LG WM3998HBA-ABLEVUS Washer-Dryer Manual

The LG WM3998HBA-ABLEVUS is a versatile washer-dryer combo that offers the convenience of washing and drying clothes in one machine. With a capacity of 4.5 cu. ft., it features advanced washing technology, steam cleaning options, and a variety of wash cycles to cater to different fabric types. The unit is designed for energy efficiency and comes with smart technology for remote monitoring and control. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Water Supply 7. Operating the Washer-Dryer 8. Maintenance and Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Washer-dryer combo, Smart technology, Steam cleaning, Multiple wash cycles, Energy efficient.

FeatureDescription
Smart TechnologyControl and monitor from your smartphone
Steam CleaningHelps remove tough stains and allergens
Multiple Wash CyclesCustomizable settings for different fabrics
Energy EfficiencyMeets Energy Star standards
Large Capacity4.5 cu. ft. for larger loads

Installation

Unpack and inspect contents. Place on a stable surface with adequate ventilation.

  1. Connect water supply: Ensure hot and cold water hoses are securely attached.
  2. Connect drain hose: Position drain hose properly to avoid leaks.
  3. Plug into AC power: Ensure the outlet is grounded.

WARNING! Ensure all connections are secure to prevent leaks.

First-Time Setup

Power on the unit; follow on-screen prompts to configure settings.

  1. Select language: Choose your preferred language on the display.
  2. Program wash cycles: Set up your favorite wash cycles for quick access.
  3. Connect to Wi-Fi: Follow instructions to connect to your home network.

CAUTION! Ensure the unit is level to prevent vibrations during operation.

Specifications

Controls and Settings

Access settings via the digital display. Control options include wash cycle selection, temperature settings, and spin speed adjustments.

Remote: Use the LG SmartThinQ app for remote control and monitoring.

Connecting Water Supply

Ensure proper connection of hot and cold water hoses to the back of the unit.

  1. Turn off water supply before connecting hoses.
  2. Match hoses to corresponding hot and cold inlets.
  3. Check for leaks after turning on the water supply.

Tip: Use adjustable wrenches to tighten connections securely.

Operating the Washer-Dryer

Follow these steps to operate the washer-dryer:

  1. Load laundry: Do not overload the drum.
  2. Select wash cycle: Choose the appropriate cycle for your load.
  3. Start the cycle: Press the start button to begin.
  4. Monitor progress: Use the display to check the remaining time.

WARNING! Do not open the door during operation.

Maintenance and Care

Regular maintenance is essential for optimal performance. Clean the lint filter and check hoses periodically.

CAUTION! Unplug the unit before performing any maintenance.

Regulatory Information

This appliance complies with applicable safety standards and regulations. For support, visit www.lg.com or contact customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
Unit won't startPower supply issueCheck power connection and circuit breaker.
No water supplyHoses kinkedEnsure hoses are straight and not blocked.
Clothes not cleanOverloadingReduce load size and select appropriate cycle.
Unusual noiseForeign objectsCheck drum for items and remove.

Reset: Unplug the unit for 5 minutes to reset.

Service: 1-800-243-0000; www.lg.com

LG WM3998HBA-ABLEVUS Washer-Dryer Manual © - All Rights Reserved 2026