I have been using my Aero tank Mega , Aspire SubOhm tank , Delta 2 SubOhm Tank , I keep getting (protection) msg and most of all (Atomizer Short) I have all new heads on all my tanks and all new juice 70/30 mix , I can't figure out wth is wrong with it , I take a puff and with in .5 sec it quits and gives me a msg of (protection ) or (Atomizer Short , I've cleaned the brass plate that the atomizers sit on , and still nothing .