LG True Steam Inverter Direct Drive Washer

User Manual & Installation Guide

True Steam Technology

Installation Guide

Tools Needed:

  • Adjustable wrench
  • Level
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Tape measure

Step-by-Step Installation

  1. Choose Installation Location: Select a location near necessary plumbing and electrical connections on a solid, level floor.
  2. Remove Shipping Materials: Remove all shipping bolts and packaging materials from the washing machine.
  3. Connect Water Supply: Connect hot and cold water supply lines to the water inlet valves. Use only new hoses.
  4. Connect Drain Hose: Route the drain hose into a standpipe or laundry tub with a high loop to prevent backflow.
  5. Electrical Connection: Connect to a properly grounded 120V, 60Hz, AC only outlet. Do not use an extension cord.
  6. Level the Washing Machine: Adjust the leveling legs to ensure the washing machine is level from front to back and side to side.
  7. Test Run: Run the washing machine through a complete cycle to check for leaks and proper operation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Series WM3900HWA
Type Front Load Washing Machine
Color White / Graphite Steel
Capacity 5.2 cu. ft.
Noise Level (Wash/Spin) 52 dB / 68 dB
Control Type Touch Controls with LED Display
Energy Rating ENERGY STAR® Most Efficient
Water Consumption 13.5 gallons per cycle
Power Requirements 120V, 60Hz, 15A
Dimensions (HxWxD) 39 x 27 x 30 inches
Weight 205 lbs
Max Spin Speed 1300 RPM

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

True Steam Technology

Advanced steam technology removes tough stains, reduces allergens, and refreshes clothes without washing, using less water and energy.

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.

Inverter Technology

The advanced inverter motor provides precise control over washing motions, resulting in better cleaning with less damage to fabrics and reduced energy consumption.

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.

TurboWash™ 360°

This feature saves time without compromising cleaning performance, washing a full load in just 30 minutes using powerful jet sprays and optimized drum rotations.

SmartThinQ Technology

Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.

True Steam Functions

Steam Refresh

Removes wrinkles and odors from lightly worn clothes in just 20 minutes

Allergy Care

Steam cycle reduces common allergens by over 95%

Sanitary Cycle

Steam and hot water combine to eliminate bacteria and germs

Stain Removal

Pre-treats tough stains with steam before washing cycle

Quick Steam

Steam-only cycle for quick refreshing of garments

Hybrid Dry

Combines steam and tumbling for faster, gentler drying

Troubleshooting

Problem Possible Cause Solution
Steam function not working Water supply issue, steam generator problem Check water supply, ensure steam settings are enabled
Poor cleaning results Overloading, wrong detergent, incorrect program Reduce load size, use correct detergent, select appropriate program
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
Steam smell Mineral buildup, need cleaning Run cleaning cycle, use descaling solution 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
  • SE: Steam error - Check water level and steam generator

Manual Downloads

True Steam Model Manuals

WM3900HWA

5.2 cu.ft. True Steam Washer

WM4000HBA

4.5 cu.ft. True Steam Washer

WM4200HWA

4.8 cu.ft. ThinQ Steam Washer

WM3900HCA

5.2 cu.ft. Graphite Steam Washer

Popular Steam Models

WM3700HWA

4.5 cu.ft. Steam Washer

WM3470HVA

4.5 cu.ft. Steam Washer

WM3800HWA

4.5 cu.ft. ThinQ Steam Washer

WM3500HWA

4.5 cu.ft. Basic Steam Washer

Note: For models not listed here, please visit the LG Support Website for complete documentation.