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 washer dryer combo.
- 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 240V, 60Hz, AC only outlet. Do not use an extension cord.
- Ventilation Setup: Install proper ventilation ducting for drying function according to local building codes.
- Level the Unit: Adjust the leveling legs to ensure the washer dryer combo is level from front to back and side to side.
- Test Run: Run both washing and drying cycles to check for leaks and proper operation.
Specifications
| Model Series | WM3997HWA |
| Type | Front Load Washer Dryer Combo |
| Color | White / Graphite Steel |
| Wash Capacity | 4.5 cu. ft. |
| Dry Capacity | 4.5 cu. ft. |
| Noise Level (Wash/Dry) | 55 dB / 65 dB |
| Control Type | Touch Controls with LED Display |
| Energy Rating | ENERGY STAR® Certified |
| Water Consumption | 8,200 L/year |
| Power Requirements | 240V, 60Hz, 30A |
| Dimensions (HxWxD) | 74 x 27 x 28.5 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
- 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
All-in-One Design
Combines washing and drying functions in a single unit, saving space and eliminating the need to transfer laundry between machines.
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.
ThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
Steam Technology
Steam technology helps to remove tough stains, reduce allergens, and minimize wrinkles, leaving clothes fresh and hygienically clean.
Sensor Dry System
Automatically senses moisture levels and adjusts drying time accordingly, preventing over-drying and saving energy.
TurboWash™
This feature saves time without compromising cleaning performance, washing a full load in just 30 minutes using powerful jet sprays.
Wash Programs
Normal
Standard wash cycle for everyday laundry 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
Rapid cleaning cycle for lightly soiled items in 15-30 minutes
Sanitary
High-temperature cycle to eliminate bacteria and allergens
Bedding
Special cycle for bulky items like comforters and bed sheets
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit won't start | Power issue, door not closed properly | Check power supply, ensure door is latched completely |
| Poor cleaning results | Overloading, wrong detergent, incorrect program | Reduce load size, use correct detergent, select appropriate program |
| Clothes not drying properly | Overloading, lint filter clogged, ventilation issue | Reduce load size, clean lint filter, check ventilation 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 |
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: Temperature sensor error - Contact service center
Manual Downloads
Current Model Manuals
WM3997HWA
4.5 cu.ft. ThinQ Washer Dryer Combo
WM3900HWA
4.5 cu.ft. Steam Combo
WM4000HWA
4.8 cu.ft. ThinQ Combo
WM3488HW
2.3 cu.ft. Compact Combo
Popular Previous Models
WM3998HBA
4.5 cu.ft. Black Combo
WM3670HWA
4.5 cu.ft. White Combo
WM3455HW
2.3 cu.ft. White Combo
WM3170CW
2.3 cu.ft. Compact Combo