Christopher Fenner

Review & merge https://github.com/home-assistant/core/pull/107994 first to ease the review.

Nice that you tested! So when I look at your first screenshot, I get the impression that you get displayed two times the same serial, am I correct? Can you...

Maybe this PR is not necessary, but https://github.com/home-assistant/core/pull/106477 will also fix the issues a lot of people have with accessing their heatings. Especially when we go for multi device support...

As discussed with @edenhaus we should strive to make all devices available with #96044 instead of giving the ability to select on. A user can always disable devices later on.

Is there anything useful in the logs?

Please note that the Viessmann API is currently unstable. Unfortunately, the integration is not that resilient that errors on the API are not propagated to the HA ui.

That's interesting, from other posts it seems that the diagnostic info in HA is also providing data. Very weird that the integration does not work for **some users**. You could...

What devices do you use? In the logs you should see something like this: ``` Setting up ViCare component [homeassistant.components.vicare] Found device: E3_TCU10_x07 (online: True) [homeassistant.components.vicare] Found device: E3_Vitocal (online:...

Do you know if both of the devices TCU and Vitocal have data points in their API response that should be display in entities in HA? Maybe simply share the...

Check the diagnostics first! Otherwise you can spare this.