Use this if the reset button fails, the device is stuck in a boot loop, or you want to wipe and reinstall the firmware (the most "full" reset possible).
For specific scenarios, use these variations of the execute command:
Resetting helps clear "conserve mode" issues caused by high memory or CPU utilization from complex, outdated policies. Modern Limitations: Reviews from the Fortinet Community
LED begins to blink slowly (usually 30–60 seconds after power-up), press and hold the reset button. Confirmation : Hold the button until the