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LG LD-2040W1 Service Manual

Dishwasher
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DISHWASHER
SERVICE MANUAL
NOTE
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
MODEL : LD-2040W1
LD-2040M1

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Summary of Contents for LG LD-2040W1

  • Page 1 DISHWASHER SERVICE MANUAL NOTE BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES. MODEL : LD-2040W1 LD-2040M1...
  • Page 2 - 3 -...

  • Page 3: Table Of Contents

    CONTENTS 1. CAUTION......................... 4 2. SPECIFICATIONS ......................5 3. PARTS NAME ........................6 4. FEATURES & TECHNICAL EXPLANATION ..............7 5. WIRING DIAGRAM...................... 10 6. PROGRAM CHART (SCHEMATIC DIAGRAM) ............11 7. HOW TO DISASSEMBLE .................... 12 8. TROUBLE SHOOTING METHODS ................22 A.

  • Page 4: Caution

    CAUTION ! � DISCONNECT POWER CORD BEFORE SERVICING �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 5: Specifications

    2. SPECIFICATION SPECIFICATION ITEM Rated Voltage / Frequency AC 240V/50Hz Installation Free Standing Place Settings Product Dimension(mm) 600(W)× 600(D)× 850(H) Product Weight(Kg) Door Color Stainless Steel Tub Material Stainless Steel Control Electronic Rated Power(Watt) 2,210 Heater Power(Watt) 2,100 Programs Upper Rack Sliding Adjustable, Nylon Coating Lower Rack 50% Fold down, Nylon Coating...

  • Page 6: Parts Name

    3. 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 7: Features & Technical Explanation

    4. FEATURES & TECHNICAL EXPLANATION 4-1 New Technology Introduction 4-1-1. High Temperature Rinsing (Extra Hot function) • During the high temp. Rinse course, water temperature in an dishwasher reaches 77°C, considerably higher than the average rinse temperature in conventional dishwashers(65°C). This is how Rinse 77°C can eliminate some bacteria such as salmonella.

  • Page 8: Delay Start

    4-2 Display Panel DELAY START POWER SWITCH REMAINING TIME HALF LOAD BUTTON BUTTON • If you want to delay • In case of small load, use upper • Indication of • For operating, press this the start of selected or lower rack only to save remaining time button first for power program, press this...
  • Page 9 4.3 TEST MODE CHECK PROGRAM(START IN THE STATE OF THE CLOSED DOOR) The number of BUTTON DISPLAY Load and Checking points Door pushing button Half Load + Rinse All LEDs are lighting closed 1 TIME n : 1H ?? U100 + POWER S/W All LEDs are lighting 1 TIME...

  • Page 10: Wiring Diagram

    5. WIRING DIAGRAM - 10 -...

  • Page 11: Program Chart(Schematic Diagram)

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

  • Page 12: 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 13: Door Assembly

    4. Balance weight 1) Remove side 4 screws. 2) Lift the balance weight. 5. Door Assembly 1) Front Cover ① Open the door. ② Remove 6 screws(stainless). ③ Close the door slowly and remove front cover downwards. 2) Control Panel Assembly ①...
  • Page 14 3) Fan ① Open the door. ② Remove the air duct. ③ Remove the wire connections. ④ Remove the outer cover by removing 1 screw. ⑤ Remove 2 fixing screws inside and turn the Inner Cover counterclockwise. 4) Detergent Dispenser ①...

  • Page 15: Tub Assembly

    6. Base spacer ① Remove 4 screws. ② Lift the front side of dishwasher and pull the base spacer forward. 7. Tub assembly 1) Nozzle ① Pull up the nozzle. 2) Filter Assembly Inner filter ① Turn inner filter counterclockwise and lift inner filter and middle filter.
  • Page 16 4) Tub ① 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. ② Remove 4 screws for sump holder . ③ Remove side 8 screws. ④...
  • Page 17 10. C-Base Assembly 1) synchronous motor ① Remove the 2 screws. ② Lift the cam upward. ※ Be careful not to install upside down. (part number on the cam should face the motor.) 2) Vario valve ① Remove 4 screws and lift the cover upward.
  • Page 18 5) Inlet Valve ① Remove 2 screws. 6) Drain Hose ③ ① Press the rear side hook. ② Pull the holder forward. ② ③ Pull the holder upward. - 18 -...
  • Page 19 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 12) 2. Low Cover �See 7-1. 2. (Page 12) 3. Cabinet-R/L �See 7-1. 3. (Page 12) 4. Air Guide ①...
  • 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 or Aquastop ※ 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. you may refer to 7-1. 10. 2)~6) ※...

  • 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 �a) Close the Water Tap.
  • Page 23 POSSIBLE CAUSE ERROR MESSAGE REMEDY FOR ERROR OCCURRENCE EXCESS ERROR �The Inlet Valve is troubled. �Replace the Inlet Valve. displayed �The Air Break is troubled. �Replace the air breaker. Condition �The Sensor Assembly is troubled. �Replace the sensor assembly. Excessive water is sup- �The Controller is troubled.

  • 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.) - 27 -...

  • 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 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 31 Drain Hose Extension ■ Drain Hose extension kits are available from through your local service centre. Extend drain Hose as shown below. 200 mm Max. Sink Copper pipe fl 20mm flared at drain nose and other end if required. Use the couplings for connections when you extend drain hose.

  • Page 32: Exploded View

    10. EXPLODED VIEW A276 - 32 -...
  • Page 33 EXPLODED VIEW A001 A002 F008 A020 A010 A050 A090 A080 A146 A147 A145 A142 A152 A070 A150 A140 A110 A060 - 33 -...
  • Page 34 EXPLODED VIEW - TUB ASSEMBLY F040 F060 F011 F050 F013 F022 F110 F171 F113 E001 F117 F111 F112 F142 F132 F004 F141 F011 F191 F174 F183 F182 F181 F210 F013 F113 F117 F111 F118 - 34 -...
  • Page 35 PANEL ASSEMBLY / DOOR ASSEMBLY K230 K251 K260 K262 K205 K252 K208 K209 K203 K202 K201 K204 K010 K002 K122 K123 K001 K101 K003 K121 K124 K110 - 35 -...
  • Page 36 EXPLODED VIEW - BASE ASSEMBLY A131 A130 F072 M210 M230 M250 M023 A030 M280 M270 A040 M260 - 36 -...
  • Page 37 EXPLODED VIEW - SUMP ASSEMBLY M001 M072 M073 M070 M071 M074 A120 M005 M006 M024 M026 M028 M025 M031 M080 M083 M086 M027 M051 M029 M008 M018 M060 M002 M062 - 37 -...
  • Page 38 MEMO - 38 -...
  • Page 39 MEMO - 39 -...
  • Page 40 P/No. : 3828DD3007M...

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Ld-2040m1

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