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

Candas1
2022-04-08 09:33:07 +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
* 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 dc-dc converter providing 3.3v to the chip might be defective
* The dc-dc converters providing 3.3v to the chip might be defective
<br>
The board is not turning on, you can't hear the power stage buzz noise, and no melody
* Could be the TIP127 mosfet are defective, you can test it with a multi-meter
* the first TIP127 mosfet might be defective
* Check that power is connected and voltage is >36V while flashing. If the board draws more than 100mA in idle, it's probably broken
<br>
The board is turning on as soon as the battery is connected
* The TIP127 mosfet is defective, check if it's shorted with a multi-meter
* The first TIP127 mosfet is shorted, check it with a multi-meter
<br>
You are unable to unlock the chip or flash the firmware