So I’ve had my dual sense late fall of 2019 and it has worked flawlessly (apart from a small charging issue what I later found out was a blown circuit). About 2 weeks ago the board started surging when I give it throttle. I hooked it up to vesc tool, updated it to the latest firmware, and set everything where it should be. I have checked all the connections and wires and everything looks good.
Does anyone have any ideas what this could be from? I am not sure if it is a connection problem because apart from one incident where it locked up, it only happens on acceleration. The vx1 is ppm. Here are some video snips from when it happens. https://drive.google.com/drive/folders/1dBCnT-EmNmvkRyzaXKj7ifQACIRuOZ9s?usp=sharing
it looks like the battery is the problem. If your BMS is not bypassed for discharge, sometimes my BMS cuts current supply to protect the cells when the battery is low (to prevent the cells from sagging too low). And it behaves exactly like this. Could be your battery pack if damaged or the BMS is damaged and is reading a voltage too low and then cutting out power.