Ninebot Max Error Code 21: Difference between revisions

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Plug the scooter into the charger and leave it for a few hours.
Plug the scooter into the charger and leave it for a few hours.


If the error is still being thrown, check that the blue LED light is still blinking in the window.
If the error is still being thrown, check that the blue LED light is still blinking in the window on the battery.


If it is not but the scooter is still able to remain powered on (even with the error code), the B<S may be dead.
If the led is not blinking, but the scooter is still able to remain powered on (even with the error code), the BMS may be dead.


If you have a multimeter, it would be wise to check that the battery voltage is somewhere between 30-42v.
If you have a multimeter, it would be wise to check that the battery voltage is somewhere between 30-42v.
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