Hi, sometimes in the middle of machining the Mach3 will stop due to an external e-stop.

I have input 1 and 2 configured as X and Y limits respectively. Those work, and it correctly reports in mach3 that a limit has been reached when tripped.

On the 540, Pin 10 is hard wired to pin 12. So I'd not think e-stop should be possible.

Is there anything else that can make the G540 signal e-stop? Overcurrent? Too hot? Anything?

Thanks