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 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 exhaust venting for the dryer according to local building codes and manufacturer specifications.
- Electrical Connection: Connect to properly grounded 120V, 60Hz, AC only outlets. Do not use extension cords.
- 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 and proper operation.
Specifications
| Model Series | WM3997HWA / DLE3997W |
| Type | Front Load Washer and Electric Dryer |
| Color | White / Graphite Steel |
| Washer Capacity | 4.5 cu. ft. |
| Dryer Capacity | 7.4 cu. ft. |
| Noise Level (Washer) | 53 dB / 70 dB |
| Control Type | Touch Controls with LCD Display |
| Energy Rating | ENERGY STAR® Certified |
| Washer Water Consumption | 13.5 gallons per cycle |
| Power Requirements | 120V, 60Hz, 15A (Washer) / 240V, 30A (Dryer) |
| Dimensions (HxWxD) | 74 x 27 x 32 inches (stacked) |
| Weight | 205 lbs (Washer) / 125 lbs (Dryer) |
| Max Spin Speed | 1300 RPM |
Warranty Information
- Full Warranty: 1 year parts and labor
- Motor Warranty: 10 years on Direct Drive Motor
- Dryer Drum Warranty: 10 years limited
- Additional Coverage: Optional extended warranty available
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
Direct Drive Motor
LG's innovative Direct Drive motor connects directly to the drum without belts or pulleys, reducing noise and vibration while increasing reliability and efficiency for both washer and dryer.
Inverter Heat Pump Dryer
Energy-efficient heat pump technology recycles hot air to dry clothes using less energy while being gentler on fabrics compared to conventional drying methods.
6 Motion DD Technology
Six different wash motions can be combined to provide the optimal wash for any fabric type, from gentle handling of delicates to powerful cleaning of heavily soiled items.
Steam Technology
Steam technology in both washer and dryer helps to remove tough stains, reduce allergens, minimize wrinkles, and refresh clothes without washing.
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts for both units.
TurboWash™ & TurboSteam™
TurboWash saves time without compromising cleaning performance, while TurboSteam quickly refreshes clothes and reduces wrinkles in the dryer.
Washer Programs
Normal
Standard wash for everyday cotton and mixed fabrics
Heavy Duty
Intensive cleaning for heavily soiled items and sturdy fabrics
Delicates
Gentle cycle for delicate fabrics like silk and lace
Quick Wash
Fast cycle for lightly soiled items (30 minutes)
Bedding
Special cycle for blankets, comforters, and bed linens
Sanitary
High-temperature cycle to eliminate bacteria and allergens
Dryer Programs
Auto Dry
Automatically senses moisture and stops when clothes are dry
Timed Dry
Manual drying with selectable time settings
Wrinkle Care
Gentle tumbling with steam to reduce wrinkles
Quick Dry
Fast drying cycle for small loads
Delicates
Low heat setting for delicate fabrics
Sanitary
High heat cycle to eliminate bacteria and allergens
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Units won't start | Power issue, door not closed properly | Check power supply, ensure doors are latched completely |
| Poor cleaning results | Overloading, wrong detergent, incorrect program | Reduce load size, use correct detergent, select appropriate program |
| Clothes not drying properly | Overloading, clogged lint filter, ventilation issues | Reduce load size, clean lint filter, check vent system |
| Water not draining | Drain hose clogged or kinked | Check drain hose for obstructions or kinks, clean 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 |
| Vibration during operation | Unbalanced load, uneven floor, shipping bolts not removed | Redistribute load, level the 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
- UE: Unbalanced load - Redistribute clothes and restart
- tE: Thermistor error - Check temperature sensors
- HE: Heater error - Check heating elements
Manual Downloads
Current Model Manuals
WM3997HWA
4.5 cu.ft. Smart Washer
DLE3997W
7.4 cu.ft. Electric Dryer
WM3900HWA
4.5 cu.ft. Washer
DLGX3901W
7.4 cu.ft. Gas Dryer
Popular Previous Models
WM3470HVA
4.5 cu.ft. Washer
DLE3470W
7.3 cu.ft. Electric Dryer
WM3670HVA
4.5 cu.ft. Smart Washer
DLGX3671W
7.3 cu.ft. Gas Dryer