GONE THROUGH WITH TWO FLEXTONE 2 HD'S NOW, I GET THE SOUND I WANT, EVERYTHING IS FINE FOR A COUPLE PRACTICES THEN IT SEEMS ALL MY SETTINGS CHANGE THEMSELVES AND I HAVE TO REDO EVERYTHING / ALSO SOMETIMES MY LINE 6 4 FOOTSWITCH WON'T CHANGE TO THE CORRECT CHANNEL AND THE NEXT TIME I USE, IT WORKS GREAT ARE THESE COMMON PROBLEMS OR IS THERE AN OUTSIDE FORCE OR GRIMLINS COUSING PROBLEMS 2 AMP HEADS AND 4 SWITCH PEDALS LATER I NEED HELP