I am having difficulty with homing.  When "Ref all" is hit the Z homes normally......hitting the switch and backing off.  The Y hits the switch and triggers a "limit switch active" message.  I have all my homing/limit switches wired in series to pin 10 active low.  The Y and X were homing corrctly until I added the switch for the Z axis.  I disable homing on the Y and th X is doing the same thing......hitting the switch and locking up the machine.  I have the auto limitoverride on.  What in the wide world of sports is going wrong?

Try a debounce interval of 2000, if that helps then either your switches are not the best and bouncing or you are needing to shield the wiring properly.
Hood

Fixed!  Thank you Hood for the good information.  My machine is now working with a debounce of zero.  I suppose that running the limit switch wiring within the same wire chase and and wire loom as the stepper motors made for a neat installation appearance-wise but was electronically sloppy.
Bob

Yes thats the best way, dont like using debounce myself as it means there is a problem with the wiring and I hate that

Hood