I am running mach3 BOB PMDX-122 Gecko drive G203v.
been running for a few years with no problems.
just had a problem popped up i went to zero to the table top using the zero plate
when i ran the zero. The spindle moved down but did not stop when it touch the plate. have to hit the page up for it to go back up.
.
any idea where to start looking to correct this?
Paul