Originally Posted by
cncsnw
Interesting. I didn't think it was possible for the CNC12 control software to report a spindle fault, without a "SpindleOk" input defined.
If you continue to have difficulty, post on the Centroid community support forum.
Be sure to include a Report from your control so that those who are inclined to help you can look at your configuration, PLC program, and message logs. Also include a picture or diagram showing all of your control wire connections between the Acorn and the VFD.