Manual for LG ThinQ Dryer

User Manual & Installation Guide

9 kg Capacity

Installation Guide

Tools Needed:

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

Step-by-Step Installation

  1. Choose Installation Location: Select a location with proper ventilation, near electrical connection on a solid, level floor.
  2. Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dryer.
  3. Ventilation Setup: Install proper exhaust venting to outdoors using rigid or flexible metal ducting.
  4. Electrical Connection: Connect to a properly grounded 240V, 60Hz outlet. Gas models require gas line connection by qualified technician.
  5. Level the Dryer: Adjust the leveling legs to ensure the dryer is level from front to back and side to side.
  6. Connect to Washer: If stacking, follow stacking kit instructions carefully for secure installation.
  7. Test Run: Run the dryer through a complete cycle to check for proper operation and ventilation.
Warning: All installations must be performed by a qualified installer to ensure proper operation and maintain warranty coverage.

Specifications

Model Series DLEX3900W
Type Electric Dryer
Color White
Capacity 9.0 kg
Noise Level 65 dB
Control Type Touch Controls with LED Display
Energy Rating A++ (Energy Efficient)
Power Requirements 240V, 60Hz, 30A
Dimensions (HxWxD) 97 x 69 x 77 cm
Weight 61 kg
Drum Material Stainless Steel
Sensor Dry Yes

Warranty Information

  • Full Warranty: 2 years parts and labor
  • Motor Warranty: 10 years on Direct Drive Motor
  • Drum Warranty: Lifetime warranty on stainless steel drum

For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com

Key Features

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 to prevent over-drying and save energy while protecting your clothes.

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.

Steam Technology

SteamRefresh cycle reduces wrinkles and odors, refreshing clothes without washing. Steam Sanitary cycle eliminates 99.9% of bacteria and allergens.

TurboSteamâ„¢

Quickly removes wrinkles from multiple garments in just 10-20 minutes, perfect for refreshing clothes between wears.

Dual Opening Door

Reversible door opens from left or right for flexible installation options in any laundry room configuration.

Drying Programs

Cotton

Standard drying for cotton fabrics with adjustable dryness levels

Quick Dry

Fast drying for small loads in just 30 minutes

Delicates

Gentle drying for delicate fabrics and synthetic materials

Heavy Duty

Intensive drying for heavily wet items like towels and jeans

Wrinkle Care

Prevents wrinkles by tumbling clothes without heat periodically

Sanitary

High-temperature cycle that eliminates bacteria and allergens

Troubleshooting

Problem Possible Cause Solution
Dryer won't start Power issue, door not closed properly Check power supply, ensure door is latched completely
Clothes not drying Lint filter clogged, vent blocked, overloaded Clean lint filter, check vent system, reduce load size
Overheating Ventilation blocked, thermostat issue Check vent system, contact service if problem persists
Unusual noises Foreign objects in drum, worn rollers Check for foreign objects, contact service for roller replacement
Error codes displayed Various system issues Refer to error code section below
Vibration during operation Unbalanced load, uneven floor Redistribute load, level the machine

Error Codes

  • tE: Thermistor issue - Check temperature sensor
  • dE: Door not closed properly - Ensure door is fully closed
  • FE: Motor issue - Contact service center
  • LE: Motor overload - Reduce load size and restart
  • OE: Vent blockage - Check and clean vent system
  • UE: Unbalanced load - Redistribute clothes and restart

Manual Downloads

Current Model Manuals

DLEX3900W

9.0kg ThinQ Electric Dryer

DLGX3901W

9.0kg ThinQ Gas Dryer

DLEX3900B

9.0kg Black ThinQ Dryer

DLEX3900S

9.0kg Stainless ThinQ Dryer

Popular Previous Models

DLEX3700W

7.3kg ThinQ Dryer

DLEX3500W

7.3kg Electric Dryer

DLGX3901B

9.0kg Black Gas Dryer

DLEX3470W

7.3kg Steam Dryer

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