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LIQUID DETERGENT/SOFTENER/

BLEACH DOES NOT FLOW IN

ABNORMAL SOUND

LGE Internal Use Only

Copyright © 201

6

~ 201

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LG Electronics Inc. All rights

reserved. Only training and service purposes.

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Summary of Contents for WM8100

Page 1: ...blication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2016 2017 LG Electronics Inc All rights reserved Only ...

Page 2: ...Caution 19 7 2 Load Test Mode 19 7 3 How To Check the Water Level Frequency Error 19 8 Troubleshooting 20 33 8 1 Safety Caution 20 8 2 Error Mode Summary 20 21 8 3 Troubleshooting With Error 22 28 8 4 Other Troubleshooting 29 33 9 Component Testing Information 34 42 9 1 Filter Assembly Line Filter 34 9 2 Door Look Switch Assembly 35 36 9 3 Stator Assembly 37 9 4 Pump Motor Assembly 38 9 5 Inlet Va...

Page 3: ...SH CARE PRE WASH TURBO WASH RINSE SPIN WATER CIRCULATION Incorporated OPERATIONAL WATER PRESSURE 20 120 psi 138 827 kPa CONTROL TYPE Electronic WASH CAPACITY cu ft 5 23 DOE DIMENSIONS 29 W X 32 D X 40 3 4 H 571 2 D with door open DELAY WASH up to 19 hours DOOR SWITCH TYPE PTC Solenoid DOOR FRAME CHROME WATER LEVEL 10 steps by sensor LAUNDRY LOAD SENSING Incorporated ERROR DIAGNOSIS Incorporated AU...

Page 4: ...4 2 1 FEATURES 2 FEATURES TECHNICAL EXPLANATION LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 5: ...5 2 2 NEURO FUZZY WASHING TIME OPTIMIZATION LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 6: ... 2 8 WATER CIRCULATION The recirculated water sprays from a nozzle at the Slightly below the center of both sides of the door gasket During the wash cycle it runs continuously for the first three minutes and intermittently after that During the rinse cycle it runs continuously after the drum is filled 2 9 STEAM For tough stained clothes sick room linens or baby clothes Steam Wash is available with...

Page 7: ...7 3 PARTS IDENTIFICATION INCLUED OPTIONAL LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 8: ...8 4 INSTALLATION TEST LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 9: ...9 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 10: ...10 Power Start Pause Wash Temp Start Pause Start Pause Spin Speed LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 11: ...11 5 1 Control Panel Features 5 OPERATION WM8100 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 12: ...12 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 13: ...13 Spin Speed Soil Level LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 14: ...umbo Wash Comforter 84 Hot Warm Cold Tap Cold High Medium Low No Spin Heavy Normal Light Towels Towels 61 74 Hot Warm Cold Tap Cold Extra High High Medium Low No Spin Heavy Normal Light Perm Press Dress shirts pants wrinkle free clothing poly cotton blend clothing tablecloths 37 47 Hot Warm Cold Tap Cold High Medium Low Heavy Normal Light Hand Wash Wool Items labeled hand washable 55 Warm Cold Tap...

Page 15: ...tes Use this function to add garments or remove foreign objects like coins or keys after the cycle has started 1 Press Add Garments The cycle pauses and the door unlocks 2 Open the door add garments or remove foreign objects and close the door 3 Press Start Button to restart the cycle The cycle continues automatically Use this option to prevent unwanted use of the washer or to keep cycle settings ...

Page 16: ...16 5 4 Explanation of Each Process PRE WASH LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 17: ...17 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 18: ...18 6 WIRING DIAGRAM PROGRAM CHART HOUSING LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 19: ...19 7 TEST MODE 7 1 SAFETY CAUTION SPIN SPEED SOIL LEVEL WASH RINSE DELAY WASH LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 20: ...20 8 TROUBLESHOOTING 8 1 SAFETY CAUTION LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 21: ... 8 EEPROM is out of order Displayed only when the START PAUSE button is first pressed in the Load Test Mode 9 g n i h s a w e l i h w d e p p o t s s i y l p p u s r e w o p e h t r e t f A E R U L I A F R E W O P machine is working the power is supplied rapidly 10 If the washing machine detects too many suds it displays this error code and adds a Suds Reducing cycle This adds about two hours to t...

