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LG WM2688H MA Series Service Manual
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LG WM2688H MA Series Service Manual

LG WM2688H MA Series Service Manual

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LG WM2487HWMA
Owner's Manual
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  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. LG WM2487HWMA Owner's Manual Shop genuine replacement parts for LG WM2487HWMA Find Your LG Washer Parts - Select From 393 Models -------- Manual continues below --------...
  • Page 2 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. WM2688H*MA MODEL : WM2487H*MA...
  • Page 3 SEP. 2007 PRINTED IN KOREA P/No.:MFL30599112...

  • Page 4: Table Of Contents

    CONTENTS 1. SPECIFICATIONS .........................3 2. FEATURES & TECHNICAL EXPLANATION ................4 3. PARTS IDENTIFICATION ......................7 4. INSTALLATION & TEST ....................... 8 5. OPERATION ..........................11 6. WIRING DIAGRAM/PROGRAM CHART ..................14 7. TROUBLESHOOTING.........................15 7-1. BEFORE PERFORMING SERVICE ...................15 7-2. QC TEST MODE.........................15 7-3.

  • Page 5: Specifications

    1. SPECIFICATIONS ITEM WM2688H*M COLOR W:BLUE WHITE, N:NAVY BLUE POWER SUPPLY AC 120 V, 60 Hz PRODUCT WEIGHT 192 lbs (87kg) WASHING 280 W ELECTRIC POWER DRAIN MOTOR 80 W CONSUMTION WASH HEATER 1000 W WASH 46 rpm REVOLUTION SPEED SPIN 0-1320 rpm CYCLES...

  • Page 6: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1. FEATURES ■ Ultra Capacity The Larger drum enables not just higher head drop and stronger centrifugal force, but 추가선택, 예약, also less tangling and wrinkling of the laundry. Heavier loads, such as king size comforters, blankets, and curtains, can be washed.
  • Page 7 2-2. NEURO FUZZY 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 NEURO- washing washing rinsing time temperature FUZZY...
  • Page 8 2-5. THE DOOR CAN NOT BE OPENED ● While program is operating ● When a power failed and power plug is taken out in operation ● While Door Lock lights turn on. ● White the motor is in the process of intertial rotating, through the operation is paused. 2-6.

  • Page 9: Parts Identification

    3. PARTS IDENTIFICATION & Steam Nozzle Drum Light Door Seal Safety Cover (PLC Modem) Included Accessories Wrench Caps (4) Tie Strap (for removing Elbow Bracket Hot and Cold (for covering (for securing shipping bolts and (for securing Water Hoses shipping bolt holes) drain hose) adjusting leveling feet) drain hose)

  • Page 10: Installation & Test

    4. INSTALLATION & TEST 1⃞ Before servicing, ask the customer what the trouble is. 2⃞ Check the setup (power supply is 120 V AC, remove the transit bolts..). 3⃞ Check with the troubleshooting guide. 4⃞ Plan your service method by referring to the disassembly instructions. 5⃞...
  • Page 11 ■ HOW TO CONNECT THE INLET HOSE Verify that the rubber washer is inside of the valve connector. Tighten the inlet hose securely to prevent leaks. ■ CONNECT THE DRAIN HOSE · Make sure that the hose is not twisted. ·...
  • Page 12 TEST OPERATION Preparation for Press the POWER button. Press the Start/Pause washing. button. Connect the power plug to Listen for a click to determine if the outlet. the door has locked. Connect the inlet hoses. Check the water heating Check the automatic Check the water supply.

  • Page 13: Operation

    5. OPERATION I WM2688H*MA...
  • Page 14 Power Button Status Indicator • It shows elapsed time of the cycle the washer is • Use this button to turn the power operating. On/Off. Start/Pause Cycle Selector Knob • Rotate the Cycle selector knob to select the cycle designed for •...
  • Page 15 Option Button • PREWASH: Use this option for loads that need pretreatment. It adds 16 minutes prewash and a spin cycle. • RINSE+SPIN: Use this option to rinse and then spin. • EXTRA RINSE: This option provides an additional rinse. •...

