Notification when a device does not respond

[Peter_Kawa]

What are you looking for, René? There’s several scripts for checking on “last report” info. You can use right away.
This for example

@Peter_Kawa

Sensor (or any device) Connection Check.

Sometimes, you’ll discover a sensor or other device doesn’t report it’s status or value anymore, but it does NOT notify you of being offline…

Well, this flow checks the, most recent update time of your sensors.
You can run the flow every day, twice a day, just add or remove a time triggercard.
The ‘inactive time’ can be edited as well (24hrs as default) and you can choose to not send notifications when all sensors did report inside the ‘inactive timer’ timeframe.

…

Full post with importable flow → click me