Hi, could anyone please tell me why my display will do nothing but turn on the bike and that is it. Let me explane, the bike will turn on with the display but it won't do anything else. It dosn't tell me what speed i'm doing nor does the pedal assist have any affect, everything is new and it's a self build not a factory built. Everything works as normal like i can use pedal assist and the throttle but it just dosn't do anything on the display apart from turn it on. I have tried to use a different display but it still does the same, very confusing. Can anyone shed any light on this situation. Any help is greatly appresiated thanks.