Comparer
What is the ? (e.g., 18i-MB, 0i-MD, 0i-TF)
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.
Several factors can contribute to the "Please Wait" issue during the Fanuc Starting System Software startup process: fanuc starting system software please wait
Do not wait for the low battery alarm to flash. Replace your CNC control and servo amplifier batteries every 12 months.
Locate the main FANUC yellow plastic chassis (the control slot rack). Identify the Flash ROM, SRAM, and CPU modules. What is the
If a new software option (PAC code) was recently installed, the system may hang for up to an hour while it performs background updates and backups. Hardware Failures: Loose or faulty components, specifically the FROM/SRAM module
If you tell me the controller model (exact FANUC series) and any additional boot messages or alarm numbers shown, I can give model-specific recovery steps. Several factors can contribute to the "Please Wait"
Loss of CMOS/SRAM data due to drained batteries causes a "parity error".