LG WM8500HVA Service Manual
LG WM8500HVA Manual
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LG WM8500HVA manual content summary:
- LG WM8500HVA | Service Manual - Page 1
GaG››—aVV‰¡U UŠ–” ~hzopunGthjopul zly}pjlGthu|hs jh|{pvu ylhkG{opzGthu|hsGjhylm|ss€G{vGkphnuvzl wyvisltzGjvyylj{s€GilmvylGzly}pjpunG{olG|up{U tvklsaG~t_WWWoQh - LG WM8500HVA | Service Manual - Page 2
...12-14 5-2. Cycle Guide ...15 5-3. Special Functions ...16 5-4. Explanation of Each Process 17-18 6. Wiring Diagram / Program Chart ...19 7. Test Mode ...20-34 7-1. Safety Caution ...20 7-2. Load Test Mode ...22 7-3. How To Check the Water Level Frequency Error 20 8. Troubleshooting ...21-34 - LG WM8500HVA | Service Manual - Page 3
XU SPECIFICATIONS ITEM COLOR POWER SUPPLY PRODUCT WEIGHT ELECTRIC POWER CONSUMPTION REVOLUTION WASHING DRAIN MOTOR WASH HEATER WASH SPEED SPIN CYCLES WASH/RINSE TEMPERATURES SPIN SPEEDS OPTIONS WM8000H*A W : White, V : Stainless Silver AC 120 V, 60 Hz 225 lb (102 kg) 280 W 80 W 1000 W - LG WM8500HVA | Service Manual - Page 4
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 its optimum level for selected cycles. Child - LG WM8500HVA | Service Manual - Page 5
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 - LG WM8500HVA | Service Manual - Page 6
if the machine has SPIN button for 3 seconds to lock/unlock control. When child lock is set, CHILD LOCK lights and all buttons are disabled except the POWER butt on. Youcan lock the controls of the washer while washing. CHILD LOCK remains in effect after the cycle washing performance with low energy - LG WM8500HVA | Service Manual - Page 7
I NCLUED O PTIONAL - LG WM8500HVA | Service Manual - Page 8
G‰–“›šSG“ŒŒ“G›ŒGžˆšŒ™SGŒ›ŠUP [ jŒŠ’Gž›G›ŒG GŽœ‹ŒU \ w“ˆ•G –œ™G G”Œ›–‹G‰ G G›–G›ŒG G U ] zŒ™ŠŒG›ŒGœ•›U ^ h›Œ™G SG G›ŒG G›–GšŒŒG G›G G U z{hukhykGpuz{hssh{pvu {ŒG Gš–œ“‹G‰ŒG GˆšG a yltv}lG{olGzopwwpun ivs{z puz{hssG{olGhwwsphujlG vuGhGmsh{GhukGmpytGz|ymhjl - LG WM8500HVA | Service Manual - Page 9
o–› j–“‹ ˍ tˆ’ŒGšœ™ŒG›ˆ›G›ŒG–šŒGšG•–›G U ˍ h–‹G G›ŒGŒ•‹G–G›ŒG–šŒU - LG WM8500HVA | Service Manual - Page 10
^ {lz{Gvwlyh{pvu X w G–™ U Y w™ŒššG›ŒGwv~lyG‰œ››–•U Z w™ŒššG›ŒGz{hy{Vwh|zl ‰œ››–•U ˍ j–••ŒŠ›G›ŒG—–žŒ™G—“œŽG›–G U ˍ j–••ŒŠ›G›ŒG•“Œ›G–šŒšUG ] jŒŠ’G›ŒGžˆ›Œ™G U ˍ sš›Œ•G–™GˆGŠ“Š’G›–G GG GˆšG“–Š’Œ‹U \ jŒŠ’G›ŒG G U [ jŒŠ’G›ŒGžˆ›Œ™Gšœ——“ U ˍ w™ŒššG›ŒG~hzoG{ltwG GG - LG WM8500HVA | Service Manual - Page 11
