Mitsubishi machining center x-axis not responding in one direction

Handwheel shake out. Mitsubishi machining center x-axis a direction did not respond to the solution: use the handwheel to shake out, or if there is an overtravel lifting then hold down the overtravel lifting, and then open out, if they do not work, directly short the travel switch, and then open out on the line. Mitsubishi machining center is Mitsubishi to adapt to the world of processing industry, high-precision processing needs and research and development of new small machining center machine tools, suitable for IT, optical, medical equipment.