The history of this software is fascinating. In the days of the and System 0 (legendary CNC systems), the "Starting System" was rigid. It was burned onto chips. If you needed to upgrade the boot software, you physically replaced computer boards.
Press and hold the two right-most softkeys (the keys under the screen) while turning the power ON. fanuc starting system software please wait
Less common but more severe: the main processor (often a 32-bit RISC chip like the FANUC I/O Link processor) enters an undefined state. The history of this software is fascinating
The "Starting System Software" file stored on the Flash ROM has become damaged. This can happen due to: If you needed to upgrade the boot software,
: A common cause is a faulty main card or SRAM card. If the 7-segment display on the main board shows a specific digit (e.g., "1" or "6"), it may indicate a failure in these components.