How do I restart my scale? Acaia Support June 06, 2018 21:19 Updated Follow Plugging in the USB charging cable with a power source while your scale is on will restart your scale. Related articles The firmware update failed, or the scale is stuck in "Update" mode My scale will not power on. Why not? How to calibrate your scale What to do when I see ERR303? Can I change the battery of the scale? Comments 0 comments Article is closed for comments.