WM8000H*A - LG WM8500HVA | Service Manual - Page 12
12 - LG WM8500HVA | Service Manual - Page 13
Spin Speed Soil Level - LG WM8500HVA | Service Manual - Page 14
j€jsl mhiypjG{€wl hsslynplul˞ j–››–•SG S GŠ–Œ™šS ‰Œ‹GšŒŒ›šSG zhup{hy€ oŒˆ“ G SG SG SGŒ›ŠU iypno{ ~op{lz˞ ~›ŒGmˆ‰™Šš i|sr€Vshynl sˆ™ŽŒG›Œ”šGšœŠG G olh}€Gk|{€ oŒˆ Gš–“Œ‹Gj–››–• mˆ‰™Šš jv{{vuV uvyths j–››–•SG“•Œ•SG›–žŒ“šS SGšŒŒ›šSG‘Œˆ•šS ”ŸŒ‹G“–ˆ‹š q|tivG~hzoG j - LG WM8500HVA | Service Manual - Page 15
use of the washer or to keep cycle settings from being changed while the washer is operating. Press and hold the RINSE+SPIN button for 3seconds 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 - LG WM8500HVA | Service Manual - Page 16
\T[U l G–GŒˆŠG u–U w™–ŠŒšš l XU z›ˆ•‹T‰ GGGGGˍ l G—–žŒ™GšG U GšG™Œˆ‹ G›–Gž–™’Gˆ•‹G›ŒG”Š–”GšG•G›ŒGˆŠ›ŒG”–‹ŒU YU ˍ h›Œ™G G Gˆ•‹G GˆGŠ–œ™šŒGˆ•‹GˆGŠ Š“ŒSGžˆ›Œ™G Gˆ•‹G›ŒG‹™œ”G U ˍ ~Œ•G›ŒGœšŒ™G GPRE-WASHSGžˆ›Œ™GšG G G GG›ŒG—™ŒTžˆšGˆ“ŒUG ZU z–ˆ’•Ž ˍ {–GŽŒ›G - LG WM8500HVA | Service Manual - Page 17
u–U w™–ŠŒšš l XWU p ˍ {–G™ŒˆŠG›ŒG GšŒ›Gš—ŒŒ‹SG›ŒG”–›–™G G G G Gˆ›Œ™Gš—•G Gš›ˆ™›šU ˍ pG›ŒGžˆ›Œ™G“ŒŒ“G GšG“–žŒ™G›ˆ•GYZUWG’o¡S ˆGžˆšŒ™GšŒ•šŒšGšœ‹šGˆ•‹Gš›ˆ™›šGšœ‹šG G U XXU y ˍ p•G›šG SG›ŒG Gžˆ›Œ™G‹œ™•ŽG G G Gˆ•‹G›ŒG Gš—ŒŒ‹GšG’Œ—›U ˍ y Gšœ‹šG - LG WM8500HVA | Service Manual - Page 18
18 - LG WM8500HVA | Service Manual - Page 19
SPIN SPEED SOIL LEVEL WASH/RINSE DELAY WASH 19 - LG WM8500HVA | Service Manual - Page 20
20 - LG WM8500HVA | Service Manual - Page 21
out of order. Displayed only when the START/PAUSE button is first pressed in the Load Test Mode. • After the power supply is stopped while washing machine is working, the power is supplied rapidly. 21 - LG WM8500HVA | Service Manual - Page 22
Z INLET VALVE ERROR 22 - LG WM8500HVA | Service Manual - Page 23
DRAIN ERROR pšGGGGGGGGGGGGGGGGG f €Œš pšG›ŒG—œ”—G G‰™–’Œ•G fG y G ›ŒG U pšG›ŒGŠ–“G–G›ŒG G›––GŽG–™G“–žf O G–G›ŒG GXWTYW a [G›”Œš z›–—G›ŒGt–›–™Vwœ”— j G u– ~Œ•G –œG—™ŒššG‰–› WASH/RINSE Gˆ•‹ DELAY WASH SGšG G“ŒŒ“G GY\UWG’o¡f jŒŠ’G›ŒGhpy johtilyS ›ŒG O PS - LG WM8500HVA | Service Manual - Page 24
HEATING ERROR pš ›lGlyyvy f €Œš pšG›ŒGŒˆ›Œ™G G G–™G“––šŒf y G–™ G U šG›ŒG G G‰™–’Œ•G fG y G ›ŒG U z›Œˆ”G G z›Œˆ”G GŒˆ›Œ™ ~ˆšG u– pšGjŒŠ’G G–œ›G–G™ˆ•ŽŒf OXY¥X_ 7P OyŒŒ™G›–G`T]Go UGzŒŒG—ˆŽŒG[YUP yŒ—“ˆŠŒG›Œ €Œš olh{ly hzzltis€U u– ~ˆšG u– pšG G - LG WM8500HVA | Service Manual - Page 25
