YW!
I see! That changes things significantly; Now I don’t know if Athom would feel like / be able to pull that trick as well.
Very odd, I use it for over 4 years now, besides the occasional hickup (~2 times a year), which is device related (red ledring and such). I use a Pro2019 (wifi) btw.
Maybe with your HW P1 the adjustments / customisation for M-Bus are flaky?
It’s important to reserve IP addresses for both HW P1 as Homey, while Homey is very poor in finding devices which got their IP changed.
And all hints in this post are important.
