without the Item config… noone can help 
when posting configs: use code fences !!!
I suspect it is because the IHC controller, that sends the “Alarm status” ON/OFF signal, only update openhab items when status has changed in the IHC. Then if i restart Openhabian, it will read “NULL” until the IHC status changes and send updated state to Openhab. It could be nice, if openhab could read the current status and update from IHC, when restarting.
All Items will come up with state NULL when OH2 starts up for the first time (no need to restart your system)
Immediately after startup, the Items will be updated from their bindings.
You can also use a persistence service (e.g. MapDB) to perform restoreOnStartup.
The service will store the last state and restore it back to the Items (before they get binding updates)
The binding updates will arrive based on your specific configuration. It may be based on an interval or immediate.
Well. Thank you very much for your help. It is now working like a charm. I have been strugeling with this for a week or so now. I apriciate 
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