Fanuc Starting System Software Please Wait Jun 2026

When you power on a FANUC control (such as the Series 0i, 16i, 18i, 21i, 30i, or 31i), the sequence generally follows these steps:

When a FANUC controller hangs on the "Starting system software" screen, it usually indicates that the hardware (Teach Pendant) is working, but the main CPU or software has failed to initialize properly Troubleshooting Steps Check Hardware Status Open the controller cabinet and check the 7-segment LED display on the CPU. : Indicates a parity error; likely requires an INIT Start and backup reload. "6" or "7" fanuc starting system software please wait

The message persists indefinitely, flashes, or the screen goes dark then returns to the same message. When you power on a FANUC control (such

Getting stuck on the "" screen is a common yet frustrating issue for Fanuc CNC and robot operators. This message usually appears during the initial boot phase and should transition to the main operating screen within a few moments. When it doesn't, it indicates the controller's main processor is unable to load the operating system from its memory. Common Causes of the Startup Freeze Getting stuck on the "" screen is a

Once you have restored your machine, follow these three golden rules to never see the "Please Wait" loop again: