Been using this router with Mach 3 for about 2 years now. I am having some trouble setting up some new limit/homing switches. If anyone can help, thought it would be best to tackle the troubles one at a time. One of the strangest things is that the XYZ has disappeared from the Program Run Screen and the MDI Screen. Has this happened to anyone else?

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Mach 3 running on a Windows XP machine
CNC Router Parts Router Table built approximately 2'x3'
Nema 23 steppers
Gecko G540 stepper driver