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Ninebot Max Error Code 21: Difference between revisions
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[[File:NinebotMaxError21.png|thumb|center|Error 21 on a Ninebot Max.]] | [[File:NinebotMaxError21.png|thumb|center|Error 21 on a Ninebot Max.]] | ||
"Battery Communication Error, Please check the Battery, Control Board & related connections" | "Built-in Battery Communication Error, Please check the Battery, Control Board & related connections" | ||
{{Ninebot Max Error Code SEO|21}} | {{Ninebot Max Error Code SEO|21}} | ||
If you have a [[Ninebot ESX]] (ES1, ES2, ES3, or ES4), instead see: [[Ninebot ESX Error Code 21]] | |||
==Cause== | ==Cause== | ||
Error 21 is thrown when the ESC is unable to receive any data from the BMS/Battery. | |||
This may be because the 4 pin BMS data line has come unplugged or is not firmly plugged into the ESC. | This may be because the 4-pin BMS data line has come unplugged, or is not firmly plugged into the ESC. | ||
It can also happen when the battery is fully dead or something has killed the BMS board inside. | It can also happen when the battery is fully dead or something has killed the BMS board inside. | ||
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==Fix== | ==Fix== | ||
The first thing to check is that the battery had not somehow become unplugged | The first thing to check is that the battery had not somehow become unplugged: | ||
Remove the bottom panel and the control board so that you can access the wires more easily. | *Remove the bottom panel and the control board so that you can access the wires more easily. | ||
Unplug and then plug the 4 pin data line back in, making sure it clicks into place in the JST connector. | *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. | *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 on the battery. | If the error is still being thrown, check that the blue LED light is still blinking in the window on the battery. | ||
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Alternatively, the entire battery can be replaced as the BMS replacement is a bit involved. | Alternatively, the entire battery can be replaced as the BMS replacement is a bit involved. | ||
There are still some unknowns about this error code and as of yet the cause is yet to be fully understood in some cases. | There are still some unknowns about this error code and as of yet, the cause is yet to be fully understood in some cases. | ||
[[Category: Scooters]][[Category: Ninebot]][[Category: Max]][[Category: Error Code]] | [[Category: Scooters]][[Category: Ninebot]][[Category: Max]][[Category: Error Code]] | ||