LG LDF9810ST Service Manual
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LG LDF9810ST Service Manual

LG LDF9810ST Service Manual

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See also: Owner's Manual , Training Manual
P/No. : MFL37554802

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Summary of Contents for LG LDF9810ST

  • Page 1 P/No. : MFL37554802...
  • Page 2 DISHWASHER SERVICE MANUAL NOTE BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY FOR SAFETY AND CORRECT SERVICES. MODEL : LDF9810(ST,WW,BB), LDF9810 (ST,WW,BB) / 01...

  • Page 3: Table Of Contents

    CONTENTS 1. CAUTION......................... 3 2. SPECIFICATION......................4 3. WIRING DIAGRAM......................5 4. FEATURES & TECHNICAL EXPLANATION ..............6 5. PARTS NAME ........................ 11 6. PROGRAM CHART ..................... 12 7. HOW TO DISASSEMBLE .................... 13 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. The manufacturer or seller can not be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 5: Specification

    2. SPECIFICATION SPECIFICATION ITEM Rated Voltage / Frequency AC 120V/60Hz Installation Built-In Place Settings Product Dimension(in) 23 7/8 x 25 x 33 7/8 〃 〃 〃 Product Weight(lbs) 128lbs Door Color White, Black, Stainless Tub Material Stainless Steel Control Electronic Rated Power(Watt) 1,350 Heater Power(Watt)

  • Page 6: Wiring Diagram

    3. WIRING DIAGRAM 1. LDF9810 series - 5 -...

  • Page 7: Features & Technical Explanation

    If you raise the upper rack, you can load large dishes (Max. 14 in.) in the lower rack. The tall tub provides the clearance to handle large dishes as well as overall large capacity. LG dishwashers let you load very large items in the upper and lower racks.
  • Page 8 Dual Intensity Wash Cycle ■ ■ The spray intensity of the upper and lower racks is programmable by the consumer. You can select wash power based on soil level. For example, by selecting Soft Spray for the upper rack and Strong Spray for the lower rack, you can wash delicate items like stemware on the upper rack while washing pots and pans on the lower rack.

  • Page 9: Display Panel

    4-4. Display Panel CYCLE This cycle is for very heavily soiled loads including pots, pans, SOAK and casserole dishes, which may have cooked on food. POWER SCRUB This cycle is for normally soiled, every day loads. NORMAL This cycle is for normally soiled, every day loads. STEAM DELICATE This cycle is for washing delicate items like china or stemware.
  • Page 10 � � � � � � INDICATOR STEAM OPTION INDICATOR � Indicates that the STEAM option has been selected. The symbol will blink while steam is being injected into the dishwasher. RINSE INDICATOR It shows configuration of rinse option. The ( ) symbol indicates that sanitary rinse has been selected.
  • Page 11 4-5. TEST MODE CHECK PROGRAM The number of Door open/ BUTTON Load and Checking points pushing button Display closed Rinse + Spray 1 TIME 0n:3H/0U:00 All LEDs are lighting Both + Power Soak 1 TIME 00:00 All LEDs are lighting Both Power Scrub 1 TIME...

  • Page 12: Parts Name

    5. PARTS NAME LDF 9810 Series � Control Panel � Lower Spray Arm � Door Handle � Detergent & Rinse Aid Dispenser � Front Cover � Vapor Vent Cover ) � � Lower Cover � Tub Lamp (IllumiTub � Leveling Foot �...

  • Page 13: Program Chart

    6. PROGRAM CHART(SCHEMATIC DIAGRAM) LDF 9810 Series - 12 -...

  • Page 14: How To Disassemble

    7. HOW TO DISASSEMBLE BEFORE DISASSEMBLING THE DISHWASHER ; 1) Remove the cord 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) Remove the inlet hose and drain hose connetion to avoid the hose damages.

  • Page 15: Door Assembly

    3. Door Assembly (LDF 6810/7811/7810/8812 Series) 1) Front Cover Open the door. Remove 12 screws(stainless). 2) Control Panel Assembly Remove 2 screws(Stainless). Remove the wire connections. Control Panel Front Cover Be sure the wiring should not be changed in reassembling Remove the Latch assembly.
  • Page 16 3) Fan Assembly Inner Cover Gasket Open the Door. Remove 4 screws and a earth screw for Detergent Door Bracket. Dispenser Fan Assembly Remove the wire connector. Ramove the Air Duct. Ramove Hose with Clamp.(Some Moels) Air Vent Turn the Inner Cover counterclockwise. Hose 4) Detergent Dispenser Close the door...

