Can you give me some pointers with my Bafang BBS02 750w, it has been working fine until a couple of days back. The battery was about 3/4 charged and I rode about 1/2 mile on the flat so the motor was fairly cool. I stopped for a couple of minutes, when I got back on to the bike I noticed that the screen had shut down (quicker than was usual). So I pressed the centre button to start it back up, but it was totally dead.
I have charged the battery to full and it seems to be fine with 53v when checked with the test meter, the voltage doesn’t drop when trying to boot it back up so I assume it’s not a lack of capacity.
I have looked over all the wiring and can’t see a loose/ damaged connector or wire.
I had a good close look at the display and couldn't see anything obviously wrong, I also took out the controller, again no strange smells or anything strange.
What should be the next logical step to check, rather than just buying new parts and guessing?
I have charged the battery to full and it seems to be fine with 53v when checked with the test meter, the voltage doesn’t drop when trying to boot it back up so I assume it’s not a lack of capacity.
I have looked over all the wiring and can’t see a loose/ damaged connector or wire.
I had a good close look at the display and couldn't see anything obviously wrong, I also took out the controller, again no strange smells or anything strange.
What should be the next logical step to check, rather than just buying new parts and guessing?