LG DLE7400WE flow Sense

Flow Sense indicator showing four bars or lit during the cycle. The dryer has detected a restriction in the outside exhaust duct. The dryer still runs, but drying takes longer and uses more energy.

Cause 1 of 4The exhaust system is too long or has too many turns or restrictions. Source: Troubleshooting: Operation, p. 51

First checkInstall a shorter or straighter duct run, as described in the installation instructions.

Causes and checks

  1. The exhaust system is too long or has too many turns or restrictions. Source: Troubleshooting: Operation, p. 51

    1. Install a shorter or straighter duct run, as described in the installation instructions.
  2. Lint or a foreign object partly blocks the ductwork. Source: Troubleshooting: Operation, p. 51

    Qualified technician Have the ductwork checked and cleaned right away. The dryer can be used in this condition, with longer drying times and higher energy use.
  3. The indicator stays on for 2 hours after the end of a cycle when a restriction was sensed. Source: Troubleshooting: Operation, p. 51

    1. Open the door or press the Power button to turn the display off.
  4. The indicator is still on after the restriction was cleared. Source: Troubleshooting: Operation, p. 52

    1. Run several consecutive cycles. Flow Sense needs them to confirm that performance has improved before it resets.
    LG Customer Information Center If the indicator is still on after more than five cycles, contact LG service. Contact: 1-800-243-0000 or lg.com/us/support.

Service

If the checks above do not clear it, contact LG Customer Information Center: 1-800-243-0000, lg.com/us/support. United States. Source: Limited Warranty: To Obtain Warranty Service, pp. 57, 60

Other DLE7400WE indicators

Sources

  1. Owner's Manual, Dryer DL*730**E / DL*740**E. LG Electronics Inc. Document MFL70442690, revision Rev.00, 2024-02-28, 60 pages, en-US. gscs-b2c.lge.com. Listed on the manufacturer's support page. Retrieved 13 November 2026.

Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.

Applies to
DLE7400WE (variant DLG7401WE). United States.
Source
Owner's Manual, Dryer DL*730**E / DL*740**E, MFL70442690 revision Rev.00, 2024-02-28
Last verified
Handbook
LG DLE7400WE electric dryer and DLG7401WE gas dryer in Dryers; all LG handbooks