Hmmmmmm strange....... switching off seems related to this message: ´Error executing uvccapture command. returned: 32512´
When I look in setup-more option-camera there is a camera defined. UVCCAMERA and a file uvccapture. I pointed this to an existing IP. So now I don´t have the error anymore.

I ...

i have also the same problem.
DZVENTS is switching off randomly ... started when i did an update to
dzVents Version: 2.4.19

If i enable it, it will run for hours and than........... switch off.
I am running on a Raspb Py

Version: 4.10717
Build Hash: b38b49e5
Compile Date: 2019-05-09 13:04:08 ...