  • Page 17: Lower Frame

    4. Lower Frame 1) Press the holder hook as shown in figure. 2) Remove 4 screws. Lower Frame Lead Wire Holer Lead Wire Holer Hook 5. Put the Dishwasher upside down. 6. Drain Hose Holder 1) Press the holder hook as shown in figure. 2) Pull the Drain Hose and remove the Drain Hose Holder.
  • Page 18 7. Base Cover Base Cover 1) Remove 2 screws. 2) Pull the Base Cover out. Cabinet Base 8. Harness & Hose Assembly 1) Remove the wiring connections. 2) Remove the Hose connections from Sump Assembly. You can see the information of Wiring Diagram at the back of Lower Cover.
  • Page 19 9. Cabinet Base Cabinet Base 1) Remove 8 screws. 2) Lift it upward. 10. Float Assembly 1) Press the Float hook. 2) Pull the Float Assembly Float Assembly 11. Steam Generator Steam 1) Disconnect the 3 hoses assembly. Generator 2) You can disassemble the Steam generator by removing the 2 screws.

  • Page 20: Inlet Valve

    12. Inlet Valve 1) You can disassemble the lnlet Valve by Cabinet Base removing the 2 screws. Inlet Valve 13. Air Braker Assembly 1) Disconnect the 3 hoses assembly. 2) Turn the Air Braker Nut counterclockwise. Be careful the o-ring should not be lost. Gasket Air Braker Air Braker...

  • Page 21: Sump Assembly

    14. Sump Assembly Sump Holder Remove 2 screws. Remove the Sump Holder and push the Sump Assembly down with pulling aside Hook. Be careful not to drop the Sump Assembly to the bottom. Hook Sump Assembly 1) Heater & Drain Motor Pull the Heater out of the Sump after Drain Pump releasing the nut.
  • Page 22 When you reassemble the Sump Assembly, be careful not to kink, tear and take off the seals. 15. Holder Supporter, Tub Packing and Hinge Supporter Assembly. Cutlery Rack Rail Rotate the screwdriver, after slide it into the gap between Stopper Roller and Rail Roller. You must take off Stopper Roller(F117) by –...

  • Page 23: 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 Supply Tap is closed. Take action on Water Supply INLET ERROR The Water Supply is shut off. device. The Inlet Hose is kinked. The Water Pressure is very low.
  • Page 24 POSSIBLE CAUSE ERROR MESSAGE REMEDY FOR ERROR OCCURRENCE EXCESS ERROR The Inlet Valve is troubled. Replace the Inlet Valve. The Controller is troubled. Repair or replace the Controller. displayed Condition Excessive water is sup- plied than normal water level.(Automatically drain Pump operated.) THERMAL ERROR The Inlet Water Temperature is...

  • Page 25: Steam Generator Error Message

    B. STEAM GENERATOR ERROR MESSAGE Steam Generator Error mode is not displayed in normal condition and it can be confirmed by following additional operation. To confirm steam generator error, press the DELAY START and RINSE ONLY buttons simultaneously. When Steam Generator is out of order, dishwasher operates the selected cycle without steam.

  • Page 26: Trouble Diagnoses And Repair By Symptom

    C. TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM No Power on when the power button pressed. • Re-connect the Powr connection. The Power connection is correctly connected. • Check the electricity is failed or not. The Fuse or Circuit Breaker • Replace the Fuse or Circuit Breaker of house. of house is O.K? The Power Switch or •...
  • Page 27 The Wash Pump/Motor does not run. • close the Door tightly. The Door is tightly closed? • Check the Door Switch in Latch Handle. • Re-connect the wiring connections related to the The Wiring connections is OK? Washing Motor. The Blade is not locked •...
  • Page 28 Washing Results are not Satisfactory After washing, are there still White deposits or streaks on Reduce the amount of Rinse-Aid the dishes? (for Streak) 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 29 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 30: Installation Instruction

    9. INSTALLATION INSTRUCTION Step 1: PREPARE CUPBOARD OPENING 1. This dishwasher is designed to fit a standard dishwasher opening as shown below. 1. This dishwasher is designed to fit a standard dishwasher opening as shown below. 2. Select a location as close to sink as possible for easy connections to water and drain lines. 2.
  • Page 31 Step 2: PREPARE THE ELECTRICAL WIRING W W A A R R N N I I N N G G For personal safety, remove house fuse or open circuit breaker before installation. Do not use an extension cord or adapter plug with this dishwasher. Electrical and grounding connections must comply with the national electrical code/provincial and municipal code and/or other local codes.
  • Page 32 Step 3: PREPARE THE WATER SUPPLY CONNECTION 1. This dishwasher may be connected to either hot or cold water. If the water can not be maintained below 149℉ ℉ (65℃), the dishwasher must be connected to cold water. 2. When connecting the dishwasher water line, sealing tape or compound should be used to avoid leaks.
  • Page 33 Step 5: INSTALL THE DISHWASHER IN CUPBOARD 1. Remove the Lower Cover and orient dishwasher as shown below. 2. Before sliding the dishwasher into the cupboard opening, make all necessary height adjustments using the legs. 3. Slide the dishwasher into the cabinet opening carefully. Make sure that the drain hose inside the cabinet is not kinked.

