Centroid Community CNC Support Forum

I'm assuming you are using shielded power cable between the vfd and the spindle motor and that at least one end of the shield is properly grounded?

Contact Centroid Support. I believe they have a $200 swap out program for Acorn. Send your old board in, and they will send,a new one with a new license.

Tech support bulletin 270 has a lot of great information.
https://centroidcnc.com/centroid_diy/te ... browse.php

Parameter 40 controls the basic jog increment. If you will post a machine report, we can see you current configuration and offer some advice.

That means your home switches are not very repeatable. Do you have a tool changer or fixed probe that rely on machine coordinates? If not, no harm will come from hetting yes,and accepting the new home position.

If you were midway through a part, you will need to re-indicate the part position and ...

FYI, the finish cut has nothing to do with it. The,face passes are included because I programmed a feedrate move from 12mm to -0.2mm diameter. Delete line,6 and they will go away. ChatGPT is worth exactly what you paid for it. If you remove the finish pass, the face cuts will remain since they are ...

If you'd posted the Intercon .lth file we could see where you are going wrong and offer some guidance. Without that, here's the way I would approach the problem:

Steppers are wired to the DB25.

Are the motor drives connected to the DB25 plug!?

I would not just assume you can remove a wire. Someone took the trouble to run that wire and attach it to an output for a reason. I would trace where the wire goes and determine its function. Most likely, the Acorn configuration is incomplete or incorrect.