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LG Washer — Model WM3900HWA

LG WM3900HWA TurboWash 360 Front Load Washer

TurboWash 360 Series

The LG WM3900HWA combines TurboWash 360 technology with LG's Direct Drive motor for a faster, gentler wash. A top-selling LG front-load washer that we service daily.

4.5 cu. ft.
White
2019–present
🫧

WM3900HWA

WM3900HWA Key Features

TurboWash 360 – cleans a full load in 30 minutes

6Motion Technology – 6 different wash motions for gentle yet effective cleaning

AI DD – Artificial Intelligence senses load characteristics and optimizes wash motion

Built-in WiFi / LG ThinQ app compatible

ENERGY STAR certified

14 wash programs including Steam

Direct Drive Motor – 10-year limited warranty

Technical Specifications

Capacity 4.5 cu. ft.
Dimensions 27" W × 38.7" H × 30" D
Voltage 120V / 60Hz
Max RPM 1300 RPM
Water Connection Hot & Cold
Warranty 1-yr labor, 3-yr direct drive, 10-yr motor
Repair Guide

Common WM3900HWA Problems

Issues reported by technicians who have serviced this model. All are repairable with genuine LG OEM parts.

OE drain error after heavy loads

dE door latch not engaging after 3+ years of use

LE motor lock on overloaded cycles

Mold and odor in door boot gasket

TurboWash not completing within 30 minutes

Diagnostic Reference

WM3900HWA Error Codes

  • TurboWash 360 – cleans a full load in 30 minutes
  • 6Motion Technology – 6 different wash motions for gentle yet effective cleaning
  • AI DD – Artificial Intelligence senses load characteristics and optimizes wash motion
  • Built-in WiFi / LG ThinQ app compatible
  • ENERGY STAR certified
  • 14 wash programs including Steam
  • Direct Drive Motor – 10-year limited warranty

Is Your WM3900HWA Worth Repairing?

LG appliances are engineered to last 10–15 years. Most repairs cost far less than replacement and restore your appliance to factory performance. We provide a free written estimate — you decide before any work begins.

10–15
Year lifespan
90 days
Parts & labor warranty
Free
Written estimate
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Other LG Washer Models We Service

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Free diagnosis with repair — no hidden fees
Same-day and next-day appointments available
Factory-certified technicians, genuine OEM parts
90-day parts and labor warranty on every job

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