  • Page 34: Drain Requirements

    Step 6: DRAIN LINE CONNECTION 1. If the end of the drain hose does not fit to the drain line, use an adapter (not supplied) that must be resistant to heat and detergent and may be obtained from a plumbing shop. 2.
  • Page 35 Step 7: WATER SUPPLY CONNECTION 1. When connecting, sealing tape or sealing compound should be used to avoid water leaks. 2. Before connecting, turn off the water supply. Inlet Valve 3. After fitting the Elbow into the Elbow Inlet Valve, slide the Flexible Stainless Tube or Copper Tube Water Supply Tube into the Elbow.
  • Page 36 Step 9: FINAL CHECKS 1. Turn electrical power back on at the circuit breaker. 2. Turn house water supply back on. 3. Operate the dishwasher through one cycle (Quick cycle is recommended) to check for water leaks and operating conditions. 4.

  • Page 37: Exploded View

    10. EXPLODED VIEW EXPLODED VIEW F240 A008 A007 A006 F101 *005 E010 A005 A020 F001 Check the Rating A010 Model No. and refer Appendix.B A130 ACCESSORIES *005 A040 A003 - 36 -...
  • Page 38 EXPLODED VIEW - TUB ASSEMBLY F110 F113 F117 F040 F111 F060 F112 F050 F117 F022 F111 F210 F118 F230 F113 F041 F042 A301 F300 F171 F014 F011 F011 F144 F013 F013 F132 F143 UPPER RACK RAIL - LEFT F123 UPPER RACK RAIL - RIGHT M005 F121 F122...
  • Page 39 EXPLODED VIEW - BASE ASSEMBLY M086 F045 M500 F043 M210 M090 A160 M260 M301 M262 M270 M261 M300 EXPLODED VIEW - NOZZLE ASSEMBLY F192 A070 F004 A060 F005 A073 A074 A050 F191 - 38 -...
  • Page 40 EXPLODED VIEW - RACK ASSEMBLY A175 A174 A170 A171 A172 A173 A080 A165 A159 A156 A146 A150 A151 A155 A101 A102 A157 A158 A145 A103 A157 A144 A149 A140 A147 A148 A110 A142 A141 - 39 -...
  • Page 41 LDF9810ST K121 K122 K101 K110 K001 K124 K002 K005 K010 F142 F141 A120 K030 F174 LDF9810ST / 01 K100 K302 K121 K110 K122 K101 *Check the Rating Model No. and refer Appendix.A K141 Serial No. ~ 711##### 712#####~ K124 K001...
  • Page 42 EXPLODED VIEW - PANEL ASSEMBLY K260 K207 K303 K253 K215 K207 K220 K200 K252 Check the Rating Model No. and refer Appendix.B K251 - 41 -...
  • Page 43 EXPLODED VIEW - SUMP ASSEMBLY M302 M001 M038 M110 M303 M025 M130 M035 M027 M028 M120 M031 M220 M088 M034 M026 M304 M050 M007 M036 M087 M081 M060 M305 - 42 - - 42 -...

