LG ThinQ Washer and Dryer

User Manual & Installation Guide

Smart Laundry System

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 both washer and dryer.
  3. Connect Water Supply: Connect hot and cold water supply lines to the washer's water inlet valves.
  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 washer to 120V outlet and dryer to 240V outlet as required.
  6. Level the Units: Adjust the leveling legs to ensure both units are level from front to back and side to side.
  7. Wi-Fi Setup: Connect both units to your home Wi-Fi network for ThinQ functionality.
  8. Test Run: Run both units through a complete cycle to check for proper operation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Series WM4000HWA / DLEX4000W
Type Front Load Washer and Electric Dryer
Color White
Washer Capacity 4.5 cu. ft.
Dryer Capacity 7.4 cu. ft.
Noise Level Washer: 53 dB / Dryer: 65 dB
Control Type Touch Controls with LCD Display
Energy Rating ENERGY STAR® Certified
Washer Power Requirements 120V, 60Hz, 15A
Dryer Power Requirements 240V, 60Hz, 30A
Dimensions (HxWxD) Washer: 39 x 27 x 32 in / Dryer: 39 x 27 x 32 in
Weight Washer: 185 lbs / Dryer: 125 lbs

Warranty Information

  • Full Warranty: 1 year parts and labor
  • Motor Warranty: 10 years on Direct Drive Motor
  • Drum Warranty: 10 years on stainless steel drum
  • 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 remote control, cycle monitoring, and diagnostics through the LG ThinQ app on your smartphone or tablet.

Direct Drive Motor

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

TurboSteamâ„¢ Technology

Refresh clothes and reduce wrinkles using steam cycles in both washer and dryer for professional-looking results.

Sensor Dry System

Automatically detects moisture levels and adjusts drying time to prevent over-drying and save energy.

6 Motion DD Technology

Six different wash motions provide optimal cleaning for any fabric type, from gentle handling to powerful cleaning.

Wi-Fi Enabled

Connect to your home network for remote control, cycle downloads, and firmware updates.

Smart ThinQ Features

Remote Start

Start cycles remotely from your smartphone or voice assistant

Cycle Monitoring

Monitor cycle progress and receive completion alerts

Diagnostics

Smart diagnosis feature helps troubleshoot issues

Software Updates

Automatic firmware updates for new features and improvements

Energy Monitoring

Track energy and water usage through the app

Voice Control

Compatible with Amazon Alexa and Google Assistant

Troubleshooting

Problem Possible Cause Solution
Units won't connect to Wi-Fi Network issues, incorrect password Check network connection, ensure correct Wi-Fi password
App not connecting to units Bluetooth disabled, app permissions Enable Bluetooth, check app permissions, restart app
Poor cleaning results Overloading, wrong detergent Reduce load size, use HE detergent
Clothes not drying completely Overloading, lint filter clogged Reduce load size, clean lint filter
Error codes on display Various system issues Refer to error code section below
Vibration during operation Unbalanced load, uneven floor Redistribute load, level the units

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
  • tE: Temperature sensor error - Contact service center
  • UE: Unbalanced load - Redistribute clothes and restart

Manual Downloads

Current Model Manuals

WM4000HWA

4.5 cu. ft. ThinQ Washer

DLGX4001W

7.4 cu. ft. ThinQ Dryer

WM4200HWA

4.5 cu. ft. Steam Washer

DLGX4201W

7.4 cu. ft. Steam Dryer

Popular Previous Models

WM3900HWA

4.5 cu. ft. ThinQ Washer

DLGX3901W

7.3 cu. ft. ThinQ Dryer

WM3700HWA

4.5 cu. ft. Smart Washer

DLGX3701W

7.3 cu. ft. Smart Dryer

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