EFeru/hoverboard-firmware-hack-FOC
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Updated Troubleshooting (markdown)

Candas1
2022-06-02 16:58:15 +02:00
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Troubleshooting.md

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The board is not turning on, you hear the power stage buzz noise but no melody
* Can happen if you haven't [flashed](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/Compiling-and-flashing-the-firmware) the chip properly, make sure you hold the button while flashing so the chip is always powered
* The chip might be defective, can you connect to it with [st-link utility](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/How-to-Unlock-MCU-Flash) ?
* The chip might be defective, can you connect to it with [st-link utility](https://github.com/EFeru/hoverboard-firmware-hack-FOC/wiki/How-to-Unlock-MCU-Flash) while keeping the button pressed? Even if you feed the board with 3.3v from the st-link ?
* The 5v or 3.3v dc-dc converters could be defective, you can usually find the same dc-dc converters on the sideboards
* If the board draws more than 100mA in idle, it's probably broken
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