I work for a small company running and maintaining 4 CNC machines, 1 of the bar feeders has a huge problem, when the program begins to run it faces the tool, then it is supposed to bring the bar to z .06 and stop then begin another phase of cuts, instead it continues to push the bar and break the tooling and error out, the strange thing is i have this program on 2 other identical machines and they run without this issue, also it only happens randomly, it can make 10k parts without doing this and then it just happens... im thinking its a sensor issue of some sort possibly, i do not have schooling to run these machines I only know what ive been taught and learned through trial and error, any help would be great... Thank You... The bar feeder is a Genius 120/37 made by IEMCA