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 System: Route the washer drain hose into a standpipe or laundry tub with a high loop to prevent backflow.
- Ventilation Setup: Install proper ventilation ducting for the dryer, ensuring minimal bends and proper exhaust to outdoors.
- Electrical Connection: Connect to properly grounded 120V, 60Hz, AC only outlets. Do not use extension cords.
- Gas Connection: For gas dryer models, connect to gas supply line using approved connectors (professional installation recommended).
- 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
Washer Specifications
| Model Series | WM4000HWA |
| Type | Front Load Washer |
| 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® Most Efficient |
| Water Consumption | 8,200 L/year |
| Power Requirements | 120V, 60Hz, 15A |
| Dimensions (HxWxD) | 39 x 27 x 33 inches |
| Weight | 205 lbs |
| Max Spin Speed | 1300 RPM |
Dryer Specifications
| Model Series | DLEX4000W |
| Type | Electric/Gas Dryer |
| Color | Graphite Steel / White |
| Capacity | 7.4 cu. ft. |
| Noise Level | 62 dB |
| Control Type | Touch Controls with LCD Display |
| Energy Rating | ENERGY STAR® Qualified |
| Power Requirements | 240V, 60Hz, 30A (Electric) / 120V, 60Hz (Gas) |
| Dimensions (HxWxD) | 39 x 27 x 32 inches |
| Weight | 125 lbs |
| Drying Technology | Sensor Dry System |
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
ThinQ Technology
Smart connectivity allows remote control, monitoring, and diagnostics via smartphone app. Receive notifications and download new cycles.
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
Steam technology in both washer and dryer helps remove tough stains, reduce allergens, and refresh clothes without washing.
Sensor Dry System
Advanced moisture sensors detect when clothes are dry and automatically shut off, preventing over-drying and saving energy.
6 Motion DD Technology
Six different wash motions provide optimal cleaning for any fabric type, from gentle handling to powerful stain removal.
ColdWash™ Technology
Advanced cold wash technology provides effective cleaning in cold water, saving energy while maintaining cleaning performance.
Smart ThinQ Features
Remote Start
Start and monitor cycles remotely from your smartphone anywhere
Cycle Download
Download additional wash and dry cycles as they become available
Diagnostics
Smart diagnostics can identify issues and suggest solutions
Usage Monitoring
Track energy and water usage to optimize efficiency
Voice Control
Compatible with Amazon Alexa and Google Assistant for voice commands
Maintenance Alerts
Receive notifications for filter cleaning and maintenance needs
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Units won't start | Power issue, door not closed properly, child lock enabled | Check power supply, ensure doors are latched, check child lock settings |
| Poor cleaning results | Overloading, wrong detergent, incorrect program selection | Reduce load size, use HE detergent, select appropriate program |
| Clothes not drying properly | Lint filter clogged, ventilation issues, overloading | Clean lint filter, check ventilation, reduce load size |
| Water not draining | Drain hose clogged or kinked, pump filter blocked | Check drain hose for obstructions, clean pump filter |
| Unusual noises | Foreign objects in drum, unbalanced load, installation issues | Check for foreign objects, redistribute load, verify proper installation |
| ThinQ app not connecting | Wi-Fi issues, incorrect setup, firmware update needed | Check Wi-Fi connection, re-run setup, check for firmware updates |
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 - Contact service center
- UE: Unbalanced load - Redistribute clothes and restart
Manual Downloads
Current ThinQ Models
WM4000HWA
4.5 cu.ft. ThinQ Washer
DLEX4000W
7.4 cu.ft. ThinQ Dryer
WM3900HWA
4.5 cu.ft. Smart Washer
DLE3900W
7.4 cu.ft. Smart Dryer
Popular Combo Models
WM3488HW
Washer Dryer Combo
WM3998HWA
Large Capacity Combo
WM3500CW
Compact Combo Unit
WM3700HWA
Stackable Combo