LG DLEX4000B dryer not drying

Tools

• Vacuum
• Vent brush
• Flashlight

Steps

1. Clean the lint filter and confirm it is seated correctly.
2. Inspect the exhaust duct behind the dryer for crushing, lint buildup, or excessive length.
3. Check that the outside vent hood opens and is not blocked.
4. Use an appropriate load size and drying cycle.
5. If airflow errors or poor drying continue after venting is clear, stop testing and request service.

Sources

LG Dryer Not Drying support page; LG DLEX4000B Owner's Manual, pages 42-43 and 50-53

• LG DLEX4000B Owner's Manual
• Official LG support page