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.
- Wi-Fi Setup: Download LG ThinQ app and follow on-screen instructions to connect to your home network.
- Level the Washing Machine: Adjust the leveling legs to ensure the washing machine is level from front to back and side to side.
- 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® Most Efficient |
| 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 |
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 home Wi-Fi for remote control, cycle monitoring, and smart diagnostics through the LG ThinQ mobile app.
TurboWash™ 360°
Advanced cleaning technology that uses powerful multidirectional jets to thoroughly clean clothes in less time.
ColdWash™ Technology
Advanced cold water washing that provides excellent cleaning performance while saving energy and protecting fabrics.
Smart Diagnosis
Automatically detects issues and provides troubleshooting guidance through the ThinQ app.
Allergiene™ Cycle
Special cycle that uses steam to remove over 95% of common household allergens from fabrics.
Smart Features Explained
Voice Control
Compatible with Google Assistant and Amazon Alexa for hands-free operation
Cycle Download
Download additional wash cycles and features through the ThinQ app
Usage Report
Monitor energy and water consumption with detailed usage reports
Remote Start
Start and monitor wash cycles from anywhere using your smartphone
Firmware Updates
Automatic software updates to improve performance and add new features
Smart Pairing
Automatically pairs with compatible LG dryers for optimized laundry routines
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Wi-Fi connection issues | Network problems, incorrect setup | Check router settings, re-run ThinQ app setup process |
| App not connecting | Server issues, outdated app | Update ThinQ app, check LG server status |
| Smart features not working | Connectivity loss, firmware outdated | Check internet connection, update firmware |
| Voice control not responding | Device compatibility, setup incomplete | Ensure compatible device, complete voice setup |
| Remote start failed | Network timeout, cycle in progress | Check network stability, ensure cycle is ready |
| Smart diagnosis unavailable | Connectivity issues, service outage | Check internet connection, try again later |
Smart Error Codes
- tE: Communication error - Check Wi-Fi connection
- CE: Control board error - Contact service center
- HE: Heating element error - Check power supply
- PE: Pressure sensor error - Contact service center
- LE: Motor communication error - Restart machine
- FE: Flooding detected - Check for leaks and water supply
Manual Downloads
Current ThinQ Models
WM4000HWA
4.5 cu.ft. ThinQ Washer
WM4200HBA
4.5 cu.ft. Black ThinQ
WM3900HWA
4.2 cu.ft. ThinQ Washer
WM4500HBA
5.0 cu.ft. ThinQ Washer
Popular ThinQ Models
WM3700HWA
4.5 cu.ft. Smart Washer
WM3488HW
4.2 cu.ft. ThinQ Washer
WM3900HWA
4.2 cu.ft. AI Washer
WM4000HCA
4.5 cu.ft. Graphite