KNX rule does not work

Welcome! You are running with 100km/h on the new OH2 “highway” :slight_smile: and made some small mistakes.

Test_FL or KNX_Test_FL ? What is the name (not label) of the Item that you created in PaperUI? (the one that works on the control tab of PaperUI)

rule "TEST"
when
	Time cron '0 28 12 ? * MON-SUN'
then
	KNX_Test_FL.sendCommand(ON)
end

Since you are using the KNXv2 Binding, you need to use channel for the binding config (the knx= is the syntax for the older KNXv1 binding)

Read more here:

  1. KNX - Bindings | openHAB
  2. Rules | openHAB
  3. https://www.openhab.org/docs/configuration/sitemaps.html
  4. How to use code fences