i was running a 1.5 HH.357 atty in the tank , and i was getting E-2 , on the ProVari ,had it set for 3.7 v, so i lowered it to 3.5 , no error code but the atty wouldn't vape off the juice, might have been semi flooded tho. after a while i change out the atty for an HH.357 2.0,
duin ok now, no...