How do I restart my scale? Acaia Sales February 20, 2017 20:26 Updated Follow Plug in the USB charging cable with a power source and it will restart your scale. Related articles My scale will not power on. Why not? The scale is showing a 3 digit error code, what do I do? Can I change the battery of the scale? How to update your scale's firmware Scale is stuck in "update" mode Comments 0 comments Article is closed for comments.