMBLY is short-circuited. ERROR Replace the STATOR ASSEMBLY • The connector (3-pin, male, white) in the LEAD WIRE ASSEMBLY is not connected to the connector (3-pin, female, white) of LOCK STATOR ASSEMBLY.
  • Page 17: 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 18 SYMPTOM GUIDE FOR SERVICE CALL DOOR OPEN ERROR Did you press the Start/Pause button when Close the door the door is open? Visit to check Check if the door switch is O.K displayed? DRAIN TROUBLE Is the debris filter clogged with foreign Clean up material such as pins, coins, etc? the filter.
  • Page 19 SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is low-sudsing detergent for the drum 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 20: 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 MAIN PWB ASSEMBLY, put in the connectors correctly. NO POWER When measuring the voltage of the outlet, Check the fuse?
  • Page 21: No Water Supply

    NO WATER SUPPLY Is water supply shut-off? Is the tap opened? Open the tap. Check the AIR CHAMBER When you press both Rinse button and Spin button and the tube clogged simultaneously, is the water level frequency below 240? with impurity. Is the inlet valve filter clogged with impurity? Clean the filter.
  • Page 22: 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 terminals dispenser. of the INLET VALVE ASSEMBLY? Wiring diagram Is softener put in the correct compartment of the Put it in the correct compartment.
  • Page 23: Heating Without Water

    HEATING WITHOUT WATER When pressing Rinse and Spin at the same time after draining, is the water level frequency 252 or more? Replace the When pressing Rinse, Spin buttons at the same time S.PRESSURE SWITCH while wash, is the water level frequency between ASSEMBLY 230 - 243 ? MAIN PWB ASSEMBLY...
  • Page 24 WASH HEATER TROUBLE MAIN PWB ASSEMBLY When checking the voltage between Replace the MAIN PWB connectors ( ) during ASSEMBLY whites washing, Is the voltage 220 - 240V 220 - 240V~ YELLOW After power off,is the resistance of wire (RED-YELLOW) connectors between Normal After power off and the heater terminal is Replace the...
  • Page 25: Spin Trouble

    SPIN TROUBLE Check the S.PRESSURE SWITCH ASSEMBLY or HOSE (Pressure). Check on the spinning, is the frequency of the If the problem is on the water level 248 or more. The frequency can be S.PRESSURE SWITCH checked by pressing the Rinse and Spin buttons at ASSEMBLY or the HOSE, the same time on the program.
  • Page 26: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. CONTROL PANEL ASSEMBLY Unscrew 2 screws on the back of the top plate. TOP PLATE ASSEMBLY Pull the top plate backward and upward as shown. Disconnect the ASSEMBLY connector.
  • Page 27: Dispenser Assembly

    DISPENSER ASSEMBLY Disassemble the TOP PLATE ASSEMBLY. Pull out the drawer slightly upward. Unscrew 3 screws. DRAWER Disassemble hose clamps and hoses. Option Disassemble the ventilation bellows and the water inlet bellows from the tub. DISPENSER ASSEMBLY...
  • Page 28 INLET VA LVE ASSEMBLY Disconnect the wiring connector. 3 Option Unscrew 2 screws from the back. When reconnecting the connector Cold only model VALVE#1 (MAIN) Whited/Black-Black VALVE#2 (PRE) Gray/ White - Black Cold and Hot model VALVE #1 (MAIN) Whited/Black-Black VALVE #2 (PRE) Gray/ White - Black VALVE #3 (HOT)
  • Page 29: Door Assembly

    DOOR ASSEMBLY Open the door completely. Remove the two screws from the hinge. When removing the DOOR ASSEMBLY, it is necessary to hold the BRACKET that is inner of the CABINET COVER. GASKET Take apart the CLAMP ASSEMBLY (cabinet). Unscrew 2 screws from the CABINET COVER. Open the lower cover cap and unscrew 1 screw inside Take apart the LOWER COVER.
  • Page 30: 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 BODY FRAME. Note : Hook of connector (1) is on the backside (STATOR ASSEMBLY) Pull out the HINGE, pressing its snap.
  • Page 31: Heater Assembly

    DRAIN PUMP ASSEMBLY Remove PUMP HOSE. PUMP HOSE Remove BELLOWS.. Remove CAP (Remaining Hose.) Disconnect the wiring. Screw Unscrew 2 screws Remove the DRAIN PUMP ASSEMBLY. (Remaining Hose) BELLOWS HEATER ASSEMBLY Loosen the M6 heater nuts to pull out the HEATER ASSEMBLY.
  • Page 32 SWITCH ASSEMBLY, DOOR LOCK Take apart the CLAMP ASSEMBLY (cabinet) and release the GASKET. Unscrew 2 screws holding the DOOR SWITCH ASSEMBLY. Disconnect the door lock from the wiring connector. WHEN FOREIGN MATERIAL IS STUCK BETWEEN DRUM AND TUB Remove the HEATER ASSEMBLY. Remove the foreign material (wire, coin and others) by inserting a long bar through the hole.
  • Page 33: Exploded View And Part List

    10. EXPLODED VIEW AND PART LIST 10-1.THE PART LIST OF CABINET ASSEMBLY A153 A154 A110 A152 A151 A140 A101 A150 A141 A131 A100 A102 A130 A104 A103 A440 A430 A485 A134 A450 A133 A410 A200 A300 A303 A310 A201 A220 A277 A273 A274...
  • Page 34: The Exploded View Of Control Panel And Dispenser Assembly

    10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY F170 F160 F324 F462 F300 F432 F436 F225 F430 F431 F441 F220 F440 F435 F120 F215 F130 F110 F210...
  • Page 35: The Exploded View Of Drum And Tub Assembly

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY K124 K350 K126 K360 K143 F140 K123 K411 K420 K351 K122 F320 K121 K125 F466 K320 F464 K111 K110 F310 K141 K310 K140 K311 K105 K115 K410 K610 K510 K611 K530 K130 K342 K131...