LG LD-4080W Service Manual
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LG LD-4080W Service Manual

LG LD-4080W Service Manual

Dishwasher
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P/No. : 3828ED3001Y

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Summary of Contents for LG LD-4080W

  • Page 1 P/No. : 3828ED3001Y...

  • Page 2: Table Of Contents

    CONTENTS 1. CAUTION......................... 4 2. SPECIFICATIONS ......................5 3. FEATURES & TECHNICAL EXPLANATION ..............6 4. PARTS NAME ........................9 5. WIRING DIAGRAM...................... 10 6. PROGRAM CHART (SCHEMATIC DIAGRAM) ............11 7. HOW TO DISASSEMBLE .................... 12 7-1. FULL DISASSEMBLE ..................12 7-2.

  • Page 3: 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 4: Specifications

    2. SPECIFICATION SPECIFICATION ITEM Rated Voltage / Frequency AC 220V/50Hz AC 230V/50Hz AC 240V/50Hz Installation Free Standing / Built-Under / Built-In Place Settings Product Dimension(mm) 600(W)× 600(D)× 850(H) / 598(W)× 576(D)× 817(H) / 598(W)× 562(D)× 817(H) Product Weight(Kg) 56 / 50 / 48 Door Colour White / STS Tub Material...

  • Page 5: Features & Technical Explanation

    3. FEATURES & TECHNICAL EXPLANATION 3-1 New Technology Introduction 3-1-1. High Temperature Rinsing • 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 6: Child Lock

    3-2. Display Panel CHILD SPRAY PROGRAM TIME DELAY LOCK INTENSITY • Used to lock or • When you want to • With each press, the • If you want to delay the start unlock the select program, press level of water jet is of selected program, press control buttons each button.
  • 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 DOOR Pushing button Intensive+Auto 1 TIME All LEDs are Lighting not concerned +POWER S/W Intensive KEY 1 TIME Spray Intensity “Strong” LED is Lighting not concerned Auto KEY 1 TIME...

  • Page 8: Parts Name

    4. PARTS NAME 1. Control Panel 11. Adjust Leg 2. Handle deco 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. Side Cabinet deco 16.

  • Page 9: Wiring Diagram

    5. WIRING DIAGRAM 1. Fan dry - 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. Cabinet-R/L 1) Cabinet-R Remove front 3 screws. Remove rear 3 screws. 2) Cabinet-L Remove front 3 screws. Remove rear 3 screws. 5. Balance weight 1) Remove side 4 screws. 2) Lift the balance weight. 6. Door Assembly 1) Front Cover Open the door.
  • Page 13 3) Fan(Not on all models) Open the door. Cover Remove the wire connections. Remove the outer cover by removing 1 Inner Detergent Cover screw. Dispenser Remove 2 fixing screws inside and turn the Inner Cover counterclockwise. 4) Detergent Dispenser Close the door. Door Liner Remove the wire connections.

  • Page 14: Tub Assembly

    7. Base spacer Remove 4 screws. Lift the front side of dishwasher and pull the base spacer forward. 8. 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 6) synchronous motor Remove the 2 screws. Lift the cam upward. Be careful not to install upside down. (part number on the cam should face the motor.) 7) Vario valve Remove 4 screws and lift the cover upward. Lift the vario valve upward. 8) Capacitor Remove 1 screw.
  • Page 17 10) Power cord assembly Turn the power cord assembly 90º and take it off. 11) Aquastop(Not on all models) Press the holder hook as shown in figure. Pull the hose assembly. 11) Inlet valve(on applicable models) Remove 2 screws. 12) Drain Hose Press the rear side hook.

  • Page 18: 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 12) 2. Low Cover See 7-1. 2. (Page 12) 3. Cabinet-R/L See 7-1. 3. (Page 12) 4. Air Guide Disconnect 3 hoses assembly.
  • Page 19 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 20 4) Disconnect wire from the inlet valve. (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)~10) (Page 17~18) Don’t disassemble sump by 7-2.

  • Page 21: 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 22 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- Repair or replace the Controller.

  • Page 23: Trouble Diagnoses And Repair By Symptom

    B. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM No Power on when the power button pressed. The plug is correctly • Insert the Plug Correctly. inserted in the • Check the electricity is failed or not. Socket-Outlet? The Fuse or Circuit Breaker •...
  • Page 24 The Wash Pump/Motor does not run. • Close the Door Tightly. The Door is tightly • Check the Door Switch in Control Panel. closed? The Pump/Motor is • Remove the cause of block or replace the Pump/Motor. not blocked? The circuit of Pump/ •...
  • Page 25 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 26 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 27: 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 28 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 29 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 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. 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 32: Exploded View

    10. EXPLODED VIEW ACCESSORIES ※ The appearance and specifications may be varied without notice according to localities. - 33 -...
  • Page 33 EXPLODED VIEW - 34 -...
  • Page 34 EXPLODED VIEW - TUB ASSEMBLY - 35 -...
  • Page 35 EXPLODED VIEW - PANEL / DOOR ASSEMBLY - 36 -...
  • Page 36 EXPLODED VIEW - BASE ASSEMBLY - 37 -...
  • Page 37 EXPLODED VIEW - SUMP ASSEMBLY - 38 -...

  • Page 38: Replacement Part List

    11. REPLACEMENT PART LIST CAUTION : BEFORE REPLACING ANY OFTHESE COMPONENTS. READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL NOTE : S(SAFETY PARTS), AL(ALTERNATIVE PARTS) LG MODEL: LD-4080T.ASTREAP Run_Date : 2005-03-14 YOUR MODEL: LD-4080T.ASTREAP SPECIFICATION: 240V 50Hz DESC PART No.
  • Page 39 PART NAME PART No. SPEC&COLOR Q'ty K002 BRACKET ASSEMBLY 4810FD3805A K003 PACKING 3940FD4149A K005 HANDLE 3650DD2002A K006 DECO,HANDLE 3806DD3002A K007 SUPPORTER,HOLDER 4980DD1001A K010 COVER,FRONT 3550ED1010B K030 COVER ASSEMBLY,FRONT 3551DD1001D K110 BLOWER ASSEMBLY 5835FD2111G K121 BLOWER,IMPELLER 5834FD3095A K122 BLOWER,IMPELLER 5834FD3101A K123 BLOWER,IMPELLER 5834FD3100A K201...
  • Page 40 MEMO - 41 -...
  • Page 41 MEMO - 42 -...
  • Page 42 MEMO - 43 -...
  • Page 43 DISHWASHER SERVICE MANUAL NOTE BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES. MODEL : LD-4080W/LD-4080T MODEL : LD-4080WB/LD-4080TB MODEL : LD-4080WU/LD-4080TU...

This manual is also suitable for:

Ld-4080wbLd-4080tLd-4080tuLd-4080tbLd-4080wu

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