Filter attachment indicator
If the filter isn't correctly fitted, the machine will not turn on when pressing the trigger.
![](/medialibrary/Images/Dyson/Support/Online_help/SV14---V11/Display_Alerts.ashx)
To fit, ensure the filter unit is on the main body and twist clockwise until it clicks into place.
![](/medialibrary/Images/Dyson/Support/Online_help/SV14---V11/Filter_Secure.ashx)
Press and hold the trigger for 10 seconds.