Dave T

Yes, this is a limitation of the pyserial library. I have an open PR there to fix this: https://github.com/pyserial/pyserial/pull/700 At the moment if you have more than one usb serial...

@Yosha89 short term: delete or rename the custom integration folder. Behaviour will then revert to what it was before the experimental change.

I suggest: Shut down HA Unplug usb adaptor Replug usb adaptor Start HA

@Yosha89 I have updated the branch and tested it on my local setup - it works ok for me now: https://github.com/davet2001/home-assistant/tree/aurora_dataupdatecoordinator_serialexception If you find it still shows as unavailable, it...

Keep open, need to merge #72363 first. Then we can merge a PR based on the above improvement, even if not a confirmed complete fix.

@Yosha89 I don't 100% know why this occurs. I have had this happen but it is extremely rare (maybe 3-4 times all year). One thing that I have seen happen...

@incarvr6 Yes, kind of. The physical layer of the inverter is RS485, so the interfacing device would need to support that. There is a modbus(?)/TCP version available as a custom...

Sorry, I've now checked, it's serial over RS485 but not modbus.

> As per my experience (with my PR) it can be long. Mine took over 15 months and was still not processed. I'd suggest to put everything there all at...

@rianadon Yes, a function is probably only necessary if there's a need for it to change based on parameters. Could use a constant if it's needed in more than one...