LG ThinQ Inverter Direct Drive Washer

User Manual & Installation Guide

Smart AI DD™ 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 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 13.2 gallons per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 39 x 27 x 30 inches
Weight 185 lbs
Max Spin Speed 1300 RPM

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

AI Direct Drive Motor

LG's intelligent Direct Drive motor with AI technology learns your washing habits and optimizes cycles for better cleaning and energy efficiency.

ThinQ Smart Technology

Connect to your smartphone for remote control, cycle monitoring, and smart diagnostics. Receive alerts when cycles complete or if issues arise.

6 Motion DD Technology

Six different wash motions can be combined to provide the optimal wash for any fabric type, from gentle handling of delicates to powerful cleaning of heavily soiled items.

TurboWash™ 360°

Advanced spray technology covers clothes from multiple angles, cleaning a full load in just 30 minutes without compromising performance.

AI Fabric Sensor

Automatically detects fabric type and load size to optimize water temperature, cycle time, and motion for perfect results every time.

Voice Control Compatible

Works with Amazon Alexa and Google Assistant for hands-free control of your laundry routine.

Smart ThinQ Features

Remote Start

Start cycles remotely from your smartphone or schedule washes during off-peak hours

Cycle Monitoring

Monitor cycle progress and receive notifications when laundry is done

Smart Diagnosis

Troubleshoot issues through the ThinQ app with guided diagnostics

Usage Reports

Track energy and water usage to optimize efficiency and reduce costs

Download Cycles

Access additional wash cycles and features through app updates

Maintenance Alerts

Receive reminders for filter cleaning and routine maintenance

Troubleshooting

Problem Possible Cause Solution
Washing machine won't start Power issue, door not closed properly, Wi-Fi connection Check power supply, ensure door is latched completely, verify network connection
Poor cleaning results Overloading, wrong detergent, incorrect AI settings Reduce load size, use correct detergent, check AI fabric detection
Water not draining Drain hose clogged or kinked, pump filter blocked Check drain hose for obstructions or kinks, clean filter
Leaking water Door not sealed, overfilling, loose connections Check door seal, ensure proper detergent amount, check connections
Unusual noises Foreign objects in drum, unbalanced load Check for foreign objects, redistribute load evenly
Wi-Fi connection issues Network problems, incorrect setup, signal strength Reset network connection, reinstall ThinQ app, check router settings

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: ThinQ connection error - Check Wi-Fi and app connection

Manual Downloads

Current ThinQ Models

WM4000HWA

4.5 cu.ft. ThinQ Washer

WM4200HWA

4.5 cu.ft. ThinQ Steam

WM9000HVA

5.0 cu.ft. ThinQ Washer

WKGX201HVA

Stackable ThinQ Combo

Popular Previous Models

WM3900HWA

4.5 cu.ft. Smart Washer

WM3700HVA

4.5 cu.ft. ThinQ Washer

WM3488HW

4.2 cu.ft. Smart Washer

WM3170CW

4.5 cu.ft. ThinQ Washer

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