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LG WM8000H*A, Service Manual

Introducing the LG WM8000H*A, a cutting-edge home appliance designed to simplify your laundry routine. Discover the full potential of this high-performance washer by accessing its comprehensive Owner's Manual. Experience hassle-free laundry days as you download the user manual for free from our website, ensuring seamless operation.

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CONTENTS

1.

Specifications ....................................................................................................................................

2.

Features and Technical Explanation  ................................................................................................. 

 2-1. Featurs  ......................................................................................................................................... 
 2-2. Neuro fuzzy Washing time optimization  ....................................................................................... 

 2-3. Water level Contorl  ....................................................................................................................... 
 2-4. Door Contorl  .................................................................................................................................
 2-5. The door can cont be Opened  ......................................................................................................

 2-6. Door lock lamp Lights  ...................................................................................................................
 2-7. Child Lock  .....................................................................................................................................

 2-8. Water Circulation  ..........................................................................................................................

 2-9. Steama  .........................................................................................................................................

 2-10  Drum Light ..................................................................................................................................

6.

Wiring Diagram / Program Chart .......................................................................................................... 19

20

21

41

42
43

55
56
57

35

22
20

7.

Test Mode ...................................................................................................................................... 20-34

21-34

21-22

23-29
30-34

35-45

36-37

38-40

44-45

46-54
55-57

2-5

5
6

6
6
7

7
7
7

7
7

8

15
16

5-2

9-18

11-12

12-14

17-18

7-1. Safety Caution  .............................................................................................................................
7-2. Load Test Mode  ...........................................................................................................................
7-3. How To Check the Water Level Frequency Error  .........................................................................

8.

Troubleshooting ............................................................................................................................
8-1. Safety Caution  ..............................................................................................................................
8-2. Error Mode Summary  ............................................................................................................
8-3. Troubleshooting With Error  ....................................................................................................
8-4. Other Troubleshooting ............................................................................................................

9.

Component Testing Information  ....................................................................................................
9-1. Filter Assembly (Line Filter)  .........................................................................................................
9-2. Door Look Switch Assembly  ...................................................................................................
9-3. Stator Assembly ......................................................................................................................
9-4. Pump Motor Assembly  ..................................................................................................................
9-5. Inlet Valve Assembly  .....................................................................................................................
9-6. Heater Assembly ...........................................................................................................................
9-7. Thermistor Assembly  ..............................................................................................................

3.

Parts Identification ................................................................................................................................

4.

Installation and Test  ......................................................................................................................... 

5.

Operation ........................................................................................................................................

5-1. Control Panel Features  ...........................................................................................................
5-2. Cycle Guide  .................................................................................................................................
5-3. Special Functions .........................................................................................................................
5-4. Explanation of Each Process  ..................................................................................................

10. Disassembly Instructions  ...............................................................................................................

11. Exploded View  ...............................................................................................................................

11-1. Cabinet and Control Panel Assembly .........................................................................................
11-2. Drum and Tub Assembly  ............................................................................................................
11-3. Dispenser Assembly ...................................................................................................................

Summary of Contents for WM8000H*A

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Page 2: ...ety Caution 7 2 Load Test Mode 7 3 How To Check the Water Level Frequency Error 8 Troubleshooting 8 1 Safety Caution 8 2 Error Mode Summary 8 3 Troubleshooting With Error 8 4 Other Troubleshooting 9 Component Testing Information 9 1 Filter Assembly Line Filter 9 2 Door Look Switch Assembly 9 3 Stator Assembly 9 4 Pump Motor Assembly 9 5 Inlet Valve Assembly 9 6 Heater Assembly 9 7 Thermistor Assem...

