Mac mini m1 not boot up power on orange light blinking not coming screen reverse restore Mac mini m1 error 21

The orange light indicates that the Mini has entered Firmware recovery mode.:

"If your Mac is in firmware recovery mode, the status indicator light rapidly flashes amber or is solid amber and your display may show a blank screen. You might need to revive the firmware on your Mac with Apple silicon or revive the firmware on your Intel-based Mac. If you still need help, contact an Apple Authorized Service Provider ."

Follow the link s to determine the course of action.