Help with Program Error

[Davie]

@Darren_Berrouard I described what Sam is referring to in this thread

Z shifts and crashes with PCNC770 - new to CNC stuff

Hey @MachineRobG , welcome to the forums. Since your new to cnc machining I’m not sure what you do it don’t know so pardon me if I state the obvious. My first two guesses are that either your tool height is bonked or you current work coordinate offset is getting changed. Your tool height could either be wrong in the offsets table or the wrong tool height offset is getting applied somewhere. Notice the green box in the gCode calls out “T3 G43 H3 M6” which applies Tool 3 with Height 3 applied t…