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LG LDS4821BB - 24in Full Console Dishwasher - User Manual

LG LDS4821BB - 24in Full Console Dishwasher
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DISHWASHER
SERVICE MANUAL
BEFORE SERVICING THE UNIT, PLEASE READ THIS MANUAL CAREFULLY
FOR SAFETY AND CORRECT SERVICES.
NOTE
MODEL : LDS4821(WW,BB,ST)
MFL37554804(S/M) 2008.4.1 4:33 PM 페이지2 001 GateRip_A3

Questions and Answers

  • R
    Rebecca EdwardsJul 30, 2025
    Why does my LG LDS4821BB - 24in Full Console show a DRAIN ERROR?
    • M
      Michael LewisJul 30, 2025
      A DRAIN ERROR on your LG Dishwasher can occur if the drain hose is kinked or blocked; remove any obstructions. Check the wiring connections. The drain outlet of the sump might be blocked. Also, the drain pump/motor or its circuit could be faulty. Measure the electric resistance of the drain motor (20-40 Ω). Replace the drain motor or repair the circuit if needed.
  • J
    Jesus LozanoAug 4, 2025
    What to do if my LG Dishwasher displays a LEAKAGE ERROR?
    • V
      Vincent ArnoldAug 4, 2025
      If your LG Dishwasher displays a LEAKAGE ERROR, it may be due to several reasons. Check for water leakage in hose connections and replace them if necessary. Inspect for any damages causing the leak and repair or replace the affected parts. Ensure the drain hose connection height is over 20 inches, referring to the installation instructions for proper setup. Lastly, a worn impeller of the washing pump can cause leakage, so consider replacing it.
  • A
    Anita BradleyAug 9, 2025
    What to do if my LG LDS4821BB - 24in Full Console Dishwasher displays a THERMAL ERROR?
    • C
      Carol GibsonAug 9, 2025
      If your LG Dishwasher displays a THERMAL ERROR, it could be due to several reasons. First, check the inlet water temperature (using the Test Mode) to ensure it isn't above 194 °F. If it is, adjust the inlet water temperature to 120 °F. If the temperature isn't displayed, check the wiring connection and the electric resistance of the thermistor (11~14kΩ at 77 °F). If problems persist, consider replacing the PCB.
  • D
    Dr. Bobby RiveraAug 14, 2025
    How to fix an INLET ERROR on my LG LDS4821BB - 24in Full Console?
    • V
      victoriayoungAug 14, 2025
      An INLET ERROR on your LG Dishwasher can be caused by several issues. Ensure the water supply tap is open and the water supply isn't shut off. Check that the inlet hose isn't kinked and that the water pressure isn't too low (below 10 psi). Also, check if the filter of the inlet valve is clogged; clean it if necessary. You can measure the electric resistance of the inlet valve (950-1300 Ω). Finally, replace the air braker.
  • C
    Chad MillerAug 19, 2025
    What to do if my LG Dishwasher displays a MOTOR ERROR?
    • S
      Steven DavisAug 19, 2025
      If your LG Dishwasher displays a MOTOR ERROR, check the wiring connection. The impeller of the washing pump, the rotor of the washing motor, or the blade may be locked. Replace the cause of restriction. If necessary, replace the washing motor or the PCB.
  • P
    pbryanAug 25, 2025
    Why does my LG Dishwasher show an EXCESS ERROR?
    • L
      Lisa HendersonAug 25, 2025
      An EXCESS ERROR on your LG Dishwasher indicates a problem with either the inlet valve or the controller. Replace the inlet valve. If the issue persists, repair or replace the controller.

Summary

Safety Precautions

Wiring Diagram

Test Mode Operation

Disassembly Procedures

Sump Assembly and Component Removal

Steps for disassembling the sump assembly and its key components like the motor and heater.

Troubleshooting Methods

Troubleshooting by Error Message

Guides to diagnose and resolve issues based on displayed error codes on the unit.

Troubleshooting by Symptom

Wash Pump;Motor Not Running Troubleshooting

Steps to diagnose and fix issues when the wash pump or motor fails to operate.

Installation Instructions

Prepare Electrical Wiring

Instructions for safely preparing and connecting the electrical wiring for the dishwasher.

Prepare Water Supply Connection

Steps for connecting the water supply line to the dishwasher, including hot/cold water considerations.

Install Dishwasher in Cupboard

Procedure for sliding the dishwasher into the prepared cupboard opening and ensuring proper hose routing.

Drain Line Connection

Instructions for connecting the drain hose to the disposal or air gap, including requirements.

Water Supply Connection Details

Detailed steps for making water supply connections, using sealing tape and ensuring no kinks.

Electrical Power Connection Details

Procedure for safely connecting the electrical power, including wire twisting and junction cover replacement.

Replacement Part List

LG LDS4821BB - 24in Full Console Dishwasher Specifications

General IconGeneral
Width24 in
Capacity14 Place Settings
Energy Star CertifiedYes
Noise Level48 dBA
ColorBlack
Control TypeElectronic
Number of Options8
Third RackYes
Adjustable Upper RackYes
Soil SensorYes
Delay StartYes
Leak ProtectionYes
TypeFull Console
Drying SystemHybrid

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