Hi Paul,
I don't have a solution but you are not alone - I have been having this problem since my BV7-40 Mk3 software was upgraded to the latest version last week.
If I get a solution I will post it here for you!
Cheers,
Martin
BV7-40MK4BR,7-32,6-22,6-23,6-26,BSnd5,9000,BLab9,3,4000,2,BCom2,6000,Btalk1200,LC2s,Lutron