I went to use my ROAM the other day and it isn’t paired with app - can’t find it!  Tried to connect it but NO. Haven’t changed router. Rebooted router, etc. as per the help sheets. My ROAM has the orange / red light at the bottom on or flashing. There is no response to the back button when it is pressed. No sound - chime to start or turn off. It doesn’t turn off! I can only get the orange / red light. Is the ROAM faulty?  The app seems to be working - have started it a number of times and there is no change. I think it is the speaker itself. Any suggestions?