When a FANUC CNC displays "Starting system software please wait" (or similar), the controller is initializing firmware, loading system software modules, or performing a firmware/self-check after power-on or a reboot. It can be normal for several seconds to a few minutes, but extended or repeated hangs indicate a problem.
Store copies on two different media (CF card + network drive). fanuc starting system software please wait
Power Issues: Low voltage or a failing Power Supply Unit (PSU) can prevent the main board from receiving the stable power needed to complete the boot cycle. Initial Troubleshooting Steps Power Issues: Low voltage or a failing Power
Every 3 months, use the Boot Monitor to save: "6" or "7": Often indicates a hardware failure
, typically requiring an "INIT Start" and a full backup reload. "6" or "7": Often indicates a hardware failure in the cabinet. Two solid / Two blinking green LEDs:
The Tale of the "Master": Inside FANUC's Starting System Software