Thanks,
Will re-check the wirering next time.
In this case, there is no reaction at all to the BL1000 at the transciever - not even a flickering in the LED. Only when pushing mute on the panel there is a reaction in the relay in the X-tra box.
We have had the speakers connected directly to the ML/MCL and the masterlink to the Ouverture, no sound from the extra speakers at all - should there have been any sound ?
Can the ML/MCL be faulty ?