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LG WM3998HBA.ABLEVUS - User Manual

LG WM3998HBA.ABLEVUS
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OWNER'S MANUAL
WASHER AND
DRYER
Read this owner's manual thoroughly before operating the
appliance and keep it handy for reference at all times.
ENGLISH
WM3998HBA
MFL71728991
Rev.00_042523
www.lg.com
Copyright © 2023 LG Electronics Inc. All Rights Reserved.
Scan to see the online manual.

Table of Contents

Questions and Answers

  • W
    wrightbrianAug 6, 2025
    What to do if my LG WM3998HBA.ABLEVUS Washer/Dryer shows an IE INLET ERROR?
    • R
      Ronald MooreAug 6, 2025
      If your LG Washer/Dryer displays an IE INLET ERROR, the following steps may resolve the issue: * Ensure that the water supply faucets are fully open. * Check that the water inlet hoses are not kinked, pinched, or crushed. Take care when moving the washer during cleaning or maintenance. * Clean the water inlet filters. See MAINTENANCE section for instructions. * Verify that the water supply pressure to the faucet or house is adequate. Check another faucet in the house. Disconnect the water inlet hoses from the washer and run a few gallons of water through the hoses to flush out any dirt. If the flow is too low, contact a plumber to repair the water supply lines. * Avoid using leak-limiting hoses, as they can falsely trip and prevent the washer from filling.
  • S
    Samantha FowlerAug 17, 2025
    Why does my LG WM3998HBA.ABLEVUS Washer/Dryer beep when I press a button, but nothing happens?
    • K
      Kenneth ColeAug 17, 2025
      If your LG Washer/Dryer beeps but doesn't respond when you press a button, the Control Lock feature is likely turned on. To disable it, turn on the washer, then press and hold the button labeled 'Control Lock' (or the button located directly under where 'Control Lock' is printed) for 3 seconds.
  • D
    Dawn LopezAug 27, 2025
    How to stop loud banging noises from my LG WM3998HBA.ABLEVUS Washer/Dryer when filling with water?
    • J
      Jasmine SanchezAug 27, 2025
      The loud banging noises your LG Washer/Dryer makes while filling with water is likely due to a plumbing issue known as water hammer. This can be reduced by installing a water hammer arrestor, which can be purchased at local hardware or home improvement stores.

Summary

IMPORTANT SAFETY INSTRUCTIONS

Safety Precautions

Key safety warnings and cautions to prevent injury and damage.

PRODUCT OVERVIEW

Features and Specifications

Details the washer's components, accessories, and technical specifications.

INSTALLATION GUIDE

Before Installing

Overview and initial steps for preparing the washer for installation.

Unpacking and Material Removal

Instructions for safely removing packaging and shipping components.

Connecting Water and Drain Hoses

Guides on connecting water inlet and drain hoses to the appliance.

Leveling and Final Checks

Details on leveling, using non-skid pads, and final power connection.

OPERATING THE WASHER

Getting Started

Steps for initial setup, sorting, loading, and starting the wash cycle.

Sorting Laundry

Provides guidance on grouping clothes by color, soil level, fabric type, and lint.

Loading the Washer

Offers tips for properly loading the drum for optimal wash performance.

Adding Cleaning Products

Explains how to use detergent, including HE detergents and single-use packs.

CONTROL PANEL

Control Panel Features

Identifies and explains the function of each button and display element.

WASH CYCLES

Cycle Guide and Descriptions

Details available wash cycles like Normal, Heavy Duty, Bedding, etc.

Available Options

Lists and explains additional cycle options like Steam, Dry, Turbo Wash, etc.

CYCLE MODIFIERS

Modifier Button Functions

Explains how to adjust temperature, spin speed, and soil level for cycles.

DRY CYCLES

Drying Tips and Usage

Provides general advice for using the drying function effectively.

OPERATION OPTIONS

Steam, Pre-wash, and Delay Wash

Details options like Steam, Pre-wash for enhanced cleaning, and Delay Wash.

Additional Functions

Covers functions like Add Garments, Cold Wash, Rinse+Spin, and Control Lock.

SMART FUNCTIONS

LG ThinQ Application

Guides on using the mobile app for remote control and monitoring.

Smart Diagnosis Function

Details how to use the Smart Diagnosis feature for troubleshooting via app or sound.

MAINTENANCE

Regular Cleaning and Drum Care

Instructions for routine cleaning of the washer's parts and drum.

Dispenser Drawer and Mineral Buildup

Guides on cleaning the dispenser drawer and removing mineral buildup.

Door Seal and Inlet Filters

Instructions for cleaning the door seal and maintaining water inlet filters.

Drain Pump Filter Cleaning

Steps to clean the drain pump filter to ensure proper drainage.

Cold Climate Protection

Procedures to protect the washer from freezing temperatures during storage.

TROUBLESHOOTING

Initial Checks and FAQs

Addresses common problems, FAQs, and initial troubleshooting steps.

Error Codes and Solutions

Explains error codes, their causes, and recommended solutions.

Understanding Noises

Describes common washer noises and their potential causes.

Operation Issues

Addresses problems like water leaking, excessive sudsing, and startup failures.

Filling, Draining, and Dispensing Problems

Solves issues related to water filling, draining, and detergent/bleach dispensing.

Performance and Odor Issues

Addresses wrinkling, staining, poor stain removal, and odors in the washer.

WI-FI TROUBLESHOOTING

Connectivity Issues

Guides on resolving connectivity issues between the appliance and Wi-Fi.

LIMITED WARRANTY

USA Warranty Terms

Details warranty period, coverage, and exclusions for products sold in the USA.

Canada Warranty Terms

Outlines warranty period, coverage, and exclusions for products sold in Canada.

LG WM3998HBA.ABLEVUS Specifications

General IconGeneral
TypeWasher/Dryer Combo
Capacity (Wash)4.5 cu. ft.
Capacity (Dry)4.5 cu. ft.
ColorBlack Steel
SteamYes
Smart TechnologyYes
Width27 inches
Height39 inches
Energy Star QualifiedYes
Control TypeElectronic
Wi-Fi ConnectivityYes

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