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 My scale will not power on. Why not? The firmware update failed, or the scale is stuck in "Update" mode How to calibrate your scale Can I change the battery of the scale? The scale's numbers are jumping all over Comments 0 comments Article is closed for comments.