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.
- Test Run: Run the washing machine through a complete cycle to check for leaks and proper operation.
Specifications
| Model Series | WM4000HWA |
| Type | Front Load Washing Machine |
| Color | White / Graphite Steel |
| 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
LG ThinQ Technology
Smart connectivity allows remote control and monitoring via smartphone app, with voice control compatibility through Google Assistant and Amazon Alexa.
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 jets and multi-directional spraying to clean clothes thoroughly in less time.
Steam Technology
Steam technology helps to remove tough stains, reduce allergens, and minimize wrinkles, leaving clothes fresh and hygienically clean.
Smart Diagnosis
Automatically diagnoses issues and provides troubleshooting solutions through the ThinQ app, reducing service calls.
ColdWash™
Advanced cold water washing technology that provides excellent cleaning performance while saving energy.
Smart Features
Remote Start
Start and monitor wash cycles remotely from your smartphone
Cycle Monitoring
Track cycle progress and receive completion alerts on your phone
Voice Control
Control your washer using voice commands with compatible devices
Software Updates
Receive automatic software updates with new features and improvements
Usage Statistics
Monitor energy and water usage through the ThinQ app
Custom Cycles
Create and save custom wash cycles for frequently used settings
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| 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 |
| 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 | Check network connection, re-run ThinQ setup process |
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 network settings
Manual Downloads
Current ThinQ Model Manuals
WM4000HWA
4.5 cu.ft. Smart Wi-Fi Washer
WM3900HWA
4.5 cu.ft. ThinQ Washer
WM3400CW
4.5 cu.ft. Smart Control
WM3700HVA
4.8 cu.ft. ThinQ Washer
Popular ThinQ Series
WM4200HBA
4.5 cu.ft. Black Stainless
WM3900HBA
4.5 cu.ft. Black Steel
WM3500CW
4.5 cu.ft. White Washer
WM3700HWA
4.8 cu.ft. Graphite Steel