Ninebot Max Error Code 22
"Built-in Battery Password Error, Please replace the Battery"
Read below if your Ninebot Max G30 or G2 is beeping or has a red wrench icon and flashes this code.
If you clicked the wrong error code, return to the Max G30 and G2 Error Code Index.
Previous Error Code: Ninebot Max Error Code 21 - Next Error Code: Ninebot Max Error Code 23
Cause
This error often occurs when rental vehicles are not properly STLinked or an incomplete firmware dump is used.
Fix
To temporarily fix, flashing a CFW with error suppression level 1 enabled can fix this issue.
Similarly to Ninebot Max Error Code 27, the throttle and brake can be held briefly at startup to ignore this error as well.
To permanently fix, change the serial number and then change it back using an app that supports dAuth.