LG LD-2040WH Service Manual
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LG LD-2040WH Service Manual

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DISHWASHER
SERVICE MANUAL
NOTE
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
MODEL : LD-2040WH/LD-2040SH/LD-2040MH

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Summary of Contents for LG LD-2040WH

  • Page 1 DISHWASHER SERVICE MANUAL NOTE BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES. MODEL : LD-2040WH/LD-2040SH/LD-2040MH...

  • Page 2: Table Of Contents

    CONTENTS 1. CAUTION......................... 4 2. SPECIFICATIONS ......................5 3. FEATURES & TECHNICAL EXPLANATION ..............6 4. PARTS NAME ........................ 11 5. WIRING DIAGRAM...................... 12 6. PROGRAM CHART (SCHEMATIC DIAGRAM) ............13 7. HOW TO DISASSEMBLE .................... 15 7-1. FULL DISASSEMBLE ..................15 7-2.

  • Page 3: Caution

    CAUTION ! � DISCONNECT POWER CORD BEFORE SERVING � RECONNECT ALL GROUNDING DEVICES IMPORTANT SAFETY NOTICE ! This service information is intended for individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair this appliance may result in personal injury and property damage.

  • Page 4: Specifications

    2. SPECIFICATION SPECIFICATION ITEM Rated Voltage / Frequency AC 220V/50Hz Installation Free Standing / Built-In Place Settings Product Dimension(mm) 600(W)× 600(D)× 850(H) Product Weight(Kg) Door Colour White / Silver Tub Material Stainless Steel Control Electronic Rated Power(Watt) 2,180 Heater Power(Watt) 2,070 Programs Upper Rack Position...

  • Page 5: Features & Technical Explanation

    3. FEATURES & TECHNICAL EXPLANATION 3-1 New Technology Introduction 3-1-1. Turbo Fan Drying System • Turbo fan drying system expels out hot and humid air to enhance quick and effective drying. • With air mixing vent system, it expels out low temp.

  • Page 6: Half Load

    3-2. Display Panel REMAINING TIME SAVE HALF LOAD CHILD LOCK TIME �Indication of �This function is for �In case of small load, �Used to lock or unlock remaining time saving time and use upper or lower rack the control buttons to energy.
  • Page 7 3.3 TEST MODE CHECK PROGRAM(START IN THE STATE OF THE CLOSED DOOR) The number of BUTTON DISPLAY Load and Checking points pushing button Delay start + Rinse 1 TIME n : 0H All LEDs are lighting + POWER S/W Delay Start Key 1 TIME 11 : 11 All LEDs are lighting...

  • Page 8: Parts Name

    4. PARTS NAME 1. Vapor vent 11. Adjust Leg 2. Control Panel 12. Upper Rack 3. Door Handle 13. Cutlery Rack 4. Front Cover 14. Detergent & Rinse Aid Dispenser 5. Lower Cover 15. Vapor Vent Cover 6. Process Monitor 16.

  • Page 9: Wiring Diagram

    5. WIRING DIAGRAM � � Non Air mixing Blower - 10 -...

  • Page 10: Program Chart(Schematic Diagram)

    6. PROGRAM CHART(SCHEMATIC DIAGRAM) - 11 -...

  • Page 11: How To Disassemble

    7. HOW TO DISASSEMBLE BEFORE DISASSEMBLING THE DISHWASHER ; 1) Remove the plug from electric outlet to avoid electric shock. 2) Close the Water Tap(faucet). 3) Remove all dishes and items in the dishwasher. 4) Remove the Lower Rack and the Upper Rack. 5) In case of the water softner assembly model, open the water softner cap to flow out the water to sump and drain to avoid the floor wet.

