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WASHING MACHINE
SERVICE MANUAL
CAUTION
!
READ THIS MANUAL CAREFULLY TO DIAGNOSE
PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT.
MODEL: WM2010CW
www.Appliantology.org
Website: http: //www.LGEservice.com
E-mail: http: //www.LGEservice.com/techsup.html
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Summary of Contents for LG WM2010CW

  • Page 1 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: WM2010CW www.Appliantology.org...
  • Page 2 APR. 2004 PRINTED IN KOREA P/No.:MFL30599115 www.Appliantology.org...
  • Page 3: 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.........................16 7-1. BEFORE PERFORMING SERVICE ...................16 7-2. QC TEST MODE.........................16 7-3.
  • Page 4: Specifications

    1. SPECIFICATIONS ITEM WM1812CW/WM1814CW WD-90286BD COLOR BLUE WHITE TITANIUM POWER SUPPLY AC 120 V, 60 Hz AC 127V, 60Hz PRODUCT WEIGHT 173 lbs. (78.5 kg) WASHING 280 W ELECTRIC POWER DRAIN MOTOR 80 W CONSUMTION – WASH HEATER WASH 46 rpm REVOLUTION SPEED SPIN 0-900 rpm...
  • Page 5: Features & Technical Explanation

    2. FEATURES & TECHNICAL EXPLANATION 2-1. FEATURES ■ Direct Drive System The advanced Brushless DC motor directly drives the drum without belt and pulley. ■ Tilted Drum and Large Door Opening Tilted drum and large opening make it possible to load and unload clothing more easily.
  • Page 6 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 7 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 8: Parts Identification

    3. PARTS IDENTIFICATION ACCESSORIES Tie strap (Option) Hot/Cold (1 each) Wrench to secure drain hose to standpipe, Hose inlet hose, or laundry tub Caps(4) Elbow Bracket Non-skid pads (for securing drain hose) (for covering shipping bolt holes) www.Appliantology.org...
  • Page 9: 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 10 ■ 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 11 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 Check the automatic Check the water supply.
  • Page 12: Operation

    5. OPERATION EST. TIME REMAINING BEEPER, DELAY WASH, EXTRA RINSE button • This display shows: • Use the Beeper button to turn the Beeper On/Off. a) the estimated time remaining • Delay Wash allows the start of any cycle to be delayed for 1~9 in the cycle when operation.
  • Page 13: Wiring Diagram/Program Chart

    6. WIRING DIAGRAM PROGRAM CHART Cool-down **Approx. (Minutes) * Wash time is in minutes. ** The total working time will vary with the load size, water temperature and ambient temperature. www.Appliantology.org...
  • Page 14: 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 15: 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 16 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 17: 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 18 SYMPTOM GUIDE FOR SERVICE CALL Door error Was the load too large? Visit to service. Drain trouble Visit to service. www.Appliantology.org...
  • Page 19 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 20: 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 21 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 22 If it still has severe vibration and noise, regulate a specific spin speed that generates excessive vibration and noise as follows: 1) Put an unbalance part (rubber) inside of the drum. 2) Start the QC test mode (Refer to section 7-2). 3) Press Delay Wash button, then ‘...
  • Page 23 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 24 SOFTENER/BLEACH DOES NOT FLOW IN Refer to Is water supplied? Prewash Bleach ^NO WATER SUPPLY_ Hot water Check the wiring on the Are the plugs correctly connected to the terminals of dispenser. the INLET VALVE ASSEMBLY? Main wash Put it in the correct Is softener/bleach put in the correct compartment of SOFTENER compartment.
  • Page 25 DRAIN MALFUNCTION Repair the DRAIN HOSE Is the drain hose twisted or frozen? ASSEMBLY. Is the impeller of the drain pump clogged? Remove foreign material. Reconnect or repair the Is the connector disconnected, disassembled? connector Replace the DRAIN Is the coil of the drain pump too high or low? (resistance of the coil is 10-20 Ω) PUMP ASSEMBLY.
  • Page 26 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 27: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Be sure to unplug the machine out of the outlet before disassembling and repairing the parts. CONTROL PANEL 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 28 ⑥ ⑥ Unscrew the 4 screws from the Control Panel Assembly. ⑦ ⑦ Disassemble the Main PWB Assembly. ⑧ ⑧ Unscrew the 5 screws from the Control Panel Assembly. ⑨ ⑨ Disassemble the Display PWB Assembly. www.Appliantology.org...
  • Page 29 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 30 CABINET COVER ① ① Unscrew the 3 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 31 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 32 DOOR ① ① Open the door. ② ② Unscrew the 2 screws from the Cabinet Cover. ③ ③ Disassemble the door upward. ※ ※ Be careful! The door is heavy. DOOR LOCK SWITCH ASSEMBLY ① ① Open the door and disassemble the CLAMP ASSEMBLY.
  • Page 33 THERMISTOR ① ① Disassemble the Back cover. ② ② Unscrew a screw from the Tub. ③ ③ Unplug the white connector from the thermistor. ④ ④ Pull it out by holding the bracket of the thermistor. CONNECTOR SENSOR ASSEMBLY(BALL SENSOR) ①...
  • Page 34 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 35: Exploded View

    10. EXPLODED VIEW 10-1. CABINET & CONTROL PANEL ASSEMBLY “The following parts are not illustrated" Description Loc No. Printed materials G010 *Non-Skid Pads F210 F215 A485 A450 F110 A105 A104 A102 A106 A103 A111 A110 A410 A150 A154 A140 A101 A141 A152 A153...
  • Page 36: Drum & Tub Assembly

    10-2.DRUM & TUB ASSEMBLY K143 K351 K350 K360 K123 F140 K610 K411 K410 K611 K115 F466 K110 K141 K111 K140 K117 F315 F310 F465 K142 F463 F464 K122 K125 K310 K530 K121 K510 K311 K130 K105 K131 K550 F467 K342 K340 K346 F145...
  • Page 37: Dispenser Assembly

    10-3. DISPENSER ASSEMBLY F323 F322 F462 F321 F300 F170 F160 F226 F225 F220 F430 F441 F120 F432 HOT (RED) A275 COLD (BLUE) A276 www.Appliantology.org...

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