LOCKED MOTOR ERROR t–›–™G pš slGlyyvy f €Œš jŒŠ’G›ŒG G‰Œ“–žU pšG›ŒG G G f O”–›–™Gˆ““GšŒ•š–™G S ”–›–™G‹™ŒG UP T —ˆ™›G–G”ˆ•Gw~i GOuhXSGyk[P y G U O GV ž™ŒGVG”–›–™GP t pšG™–›–™G”ˆŽ•Œ›G f yŒ—“ˆŠŒ Gyv{vyU tˆŽ•Œ› t–›–™Gk™Œ u– pšG›ŒG G G›ŒG™ˆ•ŽŒG–G\G›–GX\7Gf - LG WM8500HVA | Service Manual - Page 26
DOOR OPEN ERROR START/PAUSE [Note] Installation check list 26 - LG WM8500HVA | Service Manual - Page 27
UNBALANCE ERROR OVER FLOW ERROR WASH/RINSE DELAY WASH [Note] Installation check list 27 - LG WM8500HVA | Service Manual - Page 28
PRESSURE SENSOR ERROR pš wlGlyyvy f €Œš pšG›ŒG GšŒ•š–™G G‰™–’Œ•G fG y G ›ŒG U u– pšG›ŒG G–G GšŒ•š–™G–œ›G f O—•GX¥G—•GZP OYX¥YZ 7 ·XWLP yŒ—“ˆŠŒG šž›ŠU u– pšG›ŒGhpyGjohtilyGˆ•‹ mŸG›ŒGˆ™ ›ŒG›œ‰ŒG f ˆ•‹G™Œ”–Œ ›ŒG u– U yŒ—“ˆŠŒG›ŒGMAIN PWB U 28 - LG WM8500HVA | Service Manual - Page 29
[ 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. - LG WM8500HVA | Service Manual - Page 30
BUTTON DOESN'T WORK 30 - LG WM8500HVA | Service Manual - Page 31
}piyh{pvuGMGuvpzlGpuGzwpu oˆŒGˆ““G›ŒG G G‰ˆšŒG G f yŒ”–ŒG›Œ u G‰–“›š ˆ•‹G U wœ›Gˆ•G G—ˆ™› O™œ‰‰Œ™PG•š‹ŒG–G Gš›ˆ™›GxjG›Œš›G”–‹ŒG G•GŽGš—•U OyŒŒ™G›–G G^UYSG—ˆŽŒGX`UP ~Œ•G›ŒG G G•GŽGš—ŒŒ‹S Œ™ G›ˆ›G›GšGš›ˆ‰“ŒU iˆšŒGwˆŠ’•Ž €Œš pšG›ŒGžˆšŒ™G G–•Gˆ u G G“––™f - LG WM8500HVA | Service Manual - Page 32
kl{lynlu{GkvlzGuv{Gmsv~Gpu )S - LG WM8500HVA | Service Manual - Page 33
LIQUID DETERGENT/SOFTENER/ BLEACH DOES NOT FLOW IN pšGžˆ›Œ™G f u– €Œš h™ŒG›ŒG—“œŽšG G›–G›ŒG G–u– ›ŒGpusl{G}hs}l hzzltis€f yŒŒ™G›– uvG~h{ly z|wws€U jŒŠ’G G–•G U ABNORMAL SOUND pšG›ŒG”–›–™G‰–“›G f zŒŠœ™ŒG›Œ U €Œš pšG“˜œ‹G V V G—œ›G•G›ŒG u G–G›ŒG‹™ˆžŒ™f wœ›G›G•G - LG WM8500HVA | Service Manual - Page 34
34 - LG WM8500HVA | Service Manual - Page 35
`TYUGkvvyGsvjrGz~p{joGhzzltis€ j™Šœ›G•G›ŒGthpuGw~iGVG~™•ŽGkˆŽ™ˆ” thpuGw~i }‹Š tpjvt XY} X [ X [ zvsluvpk X X €s Y Y Z Y Z is yk Z [ [[ ir \ w{j Y Z Y Z uh[ }ˆŠ yŒ“ˆ yŒ“ˆ hj j–””–• –Gˆ“Œ w{j m k––™Gšž›Š {ŒG‹––™G“–Š’Gšž›ŠG G G–GˆG Gw{jSGˆG - LG WM8500HVA | Service Manual - Page 36
yŒšœ“› O\P OZP O[P OYP {Œš›Gw–•›š OYPG›–GO[P OZPG›–GO[P O[PG›–GO\P OYPG›–GO[P yŒšœ“› ^WWTX\WW7G ]WT`W7G p XYWG}ˆŠ y h›G^^¶mGOY\¶jP h›G^^¶mGOY\¶jP Gp•—œ› Z6 - LG WM8500HVA | Service Manual - Page 37
9-3. STATOR ASSEMBLY MOTOR Wiring diagram Circuit in the MAIN PWB / Wiring Diagram MAIN PWB Ha Hb MICOM 12V 1 1 WH 2 3 2 3 RD BL 44 GY NA1NA 4 4 WH 3 2 3 2 RD BL 11 GY 3 3 YL 2 1 2 1 BL RD 55 44 33 22 11 33w 2 1 2 1 u v GND Hb Ha uv w IPM w v u 3 3 YL BL 22 11 RD - LG WM8500HVA | Service Manual - Page 38
