LG WM4000HBA User Manual

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OWNER'S MANUAL

WASHING MACHINE

Read this owner's manual thoroughly before operating the

appliance and keep it handy for reference at all times.

ENGLISH ESPAÑOL FRANÇAIS

WM4000H*A

MFL71728908

Rev.00_070920

www.lg.com

Copyright © 2020 LG Electronics Inc. All Rights Reserved.

Table of Contents

Questions and Answers:

J
Jeffrey CarlsonAug 22, 2025
Why does my LG Washer show an IE INLET ERROR?
- S
  samuelreillyAug 23, 2025
  An IE INLET ERROR on your LG Washer typically means there's an issue with the water supply. Here are a few things to check: * Make sure that the water faucets are fully open. * Ensure the water inlet hoses aren't kinked, pinched, or crushed behind or under the washer. * The use of hoses designed to limit leaks is not recommended. Leak limiting hoses can trip falsely and prevent the washer from filling. Also, check another faucet in the house to ensure household water pressure is adequate. If the flow is too low, contact a plumber to repair the water supply lines.
B
Bobby HerringSep 2, 2025
How to disable CL CONTROL LOCK FUNCTION on LG WM4000HBA Washer?
- R
  Randy NewmanSep 2, 2025
  The CL CONTROL LOCK FUNCTION on your LG washer is on to prevent changes to cycles or operation. Turn off the Control Lock function in the control panel.
V
victoriamcleanSep 1, 2025
Why is my LG WM4000HBA not filling properly?
- C
  christina31Sep 1, 2025
  If your LG washer isn't filling properly, check that the inlet filters on the fill valves are not clogged. Also, inspect the inlet hoses to ensure they are not kinked or clogged.
Q
qnunezAug 31, 2025
Why is detergent not dispensing correctly in my LG WM4000HBA Washer?
- A
  Angelica BatesAug 31, 2025
  If detergent isn't dispensing correctly in your LG washer, it could be due to clogged detergent compartments from incorrect filling. Make sure detergent and additives are put into the correct dispenser compartments. Also, ensure you're not using too much detergent and that both hot and cold water faucets are fully turned on for sufficient water supply.
D
Daryl BatesAug 29, 2025
What to do if my LG WM4000HBA Washer will not operate?
- W
  William CruzAug 29, 2025
  If your LG washer won't operate, first check if the control panel has powered off due to inactivity; if so, press the Power button. Ensure the washer is plugged securely into an electrical outlet and that the water supply is turned on fully at both hot and cold faucets. Also, verify the cycle is set correctly, the door is closed, and the Start/Pause button is pressed.
R
Rose MorrowAug 28, 2025
What to do if water in my LG WM4000HBA Washer doesn't drain or drains slowly?
- A
  Angela BuchananAug 28, 2025
  If the water in your LG washer isn't draining properly or is draining slowly, check the drain hose for clogs or kinks and ensure it's free. Also, make sure the end of the drain hose is not more than 96 inches (2.4 m) above the bottom of the washer; if it is, lower it.
C
chelsea80Aug 27, 2025
Why is my LG Washer leaking water?
- W
  Walter CarpenterAug 27, 2025
  If your LG washer is leaking water, inspect the hoses and connectors for any leaks, cracks, or splits. If the house drain pipes are clogged, contact a plumber. Ensure the drain hose is properly inserted into the drain connector and is secured to prevent it from coming out during the drain cycle. Also, reduce the amount of detergent used, especially for small or lightly soiled loads, as excessive sudsing can cause leaks.
A
Alan BaileyAug 27, 2025
How to fix UE UNBALANCE ERROR on LG WM4000HBA?
- A
  Alexandra HarrisAug 27, 2025
  If you're getting a UE UNBALANCE ERROR on your LG washer, it means the load is unbalanced. Try these solutions: if the load is too small, add additional items to help balance it. If you're washing heavy items with lighter ones, separate them into similar weight categories. If the items are tangled, manually redistribute them in the drum.
Y
Yolanda AndersonAug 25, 2025
How to fix an LG WM4000HBA that will not turn on?
- J
  jacksonryanAug 26, 2025
  If your LG washer won't turn on, start by ensuring the power cord is properly plugged into a grounded outlet. Also, check your house fuse or circuit breaker; reset the breaker or replace the fuse if necessary.
T
thomasdanielsAug 25, 2025
What to do if my LG WM4000HBA shows an IE Inlet Error?
- D
  Diana OwensAug 25, 2025
  If your LG Washer displays an IE Inlet Error, it could be due to several reasons. First, ensure that the water supply faucets are fully open. Check that the water inlet hoses are not kinked, pinched, or crushed behind or under the washer. Also, clean the water inlet filters, and verify that your household water pressure is adequate by checking another faucet. Finally, avoid using leak-limiting hoses for the water supply connection, as they are not recommended.

LG WM4000HBA Specifications

General

Type	Front Load Washer
Capacity	4.5 cu. ft.
Spin Speed	1300 RPM
Energy Star Certified	Yes
Color	Black Steel
Smart Features	Yes
Steam	Yes
Washer Cycles	14
Number of Wash Temperatures	5
Noise Level (dB)	52 dB
Cycle Time	Varies by cycle
TurboWash 360	Yes
Dimensions	27" W x 39" H x 30.25" D
Options	Delay Wash

Summary

Washing Machine Safety Guidelines

Safety Messages and Warnings

General guidance on reading safety instructions, warning statements, and caution statements.

Washing Machine Installation Guide

Installation Preparation Steps

Installation Site Requirements

Connecting Water Inlet Hoses

Detailed steps for connecting the hot and cold water supply hoses.

Connecting the Drain Hose

Instructions for connecting the drain hose to a standpipe or laundry tub.

Leveling and Tub Draining

Procedures for leveling the washer and draining into a laundry tub.

Final Installation Checks and Power Connection

Operating Your LG Washing Machine

Detergent Use and Dispenser Guide

Detergent Compartment Details and Usage

LG Washing Machine Control Panel

Control Panel Button Functions

Explanation of control panel buttons like Power, Cycle Selector, and Start/Pause.

Display and Indicator Explanations

Washer Cycle Customization

Using Cycle Modifiers

LG ThinQ Smart Functions

LG ThinQ App Integration Overview

ThinQ App Usage and Downloads

Diagnosing Washer Issues with ThinQ

Washing Machine Maintenance and Care

Cold Climate Protection and Storage

Thawing Frozen Washer Components

LG Washer Troubleshooting

Pre-Service Checks and FAQs

Initial checks, troubleshooting FAQs, and error message explanations.

Error Code Solutions

Detailed solutions for various error codes displayed by the washer.

Troubleshooting Washer Noises

Identifying causes and solutions for different types of noises the washer may make.

Troubleshooting Operational Issues

Resolving problems like water leaking, excessive sudsing, and power issues.

Troubleshooting Washer Operation

Continued troubleshooting for operational issues including water supply and controls.

Troubleshooting Filling, Draining, and Bleach Dispensing

Resolving issues with water filling, slow draining, and bleach dispensing.

Troubleshooting Performance Issues

Addressing performance problems such as wrinkling, staining, and odors.

Troubleshooting Odor and Wi-Fi Connectivity

Solutions for persistent odors and Wi-Fi connection problems.

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