Oh yeah ! :)
It works ! Thanks all for your help !

In conclusion:
The issue not came from my z-stick but from ALL my relays ^^
They was still connected to old network.
I read the manual, but misunderstood the trick about main power !
I was thinking I had to do handling with power on...

As you ...

Thank you !
Despite all my research, I did'nt see this topic !

Do I understood correctly: A relay cannot be include to a new z-wave network if it still include to a first one ?
(It is not the case with my rfxcom sensors/switchs)

I already tried to reconfigure my relay. So I think I do mistake.

I ...

Hi all,

First of all; my configuration:
Domoticz installed on a Raspberry Pi.
Aeon Z-stick Gen5 USB Z-wave Plus
Fibaro Relay Switch FGS 212 on each radiator

On initial situation, all working well, my home temperature is managed by Domoticz.

Last week end, a lot of power failure has broken the ...