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 connect washing machine to your home Wi-Fi network for smart features.
- 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 | Black Stainless 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® Certified |
| Water Consumption | 13.7 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 advanced AI Direct Drive motor uses artificial intelligence to detect fabric types and optimize washing motions for superior cleaning performance.
ThinQ Smart Technology
Connect to your smartphone for remote control, cycle monitoring, and smart diagnostics. Receive notifications when cycles complete.
TurboWash™ 360°
Five powerful jets spray water and detergent directly onto clothes from multiple angles, cleaning thoroughly in less time.
Steam Technology
Steam cycles remove tough stains, reduce allergens, and refresh clothes without washing, saving time and energy.
AI Fabric Care
Automatically detects fabric softness and weight to optimize wash motions and water temperature for perfect results every time.
Smart Diagnosis
Quickly diagnose issues using the ThinQ app, which can send diagnostic information directly to LG service centers.
Smart Cycle Options
Normal
Standard wash for everyday items with balanced cleaning and energy use
Heavy Duty
Intensive cleaning for heavily soiled items with extended wash time
Delicates
Gentle cycle for delicate fabrics with reduced tumbling action
Quick Wash
Fast 30-minute cycle for lightly soiled items
Bedding
Special cycle for bulky items like comforters and blankets
Allergiene
Steam cycle that removes common allergens from fabrics
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Washing machine won't start | Power issue, door not closed properly, Wi-Fi not connected | Check power supply, ensure door is latched completely, verify Wi-Fi connection |
| Poor cleaning results | Overloading, wrong detergent, incorrect AI settings | Reduce load size, use HE detergent, check AI fabric detection |
| Water not draining | Drain hose clogged or kinked, pump filter blocked | Check drain hose for obstructions, clean pump 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, signal interference | Reset network connection, re-run ThinQ setup, check router settings |
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: Communication error - Check ThinQ app connection
Manual Downloads
Current ThinQ Models
WM4000HWA
4.5 cu.ft. ThinQ Washer
WM3900HWA
4.5 cu.ft. AI DD Washer
WM3400CW
4.5 cu.ft. White ThinQ
WM9000HVA
5.8 cu.ft. Ultra Large
Popular Previous Models
WM3700HWA
4.5 cu.ft. ThinQ Washer
WM3570HWA
4.5 cu.ft. Steam Washer
WM3070CW
4.3 cu.ft. ThinQ Washer
WM2501HW
4.2 cu.ft. Basic ThinQ