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LG WM2411HW Service Manual

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WASHING MACHINE

SERVICE MANUAL

CAUTION
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL : WM2411HW / WM2011 HS
WM2011HW / WM1811CW
WM2432HW / WM2032 HS
WM2032HW / WM1832CW
Website:http://www.LGEservice.com
E-mail:http://www.LGEservice.com/techsup.html
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  Summary of Contents for LG WM2411HW

  • Page 1: Washing Machine

    Website:http://www.LGEservice.com E-mail:http://www.LGEservice.com/techsup.html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT. MODEL : WM2411HW / WM2011 HS WM2011HW / WM1811CW WM2432HW / WM2032 HS WM2032HW / WM1832CW...
  • Page 2: 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 ...................13 7. TROUBLESHOOTING.........................15 7-1. BEFORE PERFORMING SERVICE ...................15 7-2. QC TEST MODE.........................15 7-3.
  • Page 3: Specifications

    1. SPECIFICATIONS WM2411HW WM2011HS / WM2011HW WM1811CW ITEM WM2432HW WM2032HS / WM2032HW WM1832CW POWER SUPPLY 120V ~ 60Hz PRODUCT WEIGHT 190 lbs. (86 kg) WASHING 280W 235W ELECTRIC POWER DRAIN MOTOR CONSUMPTION WASH HEATER 1000W WASH 42 rpm REVOLUTION SPEED...
  • Page 4: Features & Technical Explanation

    Tilted Drum and Extra Large Door Opening The tilted drum and extra large door opening make it possible to load and unload easily. (WM2411HW, WM2011HS, WM2011HW, Water Circulation WM2432HW, WM2032HS, WM2032HW) Spray detergent solution and water onto the load repeatedly.
  • Page 5: Water Level Control

    2-2.FUZZY LOGIC WASHING TIME OPTIMIZATION To get the best washing performance, optimal time is determined by the water temperature, the selected washing temperature, and the size of the load. water temperature washing time the best selected FUZZY washing washing rinsing time LOGIC temperature performance...
  • Page 6: Parts Identification

    3. PARTS IDENTIFICATION • If the supply cord is damaged, it must be replaced by the manufacturer or its authorized service technician in order to avoid a hazard. ACCESSORIES...
  • Page 7: Installation

    4. INSTALLATION Before servicing, ask the customer what the trouble is. Check the setup (power supply is 120V AC, remove the transit bolts..). Check with the troubleshooting guide. Plan your service method by referring to the disassembly instructions. Service the unit. After servicing, operate the appliance to see whether it functions correctly.
  • Page 8 HOW TO CONNECT THE INLET HOSE Verify that the rubber washer is inside of the valve connector. Connect the inlet hose firmly to prevent leaks. CONNECT THE DRAIN HOSE Make sure that the hose is not twisted. Avoid submerging the end of the hose. The end of the drain hose should be placed less than 96”...
  • Page 9: Test Operation

    TEST OPERATION Preparation for Press the POWER button. Press the Start/Pause washing. button. Connect the power plug to Listen for clicking sounds to the outlet. determine if the door has Connect the inlet hose. locked. Check the water heating Check the automatic Check the water supply.
  • Page 10: Operation

    5. OPERATION • Use this button to turn the power • Lights whenever the door is locked. • Choose High / Low / On / Off. • The door can be unlocked by pressing the Start / Pause button to stop the washer.
  • Page 11 w / Off. • These lights show elapsed time of the • This display shows : selected cycle. a) the estimated time remaining in the cycle when operating. b) an error code when an error has been detected. • Use this button to Start / Stop the washer.
  • Page 12 WM2411HW WM2011HS / WM2011HW WM1811CW WM2432HW WM2032HS / WM2032HW WM1832CW...
  • Page 13: Wiring Diagram / Program Chart

    6. WIRING DIAGRAM PROGRAM CHART WM2411HW / WM2011HS / WM2011HW / WM2432HW / WM2032HS / WM2032HW WM1811CW / WM1832CW...
  • Page 15: Troubleshooting

    7. TROUBLESHOOTING 7-1. BEFORE PERFORMING SERVICE Be careful of electric shock when disconnecting parts for while troubleshooting. The voltage of each terminal is 120V AC and DC when the unit is plugged in. 7-2. QC TEST MODE. The washer must be empty and the controls must be in the off state. Á...
  • Page 16: Error Display

    7-4. ERROR DISPLAY If you press the START/PAUSE button when an error is displayed, any error except will disappear and the machine will go into the pause status. In case of if the error is not resolved within 20 sec., or 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 17 ERROR SYMPTOM CAUSE OVER • MAIN PWB ASSEMBLY is out of order. CURRENT • Winding in the STATOR ASSEMBLY is short-circuited. ERROR • The connector (3-pin, male, white) in the MOTOR HARNESS is not connected to the connector (3-pin, female, white) of STATOR ASSEMBLY. •...
  • Page 18: Error Diagnosis And Check List

    8. ERROR DIAGNOSIS AND CHECK LIST 8-1.DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION SYMPTOM GUIDE FOR SERVICE CALL No power Is the power plug connected firmly to 120V AC outlet? Power failure? or Breaker opened? Is the outlet controlled by a switch? Visit to service.
  • Page 19 SYMPTOM GUIDE FOR SERVICE CALL Door error Was the load too large? Visit to service. Drain trouble Visit to service.
  • Page 20 SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is a low-sudsing detergent 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 21: Fault Diagnosis And Troubleshooting