(2) (4) (1) (3) (5) If measuring voltage from the Main PCB Assembly to 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 - LG WM8500HVA | Service Manual - Page 39
{Œš›Gw–•›G ˆ•‹G ^U {–G G–œ›—œ›GšŽ•ˆ“G G™–”G›ŒGˆ““GšŒ•š–™SG G”–ŒG G›–G GXG›–G[SG‰“œŒGˆ•‹GŽ™ˆ UGz“–ž“ G™–›ˆ›ŒG”–›–™G™–›–™G‰ Gˆ•‹UG €–œGš–œ“‹G™Œˆ‹GˆG GXW}kj UGpGXWG}kj šG G™–”GXG›–G[SG G–•G‰“œŒGž™ŒG›–G™Œ‹Gž™ŒSG GYUGyŒ—Œˆ›G G”–›–™G™–›–™G‰ Gˆ•‹U €–œGš–œ“‹G™Œˆ‹GˆG GXW}kj - LG WM8500HVA | Service Manual - Page 40
`T[UGw|twGtv{vyGhzzltis€ j™Šœ›G•G›ŒGthpuGw~i pj tpjvt \} X yY }‹Š [ yŽ jŽ Z yš jš wœ”—Gk™•ŽG wji jvuulj{vy w|tw ~™•ŽGkˆŽ™ˆ” thpuGw~i uhY isZ XYZ[ XYZ XYZ[ XYZ iu ir zi }ˆŠ zi Z Y X Z YX ir zi iu kyhpu jpyj|sh{pvu w|tw w|tw v‰‘ŒŠ› m m–™Gk™ˆ• m–™Gj - LG WM8500HVA | Service Manual - Page 41
`T\UGpusl{G}hs}lGhzzltis€ j™Šœ›G•G›ŒGthpuGw~i }‹Š yŽ jŽ pj tpjvt yš }ˆŠ jš p•“Œ›Gˆ“ŒG G wji jvuulj{vy ~™•ŽGkˆŽ™ˆ” pusl{ }hs}l tphuGw~i X Y Z [ uh[ XYZ [ ~o ZY ZY }{ X isZ X XY Z XY Z jvttvu n€ €s OirP [ uhY [ is uh is is yk XYG G XG Y G X Y G G X YG GG GG - LG WM8500HVA | Service Manual - Page 42
m|zl Tab Relay Heater driving circuit STEAM GENERATOR HEATER WASH HEATER m XU {ŒGžˆšGŒˆ›Œ™GšG G›–G™ˆšŒG›ŒGžˆšGžˆ›Œ™G›–G›ŒG G G‹œ™•ŽG GžˆšGŠ Š“ŒšU YU {ŒGš›Œˆ”G GŒˆ›Œ™GšG G›–G”ˆ’ŒGš›Œˆ”G‹œ™•ŽGš›Œˆ”GŠ Š“ŒšU {Œš›G—–•›š OYP yŒšœ“› OYP OXP ~ˆšGoŒˆ›Œ™ ~ˆšGoŒˆ›Œ™ {Œš›Gw - LG WM8500HVA | Service Manual - Page 43
`T^UG{olytpz{vyGhzzltis€ Circuit in the MAIN PCB / Wiring Diagram uhZ XX YY ZZ is [[ ~o \ \ ]] \} y y j j \} ~o XY XY y y j j thpuGw~i tpjvt ~hzo {olytpz{vy m {ŒG GO GšŒ•š–™PGšGœšŒ‹G›–G Gžˆ›Œ™G G•G›ŒG›œ‰ –™Gš›Œˆ”G U OXP OYP ~ˆšG 43 - LG WM8500HVA | Service Manual - Page 44
Result Wash 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 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) - LG WM8500HVA | Service Manual - Page 45
CONTROL PANEL 45 - LG WM8500HVA | Service Manual - Page 46
MAIN PWB ASSEMBLY 1 Disconnect the POWER connector and the pressure switch assembly. 2 Remove the protective cover. PROTECT COVER 3 Disconnect the connectors. 4 Unscrew 1 screw on the back. 5 Remove the main PWB. 46 - LG WM8500HVA | Service Manual - Page 47
DISPENSER ASSEMBLY NOISE FILTER 47 - LG WM8500HVA | Service Manual - Page 48
jhipul{Gjv}ly X G›ŒG\GšŠ™ŒžšG™–”Gœ——Œ™G–G GŠ–Œ™U Y G›ŒGšŠ™ŒžG™–”G“›Œ™GŠ–Œ™U Z wœ›GˆG“ˆ›GOGTGPG G–™G—œ›› G’•ŒG•›–G Gš“–›šGˆ›G›ŒG‰–››–”G–G›ŒGŠ–Œ™Gˆ•‹G—™ ›G–œ›U G›ŒGšŠ™ŒžG™–”G›ŒG“–žŒ™Gš‹ŒG–G GŠ–Œ™U 48 - LG WM8500HVA | Service Manual - Page 49
