Use a Contact together with a Group of Switch

[rossko57]

@helipus

But I want this Contact to behave like a Switch.

It cannot.
Maybe this helps, depends what very complicated scenario is about

[SOLVED] How to sum up alarm events

Hello Being a true openHAB fan I use it also for reporting and alarming several states in the house. I have grouped all alarms via Group:Switch:OR(ON,OFF) alarm "Alarm states [%s]" <siren> and added all items with the corresponding state to that group. So as soon as one of the items belonging to that group is switched ON the alarm is set and its also counted how many are in alarm state. But now I also want to include doors with state “OPEN, CLOSE” to that group which doesn’t work. Is there a…

Otherwise, you can create a dummy virtual Switch Item, and have a rule update its state from the Contact Item.

@helipus

I also tried with a transform (Map Transformation

Never going to work, this only affects display, not actual Item state.

The errors mentioned don’t really seem to relate to your Group issue, but maybe you are sending commands via Group which Contact Items cannot handle.