Fanuc Starting System Software Please Wait ~upd~ -
, 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:
Create a full SRAM and system file backup every six months, and always before making changes to parameters or ladder logic.
Understanding the FANUC "Starting System Software Please Wait" Screen
Maintain updated copies of the SRAM, parameters, PMC data, and macro programs on external storage. Update these backups after any change in machine configuration. fanuc starting system software please wait
The "please wait" message indicates that the system is engaged in steps 2 or 3. Common Reasons for a Stuck Boot Sequence
If the normal boot fails, you must attempt to bypass the automated startup sequence and enter the manual Boot System screen. Turn the machine completely off.
The CPU is running correctly; the issue may be communication with the TP. Verify Hardware Connections: Reseat the FROM/SRAM card , typically requiring an "INIT Start" and a
The message "System software starting up, please wait" on a Fanuc CNC or robot controller indicates the system is hanging during its boot sequence. This screen typically appears as the controller attempts to load critical system files from non-volatile memory (FROM) into the working memory (SRAM). Common Causes for Startup Hangs Corrupted SRAM Data:
To minimize the risk of encountering the "Please Wait" issue, the following best practices can be followed:
The key is to avoid random trial-and-error. Follow the structured approach: wait, hard reset, boot into IPL, check battery, strip peripherals, and only then attempt system software reload. And once your machine is back online, implement the prevention strategies. A disciplined backup and battery schedule is the cheapest insurance policy you can buy for your FANUC-controlled machine tools. Common Reasons for a Stuck Boot Sequence If
Re-enter the Boot System menu and select to load your historical factory backups. When to Call a Professional
Before opening electrical cabinets, eliminate simple external variables. of the machine tool completely.
How to Fix the FANUC “Starting System Software Please Wait” Stuck Screen
Before performing any hardware changes, let the control sit at the frozen screen for . On rare occasions with large data servers or complex ladder programs, the initialization can take 5–8 minutes. If after 10 minutes there is no change, proceed.