Fanuc Starting System Software Please Wait Jun 2026

Is the R30IB controller stuck on "system software starting up"?

If a Controlled Start doesn't work, hold and F5 while powering on to enter the Boot Monitor. fanuc starting system software please wait

The message appears during steps 3 and 4. During this time, the control is not yet ready to accept commands, move axes, or run programs. Is the R30IB controller stuck on "system 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. During this time, the control is not yet

: Unstable power supplies or damaged power cables can lead to control board malfunctions. Recommended Action Path

: If the issue persists and you've checked all the basic troubleshooting steps, it might be best to contact FANUC support or a certified technician. They can provide specific guidance based on your system model and configuration.