Ninebot Max Error Code 21: Difference between revisions

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==Fix==
==Fix==
Unplug and then plug the 4 pin data line back in, making sure it clicks into place in the JST connector.
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 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 you have a multimeter, it would be wise to check that the battery voltage is somewhere between 30-42v.
If it is, the BMS board needs to be replaced.
Alternatively the entire battery can be replaced as the BMS replacement is a bit involved.


[[Category: Scooters]][[Category: Ninebot]][[Category: Max]][[Category: Error Code]]
[[Category: Scooters]][[Category: Ninebot]][[Category: Max]][[Category: Error Code]]
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