how to diagnose and repair broken hoverboard

This how-to generally works with most self balancing electric scooter smart wheel / hoverboard / mini segway

many issues arose due to some cables went loose or got  disconnected inside the control unit of the hoverboard

so what caused that? Vibration from riding or shabby workmanship from the factory that assembled hoverboard in a hurry and didn’t do extensive testing / QC.

usually it’s an easy DIY fix, which can save you a lot of headache and hassle trying to get a replacement.


the scooter has 3 circuit boards, one big main board and 2 co-board.

B2 B3 B4 B5 B6 B7 B8

other light indication:

6 times at once: battery problem. try to replace a new battery.

7 times at once: battery side co-board problem. try to replace the co-board.

8 times at once: power button side co-board problem. try to replace the co-board.

how to reset the mini smart scooter (hover board) 

how to replace (change) circuit board for smart wheel scooter, hover board, mini segway