LG ThinQ Front Load Washer

User Manual & Installation Guide

Smart Washing Technology

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Tape measure

Step-by-Step Installation

  1. Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor.
  2. Remove Shipping Materials: Remove all shipping bolts and packaging materials from the washing machine.
  3. Connect Water Supply: Connect hot and cold water supply lines to the water inlet valves. Use only new hoses.
  4. Connect Drain Hose: Route the drain hose into a standpipe or laundry tub with a high loop to prevent backflow.
  5. Electrical Connection: Connect to a properly grounded 120V, 60Hz, AC only outlet. Do not use an extension cord.
  6. Level the Washing Machine: Adjust the leveling legs to ensure the washing machine is level from front to back and side to side.
  7. Wi-Fi Setup: Download LG ThinQ app and connect your washer to your home Wi-Fi network for smart features.
  8. Test Run: Run the washing machine through a complete cycle to check for leaks and proper operation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Series WM4000HWA
Type Front Load Washing Machine
Color Graphite Steel / White
Capacity 4.5 cu. ft.
Noise Level (Wash/Spin) 52 dB / 68 dB
Control Type Touch Controls with LED Display
Energy Rating ENERGY STAR® Certified
Water Consumption 13 gallons per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 39 x 27 x 30 inches
Weight 185 lbs
Max Spin Speed 1300 RPM
Wi-Fi Connectivity 2.4 GHz Wi-Fi Required

Warranty Information

  • Full Warranty: 1 year parts and labor
  • Motor Warranty: 10 years on Direct Drive Motor
  • Additional Coverage: Optional extended warranty available

For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com

Key Features

LG ThinQ Technology

Smart connectivity allows you to control and monitor your washer remotely, download new cycles, receive alerts, and troubleshoot issues through the LG ThinQ app.

Direct Drive Motor

LG's innovative Direct Drive motor connects directly to the drum without belts or pulleys, reducing noise and vibration while increasing reliability and efficiency.

TurboWash™ 360°

Five powerful jets spray water at the right time from multiple angles to penetrate fabrics deeply, cleaning a full load in just 30 minutes.

ColdWash™ Technology

Advanced technology that uses cold water to deliver the same cleaning performance as warm water while saving energy and protecting clothes.

Allergiene™ Cycle

Uses steam and higher water temperatures to remove over 95% of common household allergens like dust mites and pet dander.

Smart Diagnosis™

Quickly diagnose issues with your washer using the LG ThinQ app, which can help troubleshoot problems and schedule service if needed.

Smart Features Explained

Remote Start

Start wash cycles remotely from your smartphone or voice assistant

Cycle Download

Download new wash cycles as they become available through the ThinQ app

Usage Monitoring

Track energy and water usage to optimize efficiency and reduce costs

Voice Control

Compatible with Google Assistant and Amazon Alexa for hands-free operation

Custom Cycles

Create and save custom wash cycles for your specific laundry needs

Maintenance Alerts

Receive notifications when it's time to clean the filter or perform maintenance

Troubleshooting

Problem Possible Cause Solution
Washer won't connect to Wi-Fi Network issues, incorrect password, signal strength Check network settings, ensure 2.4GHz band, move closer to router
App not responding App update needed, phone compatibility, server issues Update ThinQ app, check phone compatibility, restart app
Remote start not working Connectivity issues, safety lock enabled Check internet connection, ensure door is closed properly
Poor cleaning results Overloading, wrong detergent, incorrect program Reduce load size, use HE detergent, select appropriate program
Water not draining Drain hose clogged or kinked Check drain hose for obstructions or kinks, clean filter
Unusual noises Foreign objects in drum, unbalanced load Check for foreign objects, redistribute load evenly

Error Codes

  • IE: Water supply issue - Check water supply and inlet valve
  • OE: Drain issue - Check drain hose and pump
  • FE: Flooding detected - Check for leaks and water supply
  • LE: Motor issue - Contact service center
  • dE: Door not closed properly - Ensure door is fully closed
  • UE: Unbalanced load - Redistribute clothes and restart
  • tE: Communication error - Restart washer and check ThinQ connection

Manual Downloads

Current ThinQ Models

WM4000HWA

4.5 cu.ft. Smart Washer

WM4200HBA

4.5 cu.ft. Black Washer

WM3900HWA

4.3 cu.ft. Smart Washer

WM3400CW

4.5 cu.ft. White Washer

Popular ThinQ Models

WM3700HVA

4.5 cu.ft. Graphite Washer

WM3500CW

4.5 cu.ft. White Washer

WM3900HBA

4.3 cu.ft. Black Washer

WM4000HCA

4.5 cu.ft. Champagne Washer

Note: For models not listed here, please visit the LG Support Website for complete documentation.