I installed a uc400eth,using Mach 3. I get estop condition. diagnostic page shows red flashing light for e stop, and solid yellow for all limit.homing switched.

273 views  June 4, 2020

There are a number of issues that could explain that.  The first thing that comes to mind is:

  • You may not have communication with the board?  Make sure you establish communication using the UCxx Utility software.
  • You may just need to invert the active high/low for the input pins.

You may want to open a support ticket in our website and we will give you a hand with this:


I would have opened the ticket for you, but could not find an order under your name.


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