What to do if your screen displays a 'filter not sealed' message on your Dyson V11™ cordless vacuum - YouTube
Dyson V11 Filter Light Flashing-How To Fix It Easily-Tutorial - YouTube
Dyson Filter Smells (even after washing) - Vacuumtester
Amazon.com: 3 PACK Filter Replacement for Dyson V12 Detect Slim Cordless Vacuum and V12 Slim Vacuums, Compare to Part 971517-01(NOT for SV12 & V15 Vacuum) : Home & Kitchen
Fix: Dyson V11 / V12 Not Working After Cleaning or Washing Filter
Dyson DC58 Troubleshooting - iFixit
Replacement Filter for Dyson V11 Cordless Vacuum Cleaner, V11 Torque Drive, V11 Animal and SV14, Replace Part #970013-02 Washable and Reusable Hepa Filter : Amazon.de: Home & Kitchen
Just changed to brand new filters on TP04 but error won't go away. : r/dyson