Fanuc Starting System Software Please Wait Today

The message "Starting System Software. Please Wait" appears when a Fanuc controller (like the

On systems with vision or large programs, the controller may run out of memory, leading to a startup timeout. Initial Troubleshooting Steps Check the 7-Segment LED Display: fanuc starting system software please wait

If the SRAM battery backup is low (common on older 0i-A/B/C models) or the SRAM chips have failing cells, the checksum fails. The CNC attempts to automatically format or repair the SRAM area—but sometimes gets stuck in an infinite repair loop, showing "Please Wait." The message "Starting System Software

Step 3: Boot into IPL (Bootstrap Mode)

If "Please Wait" is stuck but you have a full SRAM backup (from PCMCIA or RS-232): The CNC attempts to automatically format or repair

Key insight: This is not an "alarm" per se. Alarms (ex: SV001, PS0000) appear after the software loads. This message indicates the control cannot finish loading its own operating system.

7. Preventive Measures

To avoid seeing “Starting System Software” freeze again: