The X axis of the main control board RDLC320-A does not work, how to troubleshoot

If you can ensure that there is no problem with the wiring, try changing the Y-axis connection on the drive to the X-axis. If the Y-axis motor can work after the change, it means that the X-axis stepper drive or the motor has a problem. If you change it If you can’t move it, it means there is a problem with the controller.