How do I restart my scale? Ruby Huang 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? Can I change the battery of the scale? The scale is showing a 3 digit error code, what do I do? How to update your scale's firmware The firmware update stopped or failed Comments 0 comments Article is closed for comments.