Move To Position (won't accept negative values)

[Blake (Blake Bartlett)]

Did you try the options that are in this thread?

GRBL 1.1v7 on UV XY laser not homing

I have tried a number of thing to resolve my homing issue, and now I have made it worse. It started out, I discovered it would not home unless homing was set to true, which I did. I wired up limit switches to X and Y. then I discovered I needed a Z limit and motor, so I rigged that up. The system would “Home”, but it was always going to the bottom right. From there, if I tried to run a job, it would hit the bottom limit switch first thing and kill the job with alarm error 1. I tried a few thing…