LG WM0642HW Service Manual and Repair Guide

100 WASHING MACHINE SERVICE MANUAL READ THIS MANUAL CAREFULLY TO DIAGNOSE PROBLEMS CORRECTLY BEFORE SERVICING THE UNIT. MODEL : WM2411HW/WM2011H*/WM1811CW WM2432HW/WM2032H*/WM1832CW WM0532HW/WD-10210BD/WD-12210(5)BD WM2444H*M/WM2442H*/WM2042CW WM0642H* CAUTION Website:http://www.LGEservice.com E-mail:http://www.LGEservice.com/techsup.html !

101 DEC. 2002 PRINTED IN KOREA P/No.:3828ER3013T

2 CONTENTS 1. SPECIFICATIONS .........................................................................................................................3 2. FEATURES & TECHNICAL EXPLANATION ................................................................................ 5 3. PARTS IDENTIFICATION ............................................................................................................ 7 4. INSTALLATION ............................................................................................................................. 8 5. OPERATION ................................................................................................................................11 6. WIRING DIAGRAM / PROGRAM CHART ...................................................................................15 7. TROUBLESHOOTING .................................................................................................................19 7-1. BEFORE PERFORMING SERVICE ...................................................................................19 7-2. QC TEST MODE .................................................................................................................19 7-3. HOW TO CHECK THE WATER LEVEL FREQUENCY ......................................................19 7-4. ERROR DISPLAY ...............................................................................................................20 8. ERROR DIAGNOSIS AND CHECK LIST ....................................................................................22 8-1. DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION ........................................22 8-2. FAULT DIAGNOSIS AND TROUBLESHOOTING ..............................................................25 9. DISASSEMBLY INSTRUCTIONS ...............................................................................................32 10. EXPLODED VIEW .....................................................................................................................40 10-1. CABINET & CONTROL PANEL ASSEMBLY ....................................................................40 10-2. DRUM & TUB ASSEMBLY................................................................................................41 10-3. DISPENSER ASSEMBLY .................................................................................................42

3 ITEM WM2411HW WM2011HS / WM2011HW WM1811CW WM2432HW WM2032HS / WM2032HW WM1832CW WD-12210(5)BD WM0532HW / WD-10210BD POWER SUPPLY 120V ~ 60Hz PRODUCT WEIGHT 190 lbs. (86 kg) WASHING 280W 235W DRAIN MOTOR 80W WASH HEATER 1000W - WASH 42 rpm SPIN 0-1200 rpm 0-1000 rpm 0-900 rpm CYCLES 9 7 5 WASH / RINSE TEMPERATURES 6 5 4 SPIN SPEEDS 6 5 5 OPTIONS Prewash, Stain Cycle, Quick Cycle, Extra Rinse, Rinse+Spin, Delay Wash CUSTOM PROGRAM Incorporated WATER CIRCULATION Incorporated - OPERATIONAL WATER PRESSURE 4.5-145 psi (30-1000 kPa) CONTROL TYPE Electronic WASH CAPACITY 3.22 cu.ft (3.72 cu.ft.IEC) DIMENSIONS 27”(W) X 29 - 1 / 2 ”(D) X 42 - 3 / 4 ”(H), 49 - 4 / 5 ”(D, door open) DELAY WASH up to 19 hours up to 12 hours up to 9 hours DOOR SWITCH TYPE PTC + Solenoid WATER LEVEL 7 steps (by sensor) LAUNDRY LOAD SENSING Incorporated ERROR DIAGNOSIS Incorporated AUTO POWER OFF Incorporated CHILD LOCK Incorporated RLM ENABLE - 1. SPECIFICATIONS ELECTRIC POWER CONSUMPTION REVOLUTION SPEED

4 ITEM WM2444H*M WM2442H*/WM0642H* WM2042CW POWER SUPPLY 120V ~ 60Hz PRODUCT WEIGHT 190 lbs. (86 kg) WASHING 280W 235W DRAIN MOTOR 80W WASH HEATER 1000W - WASH 42 rpm SPIN 0-1200 rpm 0-1000 rpm CYCLES 7 5 WASH / RINSE TEMPERATURES 6 4 SPIN SPEEDS 6 5 OPTIONS Prewash, Stain Cycle, Quick Cycle, Extra Rinse, Rinse+Spin, Delay Wash CUSTOM PROGRAM Incorporated WATER CIRCULATION Incorporated - OPERATIONAL WATER PRESSURE 4.5-145 psi (30-1000 kPa) CONTROL TYPE Electronic WASH CAPACITY 3.32 cu.ft (3.83 cu.ft.IEC) DIMENSIONS 27”(W) X 29 - 1 / 2 ”(D) X 44”(H), 49 - 4 / 5 ”(D, door open) DELAY WASH up to 12 hours up to 9 hours DOOR SWITCH TYPE PTC + Solenoid WATER LEVEL 10 steps (by sensor) LAUNDRY LOAD SENSING Incorporated ERROR DIAGNOSIS Incorporated AUTO POWER OFF Incorporated CHILD LOCK Incorporated RLM ENABLE Incorporated - ELECTRIC POWER CONSUMPTION REVOLUTION SPEED

5 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 Extra Large Door Opening The tilted drum and extra large door opening make it possible to load and unload easily. Water Circulation Spray detergent solution and water onto the load repeatedly. Clothes are soaked more quickly and thoroughly during the wash cycle. Detergent suds are eliminated more easily by the water shower during rinse cycle. The water circulation system uses both water and detergent more efficiently. RollerJets The washing ball enhances wash performance and reduces damage to clothing. The jets spray and help tumble clothes to enhance washing performance while maintaining fabric care. Built-in Heater The internal heater automatically heats the water to the optimum temperature on selected cycles. Child Lock The Child lock feature prevents children from pressing any buttons to change the settings during operation. Using the RLM (Remote Laundry Monitor) The RLM monitors status of your washer and/or dryer. You can plug the display unit into any power outlet in your home. The RLM Display Unit can be purchased separately for this washer.

6 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. 2-3.WATER LEVEL CONTROL This model incorporates a pressure sensor which can sense the water level in the tub. The water supply is stopped when the water level reaches the preset level, the washing program then proceeds. Spinning does not proceed until the water in the tub drains to a certain level. 2-4.DOOR CONTROL The door can be opened by pulling the door handle whenever washer is not in operation. When the cycle is completed, the DOOR LOCKED light will turn off. If a power failure has occurred while in operation, the door will lock for 5 minutes. Clicking sounds can be heard when the door is locked / unlocked. FUZZY LOGIC load size selected washing temperature water temperature washing time rinsing time spin rhythm, time the best washing performance SENSING PROCESSING DETERMINATION EFFECT

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

8 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. STANDARD INSTALLATION The appliance should be installed as follows: REMOVE THE TRANSIT INSTALL THE APPLIANCE ADJUST THE BOLTS ON A FLAT AND FIRM SURFACE LEVELING Remove the transit bolts Turn the leveling feet to adjust (4 EA: ) with the supplied wrench. the appliance horizontally. Keep the transit bolts and spanner for future use. Insert the 4 caps (provided) into the hole. The appliance goes up by rotating the feet clockwise. The appliance come down by rotating the feet counterclockwise. 4. INSTALLATION

9 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 CONNECT POWER PLUG The end of the drain hose should be placed less than 96 ” from the floor. Connect the power plug to the wall outlet. Avoid connecting several electric devices, as doing so may cause a fire. Make sure that the hose is not twisted. Avoid submerging the end of the hose.

LG WM0642HW Service Manual and Repair Guide

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