    8-2.FAULT DIAGNOSIS AND TROUBLESHOOTING CAUTION 1. Be careful of electric shock if disconnecting parts while troubleshooting. 2. First of all, check the connection of each electrical terminal with the wiring diagram. 3. If you replace the MAIN PWB ASSEMBLY, reinsert the connectors correctly. NO POWER Check the fuse or reset Is the supplied voltage 120V AC?
  • Page 22: No Water Supply

    NO WATER SUPPLY Is water supply shut-off? Is the tap opened? Open the tap. When you press both SPIN SPEED button and Check the AIR CHAMBER SOIL LEVEL button simultaneously, is the water and the tube (clogged). level frequency below 246? Is the inlet valve filter clogged? Clean the filter.
  • Page 23: Abnormal Sound

    SOFTENER / BLEACH DOES NOT FLOW IN Refer to Is water supplied? NO WATER SUPPLY Check the wiring on the Are the plugs correctly connected to the terminals of dispenser. the INLET VALVE ASSEMBLY? Put it in the correct Is softener / bleach put in the correct compartment of compartment.
  • Page 24: Heating Without Water

    HEATING WITHOUT WATER When pressing SPIN SPEED and SOIL LEVEL at the same time after draining, is the water level frequency Replace the 255? SENSOR SWITCH When pressing SPIN SPEED and SOIL LEVEL buttons ASSEMBLY. at the same time while wash, is the water level frequency between 230 - 243 ? Replace the MAIN PWB Check the voltage between two pins while pressing...
  • Page 25 WASH HEATER TROUBLE HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE Push the THERMISTOR When checking the THERMISTOR on the tub, tightly to the rubber. is the THERMISTOR loose?
  • Page 26: Will Not Circulate Water

    WILL NOT CIRCULATE WATER Is the impeller of the drain pump clogged? Remove foreign material. Hose Connector Hose (White) Remove foreign material. Are the Hose Connector and/or Hose clogged? Reconnect or repair Is the connector disconnected, disassembled? the connector. Connector Connector Is the coil of the right side of drain pump open Replace PUMP MOTOR...
  • Page 27: Spin Trouble

    SPIN TROUBLE Check the SENSOR SWITCH ASSEMBLY or HOSE (Pressure). Check during spin if the frequency of the water If the problem is on the SENSOR level is 248 or more. SWITCH ASSEMBLY or the HOSE, replace the SENSOR SWITCH ASSEMBLY or the HOSE.
  • Page 28: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS ƒR Disassemble and repair the unit only after pulling out power plug from the outlet. Unscrew 7 screws on the Rear Frame. Disassemble the Rear Frame. Pull the Control panel forward. Disconnect connectors. Unscrew 5 screws. Disassemble the controller assembly. Open the Lid.
  • Page 29 Disassemble the 5 hose clamps. Release the 5 hoses. Unscrew the nut at the lower part of the dispenser. Unscrew the 4 screws on the holder. Disassemble the 5 connectors from the valves. ¡ Wire color : ¥L WH-BK ¥M OR-BK ¥N WH-BK ¥O GY-BK ¥P BL-BK Unscrew the screw from the top plate.
  • Page 30 Unscrew the 2 screws from upper side of the cabinet cover. Unscrew the screw from filter cover. Put a flat (–) screwdriver into the both sides of the filter cover, and pull it out. Unscrew the 2 screws from the lower side of the cabinet cover.
  • Page 31 Open the door. Disassemble the clamp assembly using a flat (–) screwdriver. Separate the clamp assembly from cabinet cover. Clamp Assembly Tilt the cabinet cover. Disconnect the door switch connector. Lift and separate the cabinet cover. Disassemble the clamp assembly using a flat (–) screwdriver.
  • Page 32 Open the door. Unscrew the 7 screws from the hinge cover. Put a flat (–) screwdriver into the opening of the hinge, and pull out the hinge cover. Unscrew the screws from the door. Disassemble the door upward / downward. ¡...
  • Page 33 Disassemble the cabinet cover. Separate the pump hose, the bellows and the circulation hose assembly from the pump assembly. Disassemble the pump assembly in arrow direction. Disassemble the cabinet cover. Separate 2 connectors from the heater. Loose the nut and pull out the heater. ¡...
  • Page 34 Disassemble the cabinet cover. Separate the heater from the tub. Remove any foreign objects (wire, coin, etc.) by inserting a long bar in the opening. Unscrew the 4 screws from the back cover. Unscrew the single screw from the lower-right side of the cabinet.
  • Page 35 Disassemble the back cover. Loosen the bolt. Pull out the Rotor. Unscrew the 2 screws from the tub bracket. Loosen the 6 bolts on the stator. Unplug the 2 connectors from the stator. Disassemble the damper hinges from the tub and base.
  • Page 36: Exploded View

    10. EXPLODED VIEW 10-1. CABINET & CONTROL PANEL ASSEMBLY A125 A160 A105 F215 A490 A495 A303...
  • Page 37: Drum & Tub Assembly

    10-2. DRUM & TUB ASSEMBLY K123 K115 K111 F463 K122 F464 K125 K121 K101 F315 K343 F463 K340 K344 K345 F141 K105...
  • Page 38: Dispenser Assembly

    10-3. DISPENSER ASSEMBLY F301 F302 F170 F160 F300 HOT (BLUE) A275 COLD (RED) A276 F436 F431 F120 F430 F440 F435 F432...
  • Page 48 DEC. 2002 PRINTED IN KOREA P/No.:3828ER3013T...