LG WM8000H*A Service Manual
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LG WM8000H*A Service Manual

Washing machine
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Summary of Contents for LG WM8000H*A

  • Page 2: Table Of Contents

    CONTENTS Specifications ............................ 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.

  • Page 3: Specifications

    SPECIFICATIONS WM8000H*A COLOR W : White, V : Stainless Silver POWER SUPPLY AC 120 V, 60 Hz PRODUCT WEIGHT 225 lb (102 kg) WASHING 280 W ELECTRIC POWER DRAIN MOTOR 80 W CONSUMPTION WASH HEATER 1000 W REVOLUTION WASH 46 rpm...
  • Page 4 2. FEATURES & TECHNICAL EXPLANATION 2-1. FEATURES Ultra Capacity The larger drum enables not only but also less tangling and wrinkling of the laundry. Heavier loads, such as king size comforters, blankets, and curtains, can be washed. Direct Drive System The advanced brushless DC motor drives the drum directly, without belt or pulley Tilted Drum and Extra Large Door Opening Tilted drum and extra large opening make it possible to load and unload clothing...

  • Page 5: Water Level Control

    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 rinsing time washing FUZZY temperature...

  • Page 6: Child Lock

    2-5. THE DOOR CAN NOT BE OPENED While program is operating. During a power failure or if the machine is unplugged while running. While door Lock lights turn on. Wile the drum is still turning, even if the machine has been stopped or paused. 2-6.
  • Page 7 NCLUED PTIONAL...
  • Page 11 WM8000H*A...
  • Page 13 Spin Speed Soil Level...

  • Page 15: Special Functions

    The option buttons also activate special functions, including CHILD LOCK, DRUM LIGHT, FRESH CARE, and PGM SAVE. Press and hold the option button marked with the special function for 3 seconds to activate. FRESH CARE Use this option to make laundry less stressful by intermittent tumbling action. This option helps to reduce moisture in the load.
  • Page 16 PRE-WASH...
  • Page 19 SPIN SPEED SOIL LEVEL WASH/RINSE DELAY WASH...

  • Page 21: Test Mode

    ERROR SYMPTOM CAUSE • The connector (3-pin, male, white) in the MOTOR LOCKED MOTOR HARNESS is not connected to the connector (3-pin, ERROR female, white) of STATOR ASSEMBLY. • The electric contact between the connectors (3-pin, male, white) in the MOTOR HARNESS and 4-pin, female, white connector in the MAIN PWB ASSEMBLY is bad or unstable.
  • Page 22 INLET VALVE ERROR...

  • Page 23: Drain Error

    DRAIN ERROR SPIN SPEED SOIL LEVEL, WASH/RINSE DELAY WASH...
  • Page 24 HEATING ERROR...
  • Page 25 LOCKED MOTOR ERROR...

  • Page 26: Door Open Error

    DOOR OPEN ERROR START/PAUSE [Note] Installation check list...
  • Page 27 UNBALANCE ERROR OVER FLOW ERROR WASH/RINSE DELAY WASH [Note] Installation check list...
  • Page 28 PRESSURE SENSOR ERROR MAIN PWB...

  • Page 29: Troubleshooting

    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 DISPLAY ASSEMBLY.
  • Page 30 BUTTON DOESN’T WORK...
  • Page 33 LIQUID DETERGENT/SOFTENER/ ABNORMAL SOUND BLEACH DOES NOT FLOW IN...

  • Page 37: Stator Assembly

    9-3. STATOR ASSEMBLY Wiring Circuit in the MAIN PWB / Wiring Diagram diagram MAIN PWB NA1NA MICOM Function 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.
  • Page 38 The hall sensor determines the speed and direction of the motor. It also can read that the load is off balance when the drum speed fluctuates. Test point - Voltage Testing Hall Sensor at Stator Result (Hall Sensor) (2) (4) (1) (3) (5) If measuring voltage from the Main PCB Assembly to the Hall Sensor, use the following steps:...

  • Page 42: Heater Assembly

    9-6. HEATER ASSEMBLY Circuit in the MAIN PWB Wiring diagram MAIN PWB (X71) (X135) (X134) X100 MICOM Heater Tab Relay STEAM Heater driving circuit WASH GENERATOR HEATER HEATER...
  • Page 43 Circuit in the MAIN PCB / Wiring Diagram...
  • Page 44 Result Wash Thermistor Test Points Result Remarks (tolerance ±5%) (1) to (2) At 86°F (30°C) 39.5 kΩ At 104°F (40°C) 26.1 kΩ 12.1 kΩ At 140°F (60°C) At 158°F (70°C) 8.5 kΩ At 203°F (95°C) 3.8 kΩ At 221°F (105°C) 2.8 kΩ...
  • Page 45 CONTROL PANEL...
  • Page 46 MAIN PWB ASSEMBLY Disconnect the POWER connector and the pressure switch assembly. Remove the protective cover. PROTECT COVER Disconnect the connectors. Unscrew 1 screw on the back. Remove the main PWB.
  • Page 47 DISPENSER ASSEMBLY NOISE FILTER...
  • 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.
  • Page 51 PUMP Disassemble the cabinet cover. CIRCULATION Separate the pump hose, the bellows, the HOSE circulation hose assembly from the pump PUMP HOSE assembly. BELLOWS Disassemble the pump assembly. HEATER Disassemble the cabinet cover. Separate 2 connectors from the heater. Loosen the nut and pull out the heater. CAUTION •...
  • Page 52 WHEN FOREIGN OBJECT IS STUCK BETWEEN DRUM AND TUB Disassemble the cabinet cover. 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. TOP PLATE ASSEMBLY Pull the top plate backward and upward as shown.
  • Page 54 “The following parts are not illustrated" Description Loc No. *Owner’s Manual G001 *Energy Label G002 *Tech Sheet G003 Printed materials *Service Manual G004 *Quick Start Guides G006 G007 *Installation Sheet M410 *Non-Skid Pa ds G010 F215 F211 A485 F210 A455 A450 F110 A104...

  • Page 55: Drum And Tub Assembly

    11-2. DRUM & TUB ASSEMBLY K350 K143 K123 K351 K361 K360 K610 F140 K611 K411 K410 K115 K141 K110 K111 K140 K117 F315 K571 K142 F310 F465 K572 K190 F463 K513 F464 K570 K122 K125 K516 K130 K320 K530 K121 K510 K512 F360...
  • Page 56 F323 F322 F462 F321 Inlet Valve Filter SVC F300 F180 F170 F160 F227 F226 F327 F340 F329 F225 F430 F220 F441 F120 A275 F130 A276 F432...
  • Page 57 MFL67307903...

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