Fanuc Starting System Software Please Wait Jun 2026

Don't let "Please Wait" keep you waiting. Take control of your FANUC boot sequence today.

If you are reading this, chances are you have walked up to your CNC machine tool in the morning, flipped the main breaker, pressed the "On" button on the operator panel, and instead of seeing the familiar Position or Alarm screen, you are staring at a frozen, frustrating message: fanuc starting system software please wait

To fix the problem, you must first understand the process. Modern FANUC CNC controls (Series 0i, 30i, 31i, 32i, and Power Motion i) run on a proprietary operating system (OS—often based on a customized version of Windows Embedded or VxWorks for the CNC kernel). Don't let "Please Wait" keep you waiting

You need a technician if:

| Action | Why it helps | |--------|---------------| | Replace controller battery every (with power on) | Prevents SRAM corruption and boot hangs. | | Keep a full SRAM backup on a memory card or PC | Allows recovery without FANUC service call. | | Use UPS (uninterruptible power supply) | Avoids power glitches during boot or software writes. | | Do not power off when “Please Wait” or “Updating” is on screen | Prevents firmware corruption. | Modern FANUC CNC controls (Series 0i, 30i, 31i,