On the download page for the C76 is a plugin that will show you where the fault is in UCCNC.
Here's an example video of it.
https://www.youtube.com/watch?v=zBwz...ature=youtu.be
You shouldn't have to do anything else but the step and direction pins.What do I need to do in order to get the green READY light to stay on and the servos moving.
It seems to me like you have a wiring issue causing the fault, and it's unrelated to any UCCNC setting.
Also, I noticed there's a UCCNC plugin for the C76. Do you have that installed and configured in UCCNC?
Here's a basic manual for getting the C76 working with UCCNC. Have you followed it?
https://www.cnc4pc.com/pub/media/pro..._for_UCCNC.pdf