Please open the programming software and connect to your controller.
Find and disable the Throttle voltage range protection setting and download to the controller. Now, disconnect the programming cable and turn on the battery and e-lock switch. If you only get a single beep, then slowly throttle up just to see if it works. Let me know if it works now or if you are still getting an error 12.
If it works now, we will adjust the minimum and maximum valid voltage values to match the throttle output voltage.
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