Check if communication with a device is possible

[ckh 0]

After a 3 weeks holiday where the power was shut down due to unknown reasons some of my devices had communication problems. in HC2 I just needed to press the "Restore communication" hover over the devices to get everything working. I now however would also to programmatic check if I device is receiving messages, because some of my scene's didn't run correctly. Therefore my question:

 

Can you also check if a device is receiving messages (without changing states or such)?

For example: how to add such a check to a routine like:

 

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[cag014 731]

That's exactly what I trying to do.. please see topic below

You can use suggested scene or to write your own solution based on this code.

Let me know if you need further help