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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...
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APR. 2004 PRINTED IN KOREA P/No.:MFL30599115 www.Appliantology.org...
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...
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.
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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...
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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.
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...
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■ 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. ·...
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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.
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.
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...
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.
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.
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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. •...
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.
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SYMPTOM GUIDE FOR SERVICE CALL Door error Was the load too large? Visit to service. Drain trouble Visit to service. www.Appliantology.org...
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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.
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?
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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...
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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 ‘...
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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.
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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.
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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.
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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.
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...
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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...
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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. ※...
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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...
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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...
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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.
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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...
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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...
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