Installation Guide
Tools Required:
- Adjustable wrench
- Level tool
- Screwdriver set
- Pliers
- Measuring tape
Step-by-Step Installation Process
- Select Installation Site: Choose a location with access to plumbing and electrical connections on a stable, level surface.
- Remove Packaging Materials: Carefully remove all shipping bolts and protective packaging from the washing machine.
- Connect Water Lines: Attach hot and cold water supply lines to the appropriate inlet valves. Always use new hoses for installation.
- Install Drain Hose: Route the drain hose into a standpipe or laundry sink with proper high loop configuration to prevent backflow.
- Electrical Connection: Connect to a grounded 120V, 60Hz electrical outlet. Extension cords are not recommended.
- Level the Unit: Adjust the leveling feet to ensure the washing machine is perfectly level from all directions.
- Initial Test Run: Perform a complete cycle to verify proper operation and check for any leaks.
Specifications
| Model Series | WM4000HWA |
| Machine Type | Front Loading Washer |
| Available Colors | White / Graphite Steel |
| Capacity Range | 4.5 - 5.2 cu. ft. |
| Noise Level | 52 dB / 68 dB |
| Control Interface | LED Display with Dial Control |
| Energy Rating | ENERGY STAR® Certified |
| Water Usage | 13 gallons per cycle |
| Power Specifications | 120V, 60Hz, 15A |
| Dimensions | 39 x 27 x 30 inches |
| Unit Weight | 205 lbs |
| Spin Speed | 1300 RPM |
Warranty Coverage
- Comprehensive Warranty: 1 year parts and labor
- Drive System Warranty: 10 years on motor and drum
- Extended Protection: Optional warranty plans available
For warranty claims and service, contact LG Support at 1-800-243-0000 or visit LG Support Portal
Key Features
Direct Drive System
LG's Direct Drive technology eliminates belts and pulleys, connecting the motor directly to the drum for quieter operation and enhanced durability.
Smart Inverter Motor
Advanced inverter motor provides precise control over washing actions, delivering superior cleaning while conserving energy and protecting fabrics.
6Motion Technology
Six specialized wash motions adapt to different fabric types, ensuring optimal cleaning from delicate items to heavily soiled laundry.
Steam Fresh
Steam technology effectively removes stubborn stains, reduces allergens, and refreshes clothes without traditional washing.
SmartThinQ Connectivity
Wi-Fi enabled for smartphone control, allowing remote monitoring, cycle customization, and maintenance alerts through the LG ThinQ app.
TurboWash™ 360°
Accelerated washing technology cleans full loads in under 30 minutes using multi-directional water jets and optimized drum movement.
Wash Motion Technology
Tumbling
Gentle vertical motion perfect for delicate fabrics and silk
Swinging
Side-to-side motion ideal for synthetic materials
Scrubbing
Intensive cleaning action for heavily soiled cotton items
Rolling
Continuous rolling motion for effective lint removal
Stepping
Gentle stepping motion that mimics hand washing
Filtration
Special motion for large items like comforters and blankets
Troubleshooting
| Issue | Potential Cause | Resolution |
|---|---|---|
| Machine won't power on | Electrical issue, door not secured | Verify power connection, ensure door is properly closed |
| Inadequate cleaning | Overloaded drum, incorrect detergent, wrong cycle | Reduce load size, use recommended detergent, select proper cycle |
| Water drainage problems | Clogged drain hose, restricted flow | Inspect drain hose for blockages, clean drain filter |
| Water leakage | Faulty door seal, excessive detergent, loose fittings | Check door seal, measure detergent properly, tighten connections |
| Unusual sounds | Foreign objects in drum, unbalanced load | Remove foreign objects, redistribute laundry evenly |
| Excessive vibration | Uneven load, unstable floor, shipping materials | Balance load, level machine, confirm shipping bolts removed |
Common Error Codes
- IE: Water inlet error - Check water supply and valves
- OE: Drain system error - Inspect drain hose and pump
- FE: Flood detection - Check for water leaks
- LE: Motor malfunction - Contact technical support
- dE: Door alignment issue - Ensure proper door closure
- UE: Load imbalance - Rearrange clothes and restart
Manual Downloads
Current Model Documentation
WM4000HWA
5.2 cu.ft. Smart Washer
WM3900HWA
4.5 cu.ft. Steam Washer
WM3700HWA
4.8 cu.ft. ThinQ Washer
WM3500HWA
4.5 cu.ft. White Washer
Previous Model Manuals
WM3170HWA
4.5 cu.ft. DD Washer
WM3080HWA
4.2 cu.ft. Steam Washer
WM2988HWA
4.5 cu.ft. ThinQ Washer
WM2848HWA
4.2 cu.ft. DD Washer