Y-axis cut location issues 1000mm X-carve

[SteveMoloney]

Do you have homing switches installed?

Have you done this? for bit changes?

Lock/Unlock Motors Buttons don't work

I am trying to do a 2 bit project. When I go to change to the second bit I can’t lock the stepper motors. The unlock button is green and the lock button is red. When I click on the lock button nothing changes. Thinking maybe there was no visual indication, I tried changing the bit and jogged the gantry. Any help would be greatly appreciated.