Automatic Vacuum Switch

[mikep]

Yes. It does. I use it to turn the spindle on and off.

GRBL 1.1 and Carbide Motion 4

I have not seen this with 406 on Window’s 8.1, but I did see it with the earlier versions. Please go to the RUN screen after trying to load the file (just once), and I think you will see that the file is in deed loaded, but the FILE page just isn’t updating. Please let me know if this is what’s going on. Thanks R