The most common culprit. A low-quality USB cable (over 3 meters) or a loose port can cause bit-flipping. The software expects a binary string; instead, it receives an ASCII carriage return command, halting the license verification.
Connect your controller via USB and launch the (or legacy USB CNC) software. planet cnc usb controller license cr
The Planet CNC USB Controller License CR offers a range of features that make it a powerful and versatile CNC solution. Some of the key features include: The most common culprit