Ninebot ESX Error Code 21: Difference between revisions

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==Fix==
==Fix==


[[File: NinebotESXBMSDataCable.jpg|thumb|center|400px|The BMS data cable in place]]
[[File: NinebotESXBMSDataCable.jpg|thumb|center|400px|The BMS data cable in place. Newer versions of this controller have an easier to access connector on an extension cable.]]


Check the 4 pin data cable and confirm it is firmly in place.
Check the 4-pin data cable and confirm it is firmly in place.


If the cable is fine, check for the blinking blue or red led on the top of the battery and make sure that it is blinking.
If the cable is fine, check for the blinking blue or red LED on the top of the battery and make sure that it is blinking.


If it is not, plug in the battery and attempt to charge it.
If it is not, plug in the battery and attempt to charge it.
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