on or off

Hi There, I just acquired an Hyperstrada 821 currently equipped with Michelin Road 4 tires. While these are fine for my commute in the city of Hanoi, i also intend to go offroad couple of times a year on bumpy and narrow (sometimes a bit muddy) mountain tracks in the North of Vietnam. I was...

Has anyone had this issue? Reversed the bike out of the garage after turning key and watching dash go through usual self check. At the end of the drive I twist the bars and reverse the bike through 90' Look down at the dash and it's gone blank. Engine start button non-responsive. Roll...