Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
Step-by-Step Installation
- Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor.
- Remove Shipping Materials: Remove all shipping bolts and packaging materials from the washing machine.
- Connect Water Supply: Connect hot and cold water supply lines to the water inlet valves. Use only new hoses.
- Connect Drain Hose: Route the drain hose into a standpipe or laundry tub with a high loop to prevent backflow.
- Electrical Connection: Connect to a properly grounded 120V, 60Hz, AC only outlet. Do not use an extension cord.
- Level the Washing Machine: Adjust the leveling legs to ensure the washing machine is level from front to back and side to side.
- SmartThinQ Setup: Download the LG ThinQ app and connect your washer to Wi-Fi for smart features.
- Test Run: Run the washing machine through a complete cycle to check for leaks and proper operation.
Specifications
| Model Series | WM4000HWA |
| Type | Front Load Smart Washer |
| Color | Graphite Steel / White |
| Capacity | 4.5 cu. ft. |
| Noise Level (Wash/Spin) | 52 dB / 68 dB |
| Control Type | Touch Controls with LCD 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 |
| Connectivity | Wi-Fi, LG ThinQ Technology |
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 notifications, and troubleshoot issues via smartphone.
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°
Advanced cleaning technology that uses powerful multidirectional jets to thoroughly clean clothes in just 30 minutes, saving time and energy.
Smart Diagnosis
Built-in technology that helps diagnose issues and provides solutions through the LG ThinQ app, reducing the need for service calls.
ColdWash™ Technology
Advanced cold water washing that provides excellent cleaning performance while saving energy and protecting fabric colors.
Allergiene™ Cycle
Special cycle that uses steam technology to remove over 95% of common household allergens like dust mites and pet dander.
SmartThinQ App Features
Remote Start & Monitor
Start, stop, and monitor wash cycles from anywhere using your smartphone
Cycle Download
Download new wash cycles and features directly to your washer
Usage Statistics
Track energy and water usage to optimize efficiency and save money
Voice Control
Compatible with Google Assistant and Amazon Alexa for hands-free control
Maintenance Alerts
Receive notifications for filter cleaning and maintenance needs
Smart Diagnosis
Troubleshoot issues and schedule service directly through the app
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Washer won't connect to Wi-Fi | Network issues, incorrect setup | Check network connection, restart router, re-run setup in ThinQ app |
| App not responding | App update needed, connection lost | Update ThinQ app, check internet connection, restart smartphone |
| Washing machine won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Poor cleaning results | Overloading, wrong detergent, incorrect program | Reduce load size, use correct 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: ThinQ connection error - Check Wi-Fi connection
- nE: Network error - Restart router and reconnect
Manual Downloads
Current ThinQ Model Manuals
WM4000HWA
4.5 cu.ft. Smart ThinQ Washer
WM4200HBA
4.5 cu.ft. ThinQ with Steam
WM3900HWA
4.3 cu.ft. Smart ThinQ Washer
WM3400CW
4.5 cu.ft. White ThinQ Washer
Popular Previous Models
WM3170CW
4.5 cu.ft. Smart ThinQ
WM3700HWA
4.5 cu.ft. Graphite ThinQ
WM3900HWA
4.3 cu.ft. Smart ThinQ
WM4000HBA
4.5 cu.ft. Black ThinQ