Status panel with null and no data for threshold

We have Icinga2 monitoring system and we are configuring Grafana status panel to have a shared dashboard with host status, everything is working fine except when i shutdown one server to test if the host color switches to red but it says invalid number with green color (bellow screenshots), after investigation it looks like no data isn’t handled like Critical by status panel Grafana, my question is that how to define null (no data) and 0 to be critical ?



The solution is to use transformnull by setting in the graph options Line Mode to Draw Null as Zero (below the screenshot) but no i have to set mulptiple value for Critical and i don’t know how to do that.