Page 3: ...STEAM ELECTRIC POWER CONSUMPTION REVOLUTION SPEED WASHING DRAIN MOTOR WASH HEATER WASH SPIN 14 5 5 STEAM DELAY WASH CUSTOM PGM COLD WASH TM TM EXTRA RINSE CHILD LOCK DRUM LIGHT FRESH CARE PRE WASH TURBO WASH Incorporated 14 5 116 psi 100 800 kPa Electronic 5 23 DOE 29 W X 32 D X 40 3 4 H 571 2 D with door open up to 19 hours PTC Solenoid 10 steps by sensor Incorporated Incorporated Incorporated In...

Page 4: ...ted Drum and Extra Large Door Opening Tilted drum and extra large opening make it possible to load and unload clothing more easily Steam Washing Steam washing features upgraded washing performance with low energy and water consumption Automatic Wash Load Detection Automatically detects the load and optimizes the washing time Built in Heater Internal heater helps to maintain water temperature at it...

Page 5: ...m then proceeds Spinning does not proceed until the water in the tub drains to a certain level water temperature washing time rinsing time the best washing performance spin rhythm time load size NEURO FUZZY selected washing temperature SENSING EFFECT PROCESSING DETERMINATION The door can be opened by pulling the door handle whenever washer is not in operation When the cycle is completed the DOOR L...

Page 6: ...OCK press and hold the STAIN CARE button for 3 seconds 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 2 10 DRUM LIGHT For tough stained...

Page 7: ...INCLUED OPTIONAL ...

Page 8: ... G G G G G G G U z G G U h G SG G G G G G G G G U z hukhykGpuz hssh pvu G G G G G G a y G G G G G G G U y G G G G U p G G G G U r G G G G G G G U p G G G GO P G G U G G G b G G UG G G G G G G U s o yltv lG olGzopwwpun ivs z puz hssG olGhwwsphujlG vuGhGmsh GhukGmpytGz ymhjl hkq z G olG sl lspun U puz hssh pvuGMG lz r ...

Page 9: ...ˍ t G G G G G G G U ˍ h G G G G G G U o j ...

Page 10: ...s G G G G G G G G G U j G G G U ˍ w G G hzoG ltwG GG G G G G U ˍ j G G G G G G UG j G G G U j G G G U ˍ j G G G G G G G U j G G G G U ˍ w G G G G G U ˍ w G GzwpuGzwllkG U ˍ w G Gz hy Vwh zlG U ˍ j G G G G G U ˍ s G G G G G G G G G U _ w G Gz hy Vwh zl U G ˍ p Gzly pjlG G G SG G G G G G G G G U ...

Page 11: ...WM8000H A ...

Page 12: ...12 ...

Page 13: ...Spin Speed Soil Level ...

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Page 15: ...E button for 3 seconds The drum light will illuminate and then turn off automatically after 4 minutes CUSTOM PROGRAM allows you to store a customized wash cycle for future use It allows you to save favorite temperature spin speed soil level and other options for a cycle and then recall them at the touch of a button Use this option to prevent unwanted use of the washer or to keep cycle settings fro...

Page 16: ...G G G G G G G G G G G G G U U U G VG ˍ G G G G G G G G S G G G G G G U ˍ p G G G G G G G G T G SG G G G U U ˍ m G G G G G G G G G SG SG G G U _U k ˍ hG G G G G G G G U ˍ G G G G G G G G G SG G U ˍ G G G G G SG G G SGh SG G G SG G G G G G G G G G G G G G G G G G G G UG U Oz T P ˍ p G G G G G G G G G G SG G G G U ˍ p G G G G G G G G SG G G G UG G G G G G G G G SG G G lU ˍ G G G G SG G G G ˍ k G G SG...

Page 17: ... G U ˍ G G G G G G U XZU y G ˍ G G G G U X U X U y ˍ y G U s ˍ h G G G G G G G G G SG G G G G U ˍ p G G G G SG G G G G G G G G GG G G G G UG X U k X U p G t G X ˍ G G G GXWU ˍ G G G G U X_U X U YWU YXU YYU t G X ˍ G G G GXXU G ˍ h G G G G G G SG G G G G G G G U y G ˍ G G G GXYU ˍ h G G SG G G G G U G G l ˍ h G G G G SG G G G_G G G G G G UGOh G G G P ˍ h G G G G SG G G G G G G G G G G G G GYG G G G...

