Ensure the black cable is connected to the UC100 and is plugged into the USB port on the computer.
Also the second black USB cord needs to plug in next to the UC100 on the control box (black box blue lid) and then be plugged into a USB wall changer then into the 240V supply.
Ensure that you have installed the driver for the UC100 .
Using the UC100 with Mach3 | Surefire CNC Plasma
You should have a blue and green light on the UC100 when Mach3 is open.
