I was rehearsing with my band and suddenly my Helix went silent (no sound coming out from the ¼’’ output). Tuner doesn’t respond either so I assume there is some kind of problem with the input.  Tried to connect different guitars and various cables in order to make sure there was signal feed in the guitar input of the Helix. All features and menus seem to work fine. I can navigate through presets and settings. I created a support ticket and I am waiting for a reply. I also tried to re