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LG WD-3274RHD Service Manual

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MODEL : WD-3274RHD / WD-3276RHD
Website: [For U.S.A] [For CANADA]



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  Summary of Contents for LG WD-3274RHD

  • Page 1: Washing Machine

  • 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.QC TEST MODE........................13 7-3.HOW TO KNOW THE WATER LEVEL FREQUENCY............13 7-4.ERROR DISPLAY ........................14 8.
  • Page 3: Specification

  • Page 4: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1.FEATURES Automatic process from washing to drying. Automatic process from washing to drying can be selected easily. Washing capacity : 15 lbs. ¡c7.0 kg¡d Drying capacity : 8 lbs. ¡c4.0 kg¡d 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...
  • 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 rinsing time LOGIC temperature performance spin rhythm, time...
  • Page 6: Parts Identification

    3. PARTS IDENTIFICATION Power plug If the supply cord is damaged, it must be replaced by the manufacturer or its 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 7: Installation

    4. INSTALLATION Before servicing ask trouble the customer, what the trouble is. Check the adjustment (power supply is 120V~ 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. START/PAUSE POWER Connect the power plug to In case of Coloureds program. the outlet. Connect the inlet hose. Check the water heating. Check automatic reverse Check the water supply. turn.
  • Page 10: Operation

    5. OPERATION Option Rinse hold If you desire to leave fabrics in the machine without spinning after rinse to Extra Wash prevent them wrinkling, you may select rinse hold by pressing the spin • If the laundry is heavily soiled, button.
  • Page 11: Led Display

    LED display Wash & Wash/Dry program selector It displays the remaining time (Hour : Minute ) to 9 programs can be set depending on the type of the finish. laundry. In case of abnormal operation, error indications are By turning the program dial, Cotton Perm.Press displayed.
  • Page 12: Wiring Diagram / Program Chart

    6. WIRING DIAGRAM PROGRAM CHART *( ) : Wash/Dry PRGRAM CHART (KGD2-PJT) Washing Rinse CYCLE Spin Normal Rinse+ Main washing Normal working Time 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 TIME (min) 60 (min)
  • 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 120V~ and DC while applying an electric current. 7-2.QC TEST MODE. Á Pressing SPIN, and TEMP. button simultaneously. ¤...
  • Page 14: 7-4.Error Display

    7-5.ERROR DISPLAY. If you press the START/PAUSE button when an error is 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., the in case of other errors, if the error is not resolved within 4 min., power will be turned off automatically and the error code will blink.
  • Page 15 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 • is dispplayed during a high spin Replace the LEAD WIRE ASSEMBLY (MOTOR) MOTOR •...
  • Page 16: Error Diagnosis And Check List

    8. ERROR DIAGNOSIS AND CHECK LIST SYMPTOM GUIDE FOR SERVICE CALL No Power Is the power plug connected firmly to 120V~ outlet? Power failure? or Breaker opened? Is the outlet contralled by a switch? Visit to check Water inlet trouble displayed? Is the tap opened? Is the tap frozen?
  • Page 17 SYMPTOM GUIDE FOR SERVICE CALL Did you press the START/PAUSE button when the door is open? Close the door Visit to check Check if the door switch is O K. displayed? Is the debris filter clogged with foreign Clean up material such as pins, coins, etc? the filter.
  • Page 18 SYMPTOM GUIDE FOR SERVICE CALL Is low-sudsing detergent for the drum Suds overflow from the washing machine used? appliance. (In this condition, wash and spin do not operate normally) LOW-SUDSING Is the proper amount of detergent used as recommended? Recommend to reduce the amount of detergent.
  • Page 19: Fault Diagnosis And Troubleshooting

    8-2.FAULT DIAGNOSIS AND TROUBLE SHOOTING CAUTION 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 ASSEMBLY, Put in the connectors correctly. NO POWER When measuring the voltage of the outlet, Check the fuse?
  • Page 20: 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 and the tube clogged button simultaneously, is the water level frequency below 240? with impurity. Is the inlet valve filter clogged with impurity? Clean the filter.
  • Page 21: Softener Does Not Flow In