  • Page 16: Wiring Diagram/Program Chart

    6. WIRING DIAGRAM PROGRAM CHART DISPLAY PWB DISPLAY PWB 2 3 4 5 6 7 8 2 3 4 5 6 7 8 2 3 4 5 6 7 8 2 3 4 2 3 4 5 6 7 8 2 3 4 2 3 4 5 6 7 8...

  • Page 17: Troubleshooting

    7. TROUBLESHOOTING 7-1. BEFORE PERFORMING SERVICE ■ Be careful of electric shock when disconnecting parts while troubleshooting. ■ The voltage of each terminal is 120 V 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. 1.

  • Page 18: Error Display

    7-4. ERROR DISPLAY If you press the START/PAUSE button when an error is displayed, any error except d e will disappear and the machine will go into the pause status. In case of d e , d e , d e 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 19 ERROR SYMPTOM CAUSE • The connector (3-pin, male, white) in the MOTOR HARNESS is not connected to the connector (3-pin, female, white) of STATOR ASSEMBLY. • The electric contact between the connectors LOCKED (3-pin, male, white) in the MOTOR HARNESS and 4-pin, female, white connector in the MAIN PWB MOTOR ASSEMBLY is bad or unstable.

  • Page 20: 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 120 V AC outlet? Power failure? or Breaker opened? Is the outlet controlled by a switch? Visit to service.
  • Page 21 SYMPTOM GUIDE FOR SERVICE CALL Door error Was the load too large? Visit to service. Drain trouble Visit to service.
  • Page 22 SYMPTOM GUIDE FOR SERVICE CALL Suds overflow from the Is a HE (High Efficiency) detergent used? appliance. (In this condition, wash and spin do not operate normally) Is the proper amount of detergent used as recommended? Recommend to reduce the amount of detergent.