  • Page 12: Door Assembly

    4. Balance weight 1) Remove side 4 screws. 2) Lift the balance weight. 5. Door Assembly 1) Front Cover Open the door. Remove 6 screws(stainless). Close the door slowly and remove front cover downwards. 2) Control Panel Assembly Open the door. Remove 4 screws(stainless).
  • Page 13 3) Fan(Not on all models) Open the door. Remove the wire connections. Cover Remove the outer cover by removing 1 Detergent Inner screw. Dispenser Cover Remove 2 fixing screws inside and turn the Inner Cover counterclockwise. 4) Detergent Dispenser Door Liner Close the door.

  • Page 14: Tub Assembly

    6. Base spacer Remove 4 screws. Lift the front side of dishwasher and pull the base spacer forward. 7. Tub assembly 1) Nozzle Pull up the nozzle. 2) Filter Assembly Inner filter Turn inner filter counterclockwise and lift inner filter and middle filter. Middle filter You can disassemble inner filter and Micro filter...
  • Page 15 4) Tub Turn the air guide nut counter-clockwise. (Special tool might be needed.) Be careful the rubber packing of air guide assembly should not be lost. Turn the softner cap and nut counter- clockwise. Remove 4 screws for sump holder . Remove side 8 screws.
  • Page 16 10. C-Base Assembly 1) Remove the screw which tighten washing motor and base. 2) Lift them upward. Be careful not to wet the floor by the water left in the sump. 3) Detach the washing motor and heater assembly by pulling opposite direction to sump.
  • Page 17 8) Noise filter Remove 1 screw. 9) Power cord assembly Turn the power cord assembly 90º and take it off. 10) Aquastop(Not on all models) Press the holder hook as shown in figure. Pull the hose assembly. 10) Inlet valve(on applicable models) Remove 2 screws.
  • Page 18 11) Drain Hose Press the rear side hook. Pull the holder forward. Pull the holder upward. 12) Relay Remove 2 screws. - 19 -...

  • Page 19: Disassemble C-Base Assembly

    7-2. DISASSEMBLE C-BASE ASSEMBLY Be careful not to be injured by the sharp edge of tub. 1. Top Plate See 7-1. 1. (Page 15) 2. Low Cover See 7-1. 2. (Page 15) 3. Cabinet-R/L See 7-1. 3. (Page 15) 4. Air Guide Disconnect 3 hoses assembly.
  • Page 20 6. Remove the side screws 1) Remove side 8 screws. 2) Remove 2 Earth screws of right side. 3) Remove 1 motor bracket screw. 4) Lift base upward slightly. (You can’t lift up base perfectly because of some parts connecting to base.) 7.
  • Page 21 4) Disconnect wire from the inlet valve. (Aquastop) Now, you can remove the base from the tub perfectly. 5) Disconnect wire from the relay. Now, you can remove the base from the tub perfectly. 8. C-Base Assembly You can repair the parts in the C-Base like heater case, washing pump, drain motor etc.

  • Page 22: Trouble Shooting Methods

    8.TROUBLE SHOOTING METHODS A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE POSSIBLE CAUSE ERROR MESSAGE REMEDY FOR ERROR OCCURRENCE The Water Tap is not opened. Open the Water Tap. INLET ERROR The Inlet Hose is kinked. Repair the Inlet Hose. The Filter of inlet valve clogged by a) Close the Water Tap.

  • Page 23: Error Message

    POSSIBLE CAUSE ERROR MESSAGE REMEDY FOR ERROR OCCURRENCE EXCESS ERROR The Inlet Valve is troubled. Replace the Inlet Valve. The Air Break is troubled. Replace the air breaker. The Sensor Assembly is troubled. Replace the sensor assembly. displayed The Controller is troubled. Repair or replace the Controller.