    SOFTENER DOES NOT FLOW IN Refer to Is water supplied? NO WATER SUPPLY Are receptacles correctly connected to the terminals Check the wiring on the of the INLET VALVE ASSEMBLY? dispenser. Put it in the correct Is softener put in the correct compartment of the compartment.
  • Page 22: Heating Without Water

    HEATING WITHOUT WATER When pressing OPTION and SPIN at the same time after draining, is the water level frequency 248 ~ 262 or Replace the more? S.PRESSURE SWITCH When pressing SPIN, DRY buttons at the same time ASSEMBLY while wash, is the water level frequency between 230 - 243 ? Checking voltage between two pins as press the Replace the MAIN PWB...
  • Page 23 WASH HEATER TROUBLE HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE When checking THERMISTOR on the tub is the Push the THERMISTOR THERMISTOR loosened above 2mm from tightly to the rubber. the rubber?
  • Page 24: 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 OPTION and SPIN buttons ASSEMBLY or the HOSE, at the same time on the program.
  • Page 25 [dHE] ERROR DISPLAY Dry duct Condensing duct Thermistor CHECK FOR DRY HEATER TROUBLE Condensing bellows CHECK FOR DRY FAN MOTOR TROUBLE Disassemble the cabinet cover and condensing bellows. Clean the bellows Is there any foreign object in condensing bellows. Disassemble the dry fan assy and dry duct upper, and clean foreign object in duct and fan.
  • Page 26 DRY HEATER TROUBLE Replace the dry heater. Replace the thermostat. Is thermostat closed? When checking voltage between connectors Replace the PWB assy ( 1 , 2 ) on drying, is the voltage (Main) AC 120V as the figure? (Wire color : - Red, - Blue)
  • Page 27 DRY FAN MOTOR TROUBLE Is it disconnected, or disassembled? Reconnect or ¡[(1) - Nature , 3pin (2) - Red 6pin¡\ repair connector. When checking voltage between connectors ¡[(1)~ (2), (2) ~ (3)¡\ on drying, is the Replace the voltage DC 9~15V as the figure? PWB ASSEMBLY(Main) ¡[Wire color : (1) - White, (2) - Blue (3) - Black¡\...
  • Page 28 LOT OF VAPOR IN DRAWER WHEN DRYING Isn’t the water supply shut-off? Is tap opened? Open the tap. Isn’t the inlet valve filter clogged with impurity? YES Clean the filter. Replace the inlet valve. (5220FR2075C) Check if the voltage of each terminal of Inlet Valve is AC 120V.
  • Page 29: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS ƒR Disassemble and repair the parts after pulling out power cord from the outlet. CONTROL PANEL PLATE ASSY (TOP) ¥LUnscrew the 2 screws on the top plate. ¥M The PLATE ASSEMBLY (Top) is pulled back and then upward to arrow direction. ¥NThe cover (Inner) is disassembled.
  • Page 30 PWB ASSEMBLY (POWER) ¥LThe back cover is removed. ¥MTwo screws are unscrewed. ¥NDisconnect connector from the wiring. ¥OPull the PWB ASSEMBLY (Main) to arrow direction. DISPENSER ASSEMBLY ¥LThe PLATE ASSEMBLY (Top) and the cover (lnner) are disassembled. ¥MPull the drawer to arrow direction. ¥NTwo screws are unscrewed.
  • Page 31 INLET VALVE ¥LDisconnect the wiring connector. ¥M Remove the valve by two screws of the valve holder. ƒT When reconnecting the connector VALVE ¥L(DRY) YL/BK - BK VALVE ¥M(LIQUID BLEACH) GY/WH - BK VALVE ¥N (NORMAL-WASH) WH/BK - BK VALVE (HOT) BL/RD - BK COVER LOWER ¥L Remove the lower cover to arrow direction...
  • Page 32 DOOR ¥LOpen the door completely. ¥MRemove the two screws from the hinge. Removing method of remained water ¥LRotate the Cap(Remaining Hose) to arrow direction. ¥MPull it out from hose. ¡ First, prepare a bucket to put in the remained Cap(Remaining Hose) water.
  • Page 33 GASKET ASSEMBLY ¥LThe cabinet gasket clamp is released. ¥M Two screws are unscrewed from the cabinet cover. ¥LOne screw is unscrewed from the lower cover. ¥M The lower cover is disassembled by pulling out. ¥NThree screws are unscrewed from the cabinet. (Remaining Hose) ¥LThe control panel is removed.
  • Page 34 ¥L Remove tub gasket clamp by loosening the screw. Tub Gasket Clamp ¥L Remove dry gasket clamp by loosening the screw. Gasket Clamp ¥L When reassembling the gasket, put the drain hole of the gasket downward, then assemble. Drain Hole...
  • Page 35 PULLEY, MOTOR, DAMPER ¥LRemove the back cover. ¥M After loosening the bolt, Rotor, pull out the rotor. Rotor Bolt (PULLEY) ¥LRemove the 6 bolt from the stator. ¥MDisconnect the 2 connectors. HOW TO ASSEMBLE THE MOTOR (MOTOR) ¥LRemove the bolts at the Tub. ¥M The Hinge (Damper) at the base is pulled off Bolt Hinge...
  • Page 36 PUMP ¥LRemove pump outlet hose. Pump Outlet Hose ¥MRemove tub pump bellows. ¥NRemove cap (Remaining Hose). Screw ¥ODisconnect the wiring. ¥PThree screws are unscrewed from the cabinet. ¥QRemove the pump to arrow direction. (Remaining Hose) Tub Pump Bellows HEATER ¥LLoosen the nut. ¥MRemove washing heater by pulling out.
  • Page 37 DOOR HINGE ASSEMBLY ¥LTwo screws are unscrewed on the door and the door is disassembled. ¥MThe cabinet cover clamp is removed and the gasket is released. ¥NTwo screws are unscrewed on the door hinge. ¥OThe door hinge is disassembled by pushing the door hinge arm inside the cabinet cover.
  • Page 38 DRY DUCT ¥LRemove 5 screws and dry fan assembly. Dry fan ¥MRemove 6 screws and dry duct upper. Assembly Dry Duct Upper ¥LRemove 1 screw and dry heater. Thermostat ¥MRemove thermostat. Dry Heater CONDENSING DUCT ¥LRemove 2 screws from cabinet. ¥LRemove clamp and condensing duct.
  • Page 39: Exploded View And Parts List

