How to change color or display "Error" when telegraf send no data


I have a problem with my InfluxDB - Grafana Monitoring System.

If a device (i.e. a Switch) is unplugged, Grafana doesn’t receive data and does nothing. But I want to show “ERROR” instead of the Graph or if this isn’t possible, I just want to change the color to red.

When there is no data it just looks like this:

Thanks for the help.


welcome to the :grafana: forum, @thepixeled

you can accomplish this using value mapping: