Hello and thank you for having this forum.
We have a dc24 all floors and having an issue of losing suction.
On the right side of the container there is a small valve at the top that keeps popping open and resulting in no suction.
I have gone thoroughly through the maintenance and cleaned everything and checked for clogged or jammed hoses etc.
It seems like maybe there is supposed to be something that connects to it or is it supposed to be open??
Thank you for any advice you can supply.