as i am still learning i use the turn wizzard.

I fill the data in the turn wizzard and post it to mach3,then i go in the manual screen and set the beginning point for my workpiece with part zero. zero z.
Its worked perfectly no problems
But when i post a drawing with fusion360 to mach3 and setting my zero z in manual mode the program begins not even close to my workkpeace,infact my x axe goes al the way backwords + is that