Page 18: ...18 ...

Page 19: ...19 SPIN SPEED SOIL LEVEL WASH RINSE DELAY WASH ...

Page 20: ...20 ...

Page 21: ...e MOTOR HARNESS and 4 pin female white connector in the MAIN PWB ASSEMBLY is bad or unstable The MOTOR HARNESS between the STATOR ASSEMBLY and MAIN PWB ASSEMBLY is cut open circuited The hall sensor is out of order defective 8 EEPROM is out of order Displayed only when the START PAUSE button is first pressed in the Load Test Mode 9 POWER FAILURE After the power supply is stopped while washing mach...

Page 22: ...22 INLET VALVE ERROR Z ...

Page 23: ...Gw G UGz G G WUP y G kyhpuGw tw hzzltis U u p G G G G G G f OuhYG X GisZG XP TGh G G w Gh GO whP G SG G G U TGw G GaGXYW hjG L TGz Gt Vw GaGW X t XU w G G GSPIN SPEEDG GSOIL LEVEL G G Gwv lyU YU w Gz Vw G U a XG w G T G a YG w G T G a ZG w G T G a G z G Gt Vw u Gp G G XP G G G G G G G G U YP G G G G G G G G G G G G G G G U ZP G G G G G G G G U P G G G G G G G G G G G G G G G U y G thpuGw i hzzltis...

Page 24: ...X_ 7P Oy G G T Go UGz G G YUP y G olh ly hzzltis U u u p G G G G f O GZ U 7 GZW jP Oy G G T G UGz G G ZUP y G olytpz vy hzzltis U u o G G G G G G fG u hG G G G G UG G G G G G G G G G G U y G olytpz vy hzzltis U z G G G G G G G G fG y G G U u z G G G p lGlyyvy f ...

Page 25: ...P y G U O GV GVG GP y Gyv vyU t Gk p G G G f o G t Gk o Gz G G t G t u t y Gz h vyU p G G G G G G G G GX G 7f O T SG T SG T a dXSG dYSG dZP Th G G G Gyk SG G G G G G UGOy GZwSG P u y Go U p G G G G f Oy G G TZ z G Vo UGz G GZ Z UP u y G thpuGw i hzzltis U j G GpwtG G U u p slGlyyvy f ...

Page 26: ...26 DOOR OPEN ERROR START PAUSE Note Installation check list ...

Page 27: ...27 UNBALANCE ERROR OVER FLOW ERROR Note Installation check list WASH RINSE DELAY WASH ...

Page 28: ...28 PRESSURE SENSOR ERROR p G G G G G G fG y G G U u u p G G G G G G G f O GX G GZP OYX YZ 7 XWLP y G U u p G GhpyGjohtilyG G G f y G GMAIN PWB U m G G G G U p wlGlyyvy f ...

Page 29: ...arts 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 DISPLAY PWB ASSEMBLY Display PWB Connecting connector MAIN PWB Display PWB ...

Page 30: ...30 BUTTON DOESN T WORK ...

Page 31: ... G G G G G a j G G G G G G G G G G G G U w G G G O PG G G G GxjG G G G G G U Oy G G G UYSG GX UP G G G G G G S G G G G U p G G G G G G SG G U G U G GOYG GZG PG UGv G S G SGy Rz G G V G G U G G G G G G S G G G G U p G G G G SG G UGh G G G SG G G G G G G G G G UGh G G G G U i Gw s Gw o s h G h G ...

Page 32: ... IQUID CHLORINE LEACH OMPARTMENT IQUID FABRIC 3OFTENER OMPARTMENT 0REWASH OMPARTMENT AIN 7ASH OMPARTMENT S THE DETERGENT CAKED OR HARDENED S WATER SUPPLIED HECK THE WIRING u RE RECEPTACLES CORRECTLY CONNECTED TO THE TERMINALS OF THE 4 6 6 33 9 0UT THE DETERGENT IN THE CORRECT PLACE LEAN THE DISPENSER u w G t G ETERGENT ...