  • Page 23: 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 120 V AC?
  • Page 24 VIBRATION & NOISE IN SPIN Have all the transit bolts and base packing Remove the transit bolts been removed? and Base packing. Is the washer installed on a solidly constructed Move the washer or floor? reinforce the floor. Check if the washer is perfectly level as follows: Base Packing Level Check the leveling of the washer with a Level...
  • Page 25 NO WATER SUPPLY Is water supply shut-off? Is the tap opened? Open the tap. When you press both WASH/RINSE 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 26 LIQUID DETERGENT/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 Bleach dispenser. the INLET VALVE ASSEMBLY? Steam Put it in the correct Is liquid detergent/softener/bleach put in the correct SOFTENER compartment.
  • Page 27 HEATING WITHOUT WATER When pressing WASH/RINSE and SOIL LEVEL at the same time after draining, is the water level frequency Replace the 255? SENSOR SWITCH When pressing WASH/RINSE and SOIL LEVEL ASSEMBLY. buttons at the same time while washing, is the water level frequency between 230 - 243 ? Replace the MAIN PWB Check the voltage between two pins while pressing...
  • Page 28 WASH HEATER TROUBLE Replace the Heater Assembly HEATING CONTINUOUSLY ABOVE THE SETTING WATER TEMPERATURE SOIL LEVEL at the same time Extra Hot: 70 °C Water Temperature [°C] When checking the THERMISTOR on the tub, Push the THERMISTOR is the THERMISTOR loose? tightly to the rubber.
  • Page 29 WILL NOT CIRCULATE WATER Is the impeller of the drain pump clogged? Remove foreign material. Hose Connector (Water circulation Hose & Steam Nozzle) Remove foreign material. Are the Hose Connector and/or Hose clogged? Reconnect or repair Is the connector disconnected, disassembled? the connector.
  • Page 30 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 31: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. CONTROL PANEL ASSEMBLY TOP PLATE ASSEMBLY ① ① Unscrew 2 screws on the back of the top plate. ② ② Pull the top plate backward and upward as shown. ③...
  • Page 32 MAIN PWB ASSEMBLY ① ① Disconnect the POWER connector and SENSOR SWITCH ASSEMBLY. ② ② Remove the Protect Cover. PROTECT COVER ③ ③ Disconnect the connectors. ④ ④ Unscrew 1 screw on the back. ⑤ ⑤ Disassemble the Main PWB.
  • Page 33 DISPENSER ASSEMBLY ① ① Disassemble the top plate assembly. ② ② Pull out the drawer. ③ ③ Push out the DISPENSER ASSEMBLY after unscrew 2 screws. ④ ④ Unscrew the nut at the lower part of the dispenser. ⑤ ⑤ Disassemble the 4 connectors from the valves. ※...
  • Page 34 CABINET COVER ① ① Unscrew the 5 screws from upper of the canbinet cover. ② ② Unscrew the screw from filter cover. ③ ③ Put a flat ( - ) screwdriver or putty knife into the both sides of the filter cover, and pull it out. ④...
  • Page 35 ⑤ ⑤ Open the door. ⑥ ⑥ Disassemble the clamp assembly. ⑦ ⑦ Tilt the cabinet cover. ⑧ ⑧ Disconnect the door switch connector. ※ ※ NOTE: When assembling the CABINET COVER, connect the connector. ⑨ ⑨ Lift and separate the cabinet cover. ⑩...
  • Page 36 DOOR ① ① Open the door. ② ② Unscrew the 7 screws from the HINGE COVER. ③ ③ Put a flat ( - ) screwdriver into the openng of the hinge, and pull out the hinge cover. ④ ④ Unscrew a screw from the lower side of door. ⑤...
  • Page 37 PUMP ① ① Disassemble the cabinet cover. ② ② Separate the pump hose, the bellows and the circulation hose assembly from the pump assembly. ③ ③ Disassemble the pump assembly in arrow direction. HEATER ① ① Disassemble the cabinet cover. ②...
  • Page 38 WHEN FOREIGN OBJECT IS STUCK BETWEEN DRUM AND TUB ① ① Disassemble the cabinet cover. ② ② Separate the heater from the tub. ③ ③ Remove any foreign objects (wire, coin, etc.) by inserting a long bar in the opening. LAMP ASSEMBLY TOP PLATE ASSEMBLY ①...
  • Page 39 MOTOR/DAMPER ① ① Disassemble the back cover. ② ② Remove the bolt. ③ ③ Pull out the Rotor. ① ① Unscrew the 2 screws from the tub bracket. ② ② Remove the 6 bolts on the stator. ③ ③ Unplug the 2 connectors from the stator. ①...
  • Page 40 Checking the TSG (TURBO STEAM GENERATOR) ① ① To check out the fault diagnosis of TSG, in case of removing the water inside, you can pull out the plug and let the water drain away. ② ② Be cautious in case of the TSG is hot temperature.
  • Page 41 ③ ③ Taking out the screws of Body Frame (2EA) ④ ④ Separate the hoses from the TSG. ⑤ ⑤ Remove the Body Frame and then, separate the TSG from the washer...

  • Page 42: Exploded View

    10. EXPLODED VIEW 10-1. CABINET & CONTROL PANEL ASSEMBLY M400 M410 F215 A485 F210 F110 A455 A450 A104 A105 A106 A102 A111 A110 A410 A103 A150 A154 A152 A101 A141 A390 A151 A153 A100 A131 A130 A430 A140 A133...

  • Page 43: Drum & Tub Assembly

    10-2. DRUM & TUB ASSEMBLY K351 K350 K360 K143 K123 F140 K610 K411 K410 K611 K115 F466 K110 K141 K111 K140 F315 K572 F310 K571 F465 F463 K570 K513 K122 F464 K125 K130 K320 K530 K121 K510 K512 K105 K560 K135 K131 F328...

  • Page 44: Dispenser Assembly

    10-3. DISPENSER ASSEMBLY F323 F322 F462 F321 F300 F170 F160 F227 F226 F327 F225 F436 F430 F220 F431 F441 F440 F435 F120 HOT (RED) A275 F130 COLD (BLUE) A276 F432...

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