Ninebot Max Error Code 23
"Default built-in Battery Serial Number, Please Replace the Battery"
If your Ninebot Max is beeping or has a red wrench icon and flashes this code, read below.
If you clicked the wrong error code, go back to the Error Code Index.
Previous Error Code: Ninebot Max Error Code 22 - Next Error Code: Ninebot Max Error Code 24
Cause
This error is caused when the battery has the default number, similar to Error 35.
Fix
Change the BMS serial number using an app like Ninebot Flasher or Ninebot IAP.
Even changing the serial by one character should be enough.