I recommend giving Jerzy Drozd's setup guide a thorough reading. It will explain the entire process and the science behind it. If your issues persists after that, take it to a respected tech, it might need fretwork.
Carvin LB76 / Dingwall ABZ ! Support Local !
MarkBass SD 800
Epifani UL2-310 / fEARful 1212/6
! Rocking against all gods !