Thank you for your reaction @gizmocuz
Yes, I do see all the switch changes, also the ones which aren't triggered by a script or using the lightswitch on the wall.
The strange thing is, it doesn't occur every day.
And I built the sensor inside a ceiling lightbox, so resetting isn't easy.

somebody?

nobody?

I have installed a Philio Pan04-1B via an Aeotec Z-stick to Domoticz and it works fine, I can control it via the dashboard and include it in behavioir scripts, like "Go on when sensor sees movement". The strange thing is it randomly goes on by itself and that's annoying because it switches light ...