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 electrical connection and proper ventilation on a solid, level floor.
- Remove Shipping Materials: Remove all shipping bolts and packaging materials from the dryer.
- Ventilation Setup: Connect the exhaust vent to a proper outdoor ventilation system. Use rigid or flexible metal ducting.
- Gas Connection (if applicable): Connect gas line using approved connectors and check for leaks with soap solution.
- Electrical Connection: Connect to a properly grounded 240V, 60Hz outlet for electric models. Do not use an extension cord.
- Level the Dryer: Adjust the leveling legs to ensure the dryer is level from front to back and side to side.
- Test Run: Run the dryer through a complete cycle to check for proper operation and ventilation.
Specifications
| Model Series | DLEX3900W |
| Type | Electric Dryer |
| Color | White |
| Capacity | 9.0 kg |
| Noise Level | 65 dB |
| Control Type | Touch Controls with LCD Display |
| Energy Rating | A++ (Energy Efficient) |
| Power Requirements | 240V, 60Hz, 30A |
| Dimensions (HxWxD) | 97 x 69 x 76 cm |
| Weight | 61 kg |
| Technology | Heat Pump Drying |
Warranty Information
- Full Warranty: 2 years 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
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.
ThinQ Technology
Wi-Fi enabled for remote control via smartphone app, allowing you to monitor cycle status, download additional programs, and receive completion alerts.
Heat Pump Technology
Advanced heat pump system recycles hot air for energy-efficient drying while being gentle on fabrics and reducing energy consumption by up to 60%.
Sensor Dry
Intelligent moisture sensors detect when clothes are dry and automatically adjust drying time, preventing over-drying and saving energy.
Steam Technology
SteamRefresh cycle removes wrinkles and odors from clothes without washing, while SteamSanitary reduces allergens and bacteria.
Dual Inverter Heat Pump
Combines inverter compressor and dual inverter motor for optimal energy efficiency and precise temperature control throughout the drying cycle.
Drying Programs
Cotton
Standard drying for cotton fabrics with adjustable dryness levels
Mixed Load
Automatic adjustment for mixed fabric types in single load
Delicates
Gentle drying cycle for delicate fabrics and synthetic materials
Quick Dry
Rapid drying for small loads or lightly damp items
Wool
Special cycle for woolen items that maintains fabric integrity
Bedding
Optimized for large items like comforters and bed sheets
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dryer won't start | Power issue, door not closed properly, start button not pressed | Check power supply, ensure door is latched completely, press and hold start button |
| Clothes not drying | Overloading, clogged lint filter, improper ventilation | Reduce load size, clean lint filter, check vent system for obstructions |
| Dryer is noisy | Foreign objects in drum, unbalanced load, worn rollers | Check for foreign objects, redistribute load evenly, contact service if noise persists |
| Error codes displayed | Sensor issues, motor problems, ventilation problems | Refer to error code list below, check ventilation, contact service if needed |
| Dryer stops during cycle | Overheating, power interruption, door opened | Check ventilation, ensure stable power supply, close door properly |
| Long drying times | Overloading, high humidity, restricted airflow | Reduce load size, check humidity levels, clean lint filter and vent system |
Error Codes
- tE: Temperature sensor error - Check temperature sensors
- dE: Door not closed properly - Ensure door is fully closed
- LE: Motor issue - Contact service center
- FE: Flooding detected - Check for water leaks
- OE: Ventilation issue - Check exhaust system
- UE: Unbalanced load - Redistribute clothes and restart
- HE: Heater error - Check heating element and thermal fuses
Manual Downloads
Current Model Manuals
DLEX3900W
9.0kg ThinQ Heat Pump Dryer
DLEX3900B
9.0kg Black ThinQ Dryer
DLEX3700W
7.3kg ThinQ Dryer
DLGX3901W
9.0kg Gas ThinQ Dryer
Popular Previous Models
DLEX3570W
7.3kg Electric Dryer
DLGX3601W
7.3kg Gas Dryer
DLEX3470W
7.0kg Electric Dryer
DLGX3401W
7.0kg Gas Dryer