Fanuc - Starting System Software Please Wait

Often, a boot failure isn't a software "crash" but a communication breakdown between the controller and its hardware.

To fix the problem, you must first understand what the CNC is trying to do. When you power a FANUC controller, it does not boot like a personal computer running Windows. FANUC uses a proprietary real-time operating system (OS) with a layered boot sequence. fanuc starting system software please wait

Reseating the SRAM or DRAM chips can sometimes clear temporary contact issues, though removing them may wipe unsaved data. Attempt a Controlled Start Turn off the controller. Often, a boot failure isn't a software "crash"