    10. EXPLODED VIEW AND PART LIST 10-1.THE PART LIST OF CABINET ASSEMBLY :Non-service part :Service part A110 A150 A120 A101 A102 A104 A141 A103 A131 A100 A130 A140 A430 A440 A485 A-22 A450 A133 A410 A300 A303 A310 A200 A277 A201 HOT(ORANGE) A275...
  • Page 40: The Exploded View Of Control Panel And Dispenser Assembly

    10-2 THE EXPLODED VIEW OF CONTROL PANEL & DISPENSER ASSEMBLY :Non-service part F170 :Service part F160 F300 F460 F461 F310 F430 F450 F220 F120 F110 F210 F130...
  • Page 41: The Exploded View Of Drum And Tub Assembly

    10-3 THE EXPLODED VIEW OF DRUM & TUB ASSEMBLY :Non-service part :Service part K140 K141 K110 K142 K411 K420 K123 K360 K122 K211 K130 K143 K131 K350 K121 K513 K125 F140 K115 K310 K511 K510 K610 K105 K611 K410 K320 K530 K343 K341...
  • Page 42: The Exploded View Of Dryer

    10-4 THE EXPLODED VIEW OF DRYER :Non-service part :Service part M120 M110 M100 M121 M210 M101 M220 M312 M310 M230 M311...
  • Page 43 AUG. 2002 PRINTED IN KOREA P/No.:3828ER3013M...

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