Hey, habib, no help here, but I, too, have something odd, loosely related (very loosely.) *
I have a Wasserstein dumb PIR floodlight with a v2 mounted below inside its incorporated ‘weather house.’
When I access the v2 livestream (or SD footage) it usually turns the floodlight on. 
* Hell, I’ll take a stab at it. The siren fucntion draws a lot of power and the surge broke a flawed circuit string on the power board. 