LG DLEX3900W how to clean the lint filter
After every cycle, and when drying takes longer than usual.
Steps
WARNING
Unplug the appliance before cleaning.
Marked WARNING by the manufacturer Source: Maintenance, p. 48
- Open the dryer door and pull the lint filter straight up.
- Roll the lint off the filter with your fingers, or vacuum the filter.
- If the filter is very dirty or clogged with fabric softener, wash it in warm, soapy water and let it dry thoroughly before putting it back.
Source: Maintenance: Cleaning the Lint Filter Source: Maintenance: Cleaning the Lint Filter, pp. 48-49
Used for
Other DLEX3900W procedures
- How to turn off Control Lock on the DLEX3900WWhen the buttons beep and nothing happens, or CL shows in the display.
- How to turn off Control Lock on the DLEX4000WWhen the buttons beep and nothing happens, or CL shows in the display.
- How to save a custom program on the DLEX3900WTo reuse a combination of settings.
Sources
- Owner's Manual, Dryer DL*X390**. LG Electronics Inc. Document MFL70442672, revision Rev.00, 2024-02-26, 64 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
- Owner's Manual, Dryer DL*X400** / DL*X408**. LG Electronics Inc. Document MFL70442676, revision Rev.02, 2026-06-25, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 12 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.