\ v—Œ•G›ŒG‹––™U ] k G›ŒGŠ“ˆ”—G U ^ {“›G›ŒG GŠ–Œ™U _ k G›ŒG‹––™Gšž›ŠG U uv{lGaG~Œ•G G›ŒG jhipul{Gjv}lySG G›ŒG‹––™G U ` s›Gˆ•‹G G›ŒG GŠ–Œ™U XW k G›ŒGŠ“ˆ”—G U XX k G›ŒGŽˆš’Œ›U 49 - LG WM8500HVA | Service Manual - Page 50
DOOR Unscrew the 6 hexgon head screws from the cabinet cover. (Use the 13mm tool) DOOR LOCK SWITCH ASSEMBLY NOTE • Reconnect the connector after replacing the DOOR SWITCH ASSEMBLY. 50 - LG WM8500HVA | Service Manual - Page 51
BELLOWS HEATER THERMISTOR 1 Disassemble the cabinet cover. 2 Separate the pump hose, the bellows, the circulation hose assembly from the pump assembly. 3 Disassemble the pump assembly. 1 Disassemble the cabinet cover. 2 Separate 2 connectors from the heater. 3 Loosen the nut and pull out the - LG WM8500HVA | Service Manual - Page 52
WHEN FOREIGN OBJECT IS STUCK BETWEEN DRUM AND TUB 1 Disassemble the cabinet cover. 2 Separate the heater from the tub. 3 Remove any foreign objects (wire, coin, etc.) by inserting a long bar in the opening. LAMP ASSEMBLY TOP PLATE ASSEMBLY 1 Unscrew 2 screws on the back of the top plate. 2 Pull - LG WM8500HVA | Service Manual - Page 53
tv{vyVkhtwly y–›–™ i–“› X k G›ŒG‰ˆŠ’GŠ–Œ™U Y yŒ”–ŒG›ŒG‰–“›U Z wœ““G–œ›G›ŒG™–›–™U X G›ŒGYGšŠ™ŒžšG™–”G›ŒG›œ‰G U Y yŒ”–ŒG›ŒG]G‰–“›šG–•G›ŒGš›ˆ›–™U Z |•—“œŽG›ŒGYG G™–”G›ŒGš›ˆ›–™U opunlS khtwly khtwly X k G›ŒG‹ˆ”—Œ™G•ŽŒšG™–”G›ŒG G‰ˆšŒU uv{l ˍ ~Œ•G G SG G›Œ”GˆšG - LG WM8500HVA | Service Manual - Page 54
A130 A134 A133 A390 A131 A310 A303 A300 A200 54 "The following parts are not illustrated" Description *Owner's Manual Loc No. G001 *Energy Label G002 *Service Manual Printed materials *Label,Circuit *Quick Start Guides G004 G005 G006 *Installation Sheet G007 *Non-Skid Pads G010 F215 - LG WM8500HVA | Service Manual - Page 55
11-2. DRUM & TUB ASSEMBLY K351 K350 K361 K143 K123 F140 K411 K410 K110 K111 K140 K571 K142 K572 K570 K320 K360 K610 K115 K141 K611 K513 K130 K530 K117 F310 F463 F464 K516 F315 F465 K190 K122 K125 F360 K510 K512 K340 K344 K131 K346 K349 F365 K345 K135 K342 K347 K348 F145 - LG WM8500HVA | Service Manual - Page 56
F300 F227 F226 F220 A275 A276 F323 F322 F462 F340 F225 F327 F321 Inlet Valve Filter SVC F180 F170 F160 F329 F430 F441 F120 F130 F432 56 - LG WM8500HVA | Service Manual - Page 57
OCT. 2009 PRINTED IN KOREA P/No.: MFL67307903 69
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