  • Page 24: Trouble Diagnoses And Repair By Symptom

    B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM No Power on when the power button pressed. • Insert the Plug Correctly. The plug is correctly inserted in the • Check the electricity is failed or not. Socket-Outlet? The Fuse or • Replace the Fuse or Circuit Breaker of house. Circuit Breaker of house is O.K? The Thermal Fuse...
  • Page 25 The Wash Pump/Motor does not run. • Close the Door Tightly. The Door is tightly • Check the Door Switch in Latch Handle. closed? The Pump/Motor is • Remove the cause of block or replace the Pump/Motor. not blocked? The circuit of Pump/ •...
  • Page 26 Washing Results are not Satisfactory After washing, are there still ㆍ Reduce the amount of Rinse-Aid White deposits or streaks on (for Streak) the dishes? ㆍ Does salt refill lamp blink? (Refill salt) After washing, are there still food soils on the dishes? Check that : - the amount of detergent Correctly used or not - Filters clogged or not.
  • Page 27 Power Button not automatically off after operation. Check the button is blocked by foreign materials. Check the Power Switch.(Replace it, if necessary.) Check the Controller.(Replace it, if necessary.) - 28 -...

  • Page 28: Installation Instruction

    9. INSTALLATION INSTRUCTION Step1: Prepare Cupboard opening 1. This dishwasher is designed to fit to the size shown as below. 2. Select a location as close to sink as possible for easy connections to water and drain lines. 3. The dishwasher should not be installed more than 3 meters from sink for proper drainage. 4.
  • Page 29 Step 2 : PREPARE ELECTRICAL WIRING CAUTION For personal safety, remove house fuse or open circuit breaker before installation. Do not use an extension cord or adapter plug with this appliance. Electrical and grounding connections must comply with the national electrical code/provincial and municipal code and/or other local codes.
  • Page 30 Step 4 : INSTALL THE DISHWASHER IN CUPBOARD 1. Before sliding the dishwasher into the cupboard opening, all necessary final height adjustment and balancing adjustment should be done using the spanner. 2. Slide the dishwasher into the cabinet opening carefully. Make sure that the drain hose inside the cabinet should not be kinked or exceeded.
  • Page 31 Step 5 : DRAIN LINE CONNECTION 1. If the end drain hose does not fit to the drain line, use a piece of rubber connector (not supplied) that must be resistant to heat and detergent and may be obtained from a plumbing shop. 2.
  • Page 32 Drain Hose Extension ■ Drain Hose extension kits are available from through your local service centre. Extend drain Hose as shown below. Step 6 : WATER SUPPLY CONNECTION 1. Connect the water supply hose to the valve behind dishwasher Water tap and the water tap as shown in figure.

  • Page 33: Exploded View

    10. EXPLODED VIEW A276 *006 - 34 -...
  • Page 34 EXPLODED VIEW A001 A090 A080 A156 A002 A155 A020 A150 F008 A090 A080 A050 A152 A070 A010 A060 A110 A147 A146 A140 A145 A142 ※ The appearance and specifications may be varied without notice according to localities. - 35 -...
  • Page 35 EXPLODED VIEW - TUB ASSEMBLY F040 F060 F050 F011 F013 F022 F110 F171 F142 F113 F117 F111 F112 F141 F004 F132 F011 F191 F174 F183 F182 F181 F210 F013 F113 F117 F111 F118 - 36 -...
  • Page 36 EXPLODED VIEW - PANEL ASSEMBLY / DOOR ASSEMBLY K251 K252 K230 K260 K205 K262 K208 K203 K209 K202 K204 K201 K123 K122 K001 K010 K101 K124 K110 K003 K121 K002 - 37 -...
  • Page 37 EXPLODED VIEW - BASE ASSEMBLY F036 F037 M230 F035 F031 F034 A130 F032 A276 M250 M023 A030 M280 M270 A040 F072 M210 M260 F021 - 38 -...
  • Page 38 EXPLODED VIEW - SUMP ASSEMBLY M001 M072 M073 M070 M071 M074 A120 M005 M006 M024 M026 M028 M090 M025 M031 M080 M083 M086 M010 M027 M087 M051 M029 M008 M018 M060 M002 M062 - 39 -...

This manual is also suitable for:

Ld-2040shLd-2040mh

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