  • Page 44: 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: D1401TB Run_Date : 2007-06-20 YOUR MODEL: LDF9810ST SPECIFICATION: 120V 60Hz DESC PART No. COMMENTS *001...
  • Page 45 PART NAME PART No. SPEC&COLOR Q'ty A173 GUIDE ASSEMBLY AEC33858601 CUTLERY RACK/RIGHT A174 GUIDE ASSEMBLY AEC33858701 CUTLERY RACK/LEFT A175 HOLDER MEG38945701 CUTLERY RACK A301 SCREW,TAPTITE 1SBF0402418 LATCH LOCK E010 BUSH 4830ED4001A F001 FRAME ASSEMBLY 3211DD1001A F004 NOZZLE ASSEMBLY 5249DD2001A TOP NOZZLE F005 SHAFT,NOZZLE 4370ED3006A...
  • Page 46 PART NAME PART No. SPEC&COLOR Q'ty K122 COVER,BLOWER 3550ED3011A K124 VENT MJZ36939301 K200 PANEL ASSEMBLY,CONTROL AGL33667101 K207 COVER,GUIDE MCK40133201 CYCLE K215 COVER,GUIDE MCK40228201 DISPLAY K220 NAME PLATE ASSEMBLY AFZ34353901 K251 PCB ASSEMBLY,MAIN EBR38144401 K252 PCB ASSEMBLY,DISPLAY EBR38145001 DISPLAY K253 PCB ASSEMBLY,DISPLAY EBR38145201 CYCLE K260...
  • Page 47 CAUTION : BEFORE REPLACING ANY OFTHESE COMPONENTS. READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL NOTE : S(SAFETY PARTS), AL(ALTERNATIVE PARTS) LG MODEL: D1401TB Run_Date : 2007-12-03 YOUR MODEL: LDF9810ST / 01 SPECIFICATION: 120V 60Hz DESC PART No. COMMENTS *001...
  • Page 48 PART NAME PART No. SPEC&COLOR Q'ty A173 GUIDE ASSEMBLY AEC33858601 CUTLERY RACK/RIGHT A174 GUIDE ASSEMBLY AEC33858701 CUTLERY RACK/LEFT A175 HOLDER MEG38945701 CUTLERY RACK A301 SCREW,TAPTITE 1SBF0402418 LATCH LOCK E010 BUSH 4830ED4001A F001 FRAME ASSEMBLY 3211DD1001A F004 NOZZLE ASSEMBLY 5249DD2001A TOP NOZZLE F005 SHAFT,NOZZLE 4370ED3006A...
  • Page 49 PART NAME PART No. SPEC&COLOR Q'ty K121 GASKET 4986DD3003A BLOWER GASKET K122 COVER,BLOWER 3550ED3011A K124 VENT MJZ39902101 K140 HOSE 5214ER4001S HOSE, NEW BLOWER K141 CLAMP 4861FR3068M HOSE ~ BLOWER K200 PANEL ASSEMBLY,CONTROL AGL33667101 K207 COVER,GUIDE MCK40133201 CYCLE K215 COVER,GUIDE MCK40228201 DISPLAY K220 NAME PLATE ASSEMBLY...
  • Page 50 PART NAME PART No. SPEC&COLOR Q'ty M303 SCREW,CUSTOMIZED 1SZZED3006A IMPELLER M304 SCREW,CUSTOMIZED 1SZZFA4305A SUMP ~ DRAIN PUMP M305 SCREW,CUSTOMIZED 4W51194D SUMP ~ MOTOR M500 GENERATOR ASSEMBLY ADZ32992801 STEAM GENERATOR - 49 -...
  • Page 51 Appendix. A CHANGED PART FROM DEC. 2007 BEFORE AFTER (LDF9810ST, S/N : ~1DD10001) (LDF9810ST / 01, S/N : 1DD10001~) K001 4937DD1001B 4937DD1001C DOORLINER ASSEMBLY *Casing ASM & Vent were chang ed to Improve Dr ying performance *Hose added 5835ED2002D ABT35083801...
  • Page 52 Appendix. B MODIFIED PART FROM DEC. 2007 - Check original parts & replace or modify with new parts(Refer Appendix. A) - 51 -...
  • Page 53 Appendix. B B-1. Modified parts to improve drying performance. - Check original parts & replace (or modify) with new parts to improve drying performance. BEFORE AFTER F001 AGL33667101 AGL33667101 Square Hole added FRAME ASSEMBLY, (Jan. 2007~ ) LOWER *Frame was modif ied to av oid interf erence with new vent F174...
  • Page 54 Appendix. B B-2. Modified parts to improve drying performance. - Check original parts & replace (or modify) with new parts to improve drying performance. Part Numbers BEFORE AFTER K010 3550DD1004A NOTE: It is (LDS5811 Series Only) recommended Trim to modify this Front Cover (Dec.
  • Page 55 Appendix. C ※ If it is necessary to retrofit an earlier model with the new drying system, please follow the instructions below for modifying or replacing parts. 1) Remove front door panel & control panel. 2) Remove old blower & vent. 3) Cut the door liner white felt pad as shown*.
  • Page 56 Appendix. C ※ Retrofit instructions continued 6) Using the new vent as a template, drill a new hole* for mounting the vent. Attach the vent using the black screw from the old vent. Align the bottom of the vent with the bottom of the door panel when assembling vent. * NOTE: Be careful not to damage the door liner w hen dr illing the hole.
  • Page 57 MEMO - 56 -...
  • Page 58 MEMO - 57 -...

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