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 washtower unit.
- 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.
- Level the Washtower: Adjust the leveling legs to ensure the washtower is level from front to back and side to side.
- Test Run: Run the washtower through a complete cycle to check for leaks and proper operation.
Specifications
Model Series | WM3900HWA |
Type | Washtower Stacked Unit |
Color | White / Graphite Steel |
Washer Capacity | 4.5 cu. ft. |
Dryer Capacity | 7.4 cu. ft. |
Noise Level | 55 dB |
Control Type | Touch Controls with LCD Display |
Energy Rating | ENERGY STAR® Certified |
Water Consumption | 13 gallons per cycle |
Power Requirements | 120V, 60Hz, 15A |
Dimensions (HxWxD) | 74.5 x 27 x 31.5 inches |
Weight | 205 lbs |
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
All-in-One Design
LG Washtower combines washer and dryer in a single, space-saving unit with a streamlined design that fits perfectly in any laundry area.
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.
TurboSteamâ„¢ Technology
Refresh clothes quickly and reduce wrinkles with TurboSteam technology that uses steam to remove odors and freshen fabrics in just 20 minutes.
SmartThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
Sensor Dry System
Automatically senses moisture levels and adjusts drying time accordingly, preventing over-drying and protecting your clothes from heat damage.
Center Controlâ„¢
All controls are conveniently located in the center at eye level, making it easy to select and monitor cycles without bending or stretching.
Washer Programs
Normal
Standard wash for everyday cotton and mixed fabrics
Heavy Duty
Intensive cleaning for heavily soiled items
Delicates
Gentle cycle for delicate fabrics and hand-wash items
Quick Wash
Fast cycle for lightly soiled items (30 minutes)
Bedding
Special cycle for blankets, comforters, and bedding
Sanitary
High-temperature cycle to eliminate bacteria and allergens
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 | Lint filter clogged, overloading, incorrect cycle | Clean lint filter, reduce load size, select correct drying cycle |
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 displayed | Various system issues | Refer to error code section in manual, contact service if needed |
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
Manual Downloads
Current Model Manuals
WM3900HWA
Washtower All-in-One
WM4000HBA
Washtower Black Stainless
WM3900HCA
Washtower Graphite Steel
WM3500HWA
Washtower White
Popular Previous Models
WM3488HW
Washtower Stack Unit
WM3070HW
Washtower Combo
WM3499HVA
Washtower Ventless
WM3170HVS
Washtower Smart