Page 33: ... G G G G G G Gpusl G hs l hzzltis f p G G G G f p G G G V V G G f j G G G U y G uvG h ly z wws U u p G G V V G G G G G G G f w G G G U j G G U u z G U p G G G G G G f j G U y Gp U G U y G U j G G U y G G U u OXPGs G Gi Gj OYPGs G Gz Gj OZPGw Gj O PGt G Gj OXP O P OZP OYP i G z s G G ...

Page 34: ...34 ...

Page 35: ... T h G G G G SGw jG G G G G G YG G G G G G U T h Gw jG G G G G G G G G S G G G G G G G GjhtU k G T h G G G G GZ GOw jGMG PG G G G U T k G G G G G G G G G G G U jhtG G G G G G G U G SG G G G G G GYU G G G G G G SG G G GjhtG G G G T G U T h G G G G G U G G G G G G G G G G G G G U u G G G Gw jG aGXU GˀG G U YUv G G G T G G G SG G G G GjhtG G G G G G G SGZG G G G G G G GˀG G GZG G G G G U T G G G G G ...

Page 36: ...Z6 y Gw OYPG GO P OZPG GO P O PG GO P OYPG GO P y WWTX WWG 7 WT WG 7 p XYWG y h G mGOY jP h G mGOY jP Gp O P O P OZP OYP ...

Page 37: ...3 4 1 2 3 4 Hb Function Test points Windings Result Windings The Direct Drive motor can be driven from 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 Resul...

Page 38: ...o the Hall Sensor use the following steps 1 Unplug power cord 2 Remove rear washer panel 3 Locate Hall sensor connector on the stator behind the rotor 4 Place meter leads on terminals 5 to 4 white to gray 5 Plug in power cord close door and press power button DO NOT PRESS START 6 You should measure 10 to 15 VDC If 10 to 15 VDC is present control board white wire and gray wire are OK If not follow ...

Page 39: ...p G G G G GXW kjSG G G G GvrUGp G G G G G G GXWG SG G G G G G SGo G G G G G G UGpmG GOWPG G G G G G SG G G G G UGy G G G G G U TG G Go Gz G G Gt GwjiGh U G G G G G G G G SG G G G G GXG G SG G G UGz G G G G G UG G G G G GXW kj UGp GXWG kj G G GXG G SG G G G G G G SG GYUGy G G G G G U G G G G GXW kj G G G U _U p G GXWG kj G G GXG G G GYG G SG G G GvrHGp G G G G G GXW kj G GO G PG G G G G UGk G G G G...

Page 40: ...uulj vy w tw Y X Z w Gk G thpuGw i uhY X Y Z X Y Z Z Y X Z Y X X Y Z X Y Z isZ zi zi zi ir iu iu kyhpu w tw jpyj sh pvu w tw ir v m y G G G G G G G G G G G G G GVG G U k Gw k Gw j Gw j Gw Gw y OXPG GOYP XWTYWG 7 Gw y OXPG GOYP X_TZWG 7 Uw m Gk m Gj OXPOYP OYP OXP OXP OYP ...

Page 41: ...G G G G G G G G G G G G G G G U y G G G G G G G G G UG G OXPTOYP y WU_TXUY 7 Gk thpu hzo wyl hzo islhjo ov hs l X Y G G G X Y G G G X Y G G G X Y G G yk is is uh o uh n s is uhY isZ Z Y X X Y Z X Y Z Z Y X Z Y X Z Y X jvttvu OirP tphuGw i pusl G hs l OXP OYP OXP OYP OXP OYP OXP OYP OXP OYP OXP OYP OXP OYP OXP OYP ...