Page 22: ...22 INLET VALVE ERROR 8 3 TROUBLESHOOTING WITH ERROR LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 23: ...23 DRAIN ERROR WASH RINSE DELAY WASH SPIN SPEED SOIL LEVEL LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 24: ...24 HEATING ERROR LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 25: ...nectors below Is the connector disconnected Or disassembled motor drive connector part of main PWB Assembly GY4 GY4 Gray LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 26: ...26 DOOR OPEN ERROR START PAUSE Note Installation check list LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 27: ...27 UNBALANCE ERROR OVER FLOW ERROR Note Installation check list WASH RINSE DELAY WASH LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 28: ...28 PRESSURE SENSOR ERROR MAIN PWB LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 29: ...electrical terminal with the wiring diagram 3 If you replace the MAIN PWB ASSEMBLY reinsert the connectors correctly DISPLAY PWB ASSEMBLY Display PWB Connecting connector MAIN PWB Display PWB 8 4 OTHER TROUBLESHOOTING LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 30: ...30 BUTTON DOESNʼT WORK LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 31: ...31 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 32: ...32 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 33: ...33 LIQUID DETERGENT SOFTENER BLEACH DOES NOT FLOW IN ABNORMAL SOUND LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 34: ...34 9 COMPONENT TESTING INFORMATION 3 1 WH1 3 1 RD1 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 35: ...35 9 2 DOOR LOCK SWITCH ASSEMBLY LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 36: ...36 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 37: ...stopped to maximum speed in infinite steps in either direction There are 36 poles on the stator 12 permanent magnets spaced around the rotor There are no brushes to wear out Unlike a more traditional brushless motor the rotor surrounds the stator rather than being attached to it Test Points Result 1 to 2 2 to 3 3 to 1 5 15 Ω 5 15 Ω 5 15 Ω WINDINGS 1 2 3 LGE Internal Use Only Copyright 2016 2017 LG...

Page 38: ...38 9 4 PUMP MOTOR ASSEMBLY LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 39: ...39 9 5 INLET VALVE ASSEMBLY LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 40: ...V Heater Vac X100 3 4 3 4 Tab Relay Heater driving circuit Wiring diagram MAIN PWB X71 3 4 3 4 3 4 3 4 X134 BK YL RD BL BK Vac WASH HEATER YL LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 41: ...41 9 7 THERMISTOR ASSEMBLY Circuit in the MAIN PCB Wiring Diagram LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 42: ...ance 5 39 5 kΩ 26 1 kΩ 12 1 kΩ 8 5 kΩ 3 8 kΩ 2 8 kΩ Remarks At 86 F 30 C At 104 F 40 C At 140 F 60 C At 158 F 70 C At 203 F 95 C At 221 F 105 C LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 43: ...43 10 DISASSEMBLY INSTRUCTIONS CONTROL PANEL LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 44: ...essure switch assembly Remove the protective cover Unscrew 1 screw on the back Remove the main PWB Disconnect the connectors PROTECT COVER 1 2 3 4 5 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 45: ...45 DISPENSER ASSEMBLY NOISE FILTER LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 46: ...46 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 47: ...47 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 48: ...ct the connector after replacing the DOOR SWITCH ASSEMBLY Unscrew the 6 hexgon head screws from the cabinet cover Use the 13mm tool LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 49: ...er Separate 2 connectors from the heater Loosen the nut and pull out the heater CAUTION When assembling the heater insert the heater into the heater clip on the bottom of the tub Tighten the fastening nut so the heater is secure CIRCULATION HOSE PUMP HOSE BELLOWS 1 2 3 1 2 3 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 50: ...jects wire coin etc by inserting a long bar in the opening LAMP ASSEMBLY Unscrew 2 screws on the back of the top plate Pull the top plate backward and upward as shown TOP PLATE ASSEMBLY 1 2 3 1 Disconnect the connector 3 2 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 51: ...51 LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 52: ...15 F210 Printed materials Description Owner s Manual Energy Label Loc No Tech Sheet Service Manual Quick Start Guides Inst allation Sheet G001 G002 G003 G004 G006 G007 The following parts are not illustrated Non Skid Pa ds G010 F110 A156 A141 11 1 Cabinet and Control Panel Assembly LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 53: ... K122 K516 F464 K190 F310 F315 F465 K141 K115 K117 K610 K611 K123 K143 K350 F463 K530 K135 K513 F140 K411 K410 K111 K140 K110 K571 K142 K572 K570 K361 K360 F360 F365 F468 11 2 Drum and Tub Assembly LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 54: ...329 F441 F120 F130 F432 A275 A276 F220 F227 F226 F300 F462 F323 F327 F321 F180 F340 F170 F160 F322 11 3 Dispenser Assembly LGE Internal Use Only Copyright 2016 2017 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 55: ...MFL68840008 April 2016 PRINTED IN KOREA ...

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