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 | 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 | 8,500 L/year |
| 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 Technology
LG's AI Technology automatically detects fabric types and soil levels to optimize wash cycles for the best cleaning performance with energy efficiency.
ThinQ Smart Technology
Connect to your smartphone for remote control, cycle monitoring, and receiving notifications when your laundry is done.
TurboWash™ 360°
Five powerful jets spray water and detergent in multiple directions to penetrate fabrics thoroughly, cleaning a full load in under 30 minutes.
Allergiene™ Cycle
Uses steam technology to remove over 95% of common household allergens like dust mites and pet dander from fabrics.
Smart Diagnosis™
Quickly diagnose issues using your smartphone and the LG ThinQ app, making troubleshooting simple and efficient.
ColdWash™ Technology
Provides superior cleaning performance with cold water, saving energy while effectively removing tough stains.
Smart Wash Programs
Normal
Everyday wash for regular fabrics with moderate soil
Heavy Duty
Intensive cleaning for heavily soiled items and sturdy fabrics
Delicates
Gentle cycle for delicate fabrics like silk and lace
Quick Wash
Fast cleaning for lightly soiled items in 15-30 minutes
Sanitary
High-temperature wash to eliminate bacteria and germs
Bedding
Special cycle for large items like comforters and blankets
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Washer won't start | Power issue, door not closed, control lock activated | Check power supply, ensure door is latched, check control lock settings |
| Poor cleaning results | Overloading, incorrect detergent, wrong cycle selection | Reduce load size, use HE detergent, select appropriate cycle |
| Water not draining | Drain hose clogged, drain pump filter blocked | Check drain hose for obstructions, clean drain pump filter |
| Leaking water | Door seal issue, overfilling, loose water connections | Inspect door seal, check water inlet connections, ensure proper detergent amount |
| 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: Temperature sensor error - Contact service center
Manual Downloads
Current ThinQ Models
WM4000HWA
4.5 cu.ft. ThinQ Washer
WM3900HWA
4.5 cu.ft. Smart Washer
WM3400CW
4.5 cu.ft. White Washer
WM3700HVA
5.0 cu.ft. ThinQ Washer
Previous ThinQ Models
WM3900H
4.5 cu.ft. Smart Washer
WM3570HVA
4.5 cu.ft. ThinQ Washer
WM3470HVA
4.5 cu.ft. Smart Washer
WM3170CW
4.5 cu.ft. White Washer