Page 42: ...g circuit Wiring diagram MAIN PWB X71 3 4 3 4 3 4 3 4 3 4 3 4 X135 X134 BK BL YL RD GY BL BK BK Vac WASH HEATER STEAM GENERATOR HEATER YL l z m l z m m G y XU G G G G G G G G G G G G G G G G G U YU G G G G G G G G G G G U Go z Gn Go Go z Gn Go Gw y OXPG GOYP XYTX_G7 Gw y OXPG GOYP XYTX_G7 OXP OYP OYP OXP ...

Page 43: ...43 T UG olytpz vyGhzzltis Circuit in the MAIN PCB Wiring Diagram thpuGw i tpjvt uhZ is X Y X Y o o hzo olytpz vy X Y Z X y y y y j j j j Y Z m G GO G PG G G G G G G G G G G U G OYP OXP ...

Page 44: ... C At 158 F 70 C At 203 F 95 C At 221 F 105 C Steam generator Thermistor Test Points 1 to 2 Result tolerance 5 39 5 kΩ 26 1 kΩ 12 1 kΩ 8 5 kΩ 3 8 kΩ 2 8 kΩ 2 1 kΩ 1 4 kΩ 1 0 kΩ 0 7 kΩ 0 4 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 At 241 F 116 C At 266 F 130 C At 293 F 145 C At 320 F 160 C At 356 F 180 C ...

Page 45: ...45 CONTROL PANEL ...

Page 46: ...AIN PWB ASSEMBLY Disconnect the POWER connector and the pressure 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 ...

Page 47: ...47 DISPENSER ASSEMBLY NOISE FILTER ...

Page 48: ...48 jhipul Gjv ly G G G G G G G G U G G G G G U w G G GOGTGPG G G G G G G G G G G G G G G G U G G G G G G G G G U X Y Z ...

Page 49: ...49 v G G U k G G G U G G G U k G G G G U k G G G U k G G U s G G G G G U uv lGaG G G G jhipul Gjv lySG G G G U _ XW XX ...

Page 50: ...50 DOOR DOOR LOCK SWITCH ASSEMBLY NOTE Reconnect the connector after replacing the DOOR SWITCH ASSEMBLY Unscrew the 6 hexgon head screws from the cabinet cover Use the 13mm tool ...

Page 51: ...onnectors from the heater Loosen the nut and pull out the heater THERMISTOR Disassemble the cabinet cover Unplug the white connector from the thermistor Pull it out by holding the bracket of the thermistor 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 ...

Page 52: ...ver Separate the heater from the tub Remove any foreign objects 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 ...

Page 53: ...yVkhtwly uv l ˍ G G SG G G G G G G G U G G G G G G UGi G G G G G G G G G G UG i y khtwly opunlS khtwly k G G G U y G G U w G G G U X Y Z G GYG G G G G U y G G G G G G U G GYG G G G U X Y Z k G G G G G G G U X ...

Page 54: ...300 A200 A201 A220 A155 A440 A430 A100 A101 A105 A104 F211 A102 A103 F215 F210 Printed materials Description Owner s Manual Energy Label Loc No Tech Sheet Service Manual Quick Start Guides Installation Sheet G001 G002 G003 G004 G006 G007 The following parts are not illustrated Non Skid Pads G010 F110 A156 A141 ...

Page 55: ...346 K131 K349 K342 K347 K348 K345 F145 K135 K520 F461 K540 K105 K550 F464 K121 K125 K122 K516 F464 K190 F310 F315 F465 K141 K115 K117 K610 K611 K123 K143 K350 F463 K530 K130 K351 K513 F140 K411 K410 K111 K140 K110 K571 K142 K572 K570 K361 K360 F360 F365 ...

Page 56: ...56 Inlet Valve Filter SVC F430 F225 F329 F441 F120 F130 F432 A275 A276 F220 F227 F226 F300 F462 F323 F322 F321 F180 F327 F340 F170 F160 ...

Page 57: ...69 MFL67307903 o N P A E R O K N I D E T N I R P 9 0 0 2 T C O ...

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