Hello all, Just wanted to say thanks to all on this thread who have given their input to resolve the 1.9.1 issue. I have been able to revert them all back to 1.7.8, and the system is now working...

@David-TP I fully agree, i have about x14 Decos M5 Spread around a big place and all was fine on 1.7.8. Since I upgraded to 1.9.1, both my systems have gone haywire. My Decos are making noises,...