Installation Guide
Tools Needed:
- Adjustable wrench
- Level
- Screwdrivers (flat and Phillips)
- Pliers
- Tape measure
- Gas line connector (for gas dryer models)
Step-by-Step Installation
- Choose Installation Location: Select a location near necessary plumbing, electrical, and ventilation connections on a solid, level floor.
- Remove Shipping Materials: Remove all shipping bolts and packaging materials from both washer and dryer units.
- Connect Water Supply: Connect hot and cold water supply lines to the washer's 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 washer to a properly grounded 120V, 60Hz, AC only outlet. Dryer requires 240V outlet for electric models.
- Ventilation Setup: Install proper ventilation ducting for dryer, ensuring minimal bends and proper exhaust to outside.
- Level the Units: Adjust the leveling legs to ensure both washer and dryer are level from front to back and side to side.
- Test Run: Run both units through complete cycles to check for leaks, proper operation, and ventilation.
Specifications
| Model Series | WM4000HWA / DLEX4000W |
| Type | Front Load Washer & Electric Dryer |
| Color | White / Graphite Steel |
| Washer Capacity | 4.5 cu. ft. |
| Dryer Capacity | 7.4 cu. ft. |
| Noise Level (Washer) | 52 dB / 68 dB |
| Control Type | Touch Controls with LCD Display |
| Energy Rating | ENERGY STAR® Certified |
| Washer Water Consumption | 13 gallons per cycle |
| Power Requirements | 120V Washer / 240V Dryer |
| Dimensions (HxWxD) | Washer: 39 x 27 x 32 in / Dryer: 39 x 27 x 32 in |
| Weight | Washer: 205 lbs / Dryer: 125 lbs |
| Max Spin Speed | 1300 RPM |
Warranty Information
- Full Warranty: 1 year parts and labor
- Motor Warranty: 10 years on Direct Drive Motor
- Drum Warranty: 10 years on stainless steel drum
- 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, receive alerts, download cycles, and diagnose issues remotely.
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the drum without belts, reducing noise and vibration while increasing reliability.
TurboSteam™ Technology
Refresh clothing and reduce wrinkles using steam technology in both washer and dryer for fresh, ready-to-wear clothes.
Sensor Dry System
Automatically senses moisture levels and adjusts drying time to prevent over-drying and save energy.
6 Motion DD Technology
Six different wash motions provide optimal cleaning for any fabric type, from gentle handling to powerful stain removal.
EasyLoad™ Door
Wide opening door with low placement makes loading and unloading both washer and dryer easier and more convenient.
Smart ThinQ Features
Remote Start
Start cycles remotely from your smartphone or voice assistant
Cycle Monitoring
Monitor cycle progress and receive completion alerts
Diagnostics
Receive troubleshooting guidance and error code explanations
Software Updates
Automatic updates with new features and cycle options
Energy Monitoring
Track energy and water usage for efficiency optimization
Custom Cycles
Download and create custom washing and drying programs
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Units won't start | Power issue, door not closed properly, child lock engaged | Check power supply, ensure doors are latched, disable child lock |
| Poor cleaning/drying results | Overloading, wrong settings, clogged filters | Reduce load size, select appropriate cycles, clean lint filter |
| Water not draining | Drain hose clogged or kinked, pump filter blocked | Check drain hose, clean pump filter, ensure proper installation |
| ThinQ app not connecting | Wi-Fi issues, incorrect setup, outdated app | Check Wi-Fi connection, reinstall app, ensure proper setup |
| Unusual noises | Foreign objects, unbalanced load, installation issues | Check for objects, redistribute load, verify proper installation |
| Excessive vibration | Unbalanced load, uneven floor, shipping materials not removed | Redistribute load, level units, ensure shipping bolts removed |
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
- tE: Temperature sensor error - Check dryer heating system
- PF: Power failure - Unit paused due to power interruption
Manual Downloads
Current ThinQ Models
WM4000HWA
4.5 cu.ft. ThinQ Washer
DLGX4001W
7.4 cu.ft. ThinQ Dryer
WM3900HWA
4.5 cu.ft. Smart Washer
DLGX3901W
7.4 cu.ft. Smart Dryer
Popular Combo Models
WM3488HW
Washer Dryer Combo
WM3997HWA
Center Control Washer
DLGX3901B
Graphite Steel Dryer
WM3500CW
Compact ThinQ Washer