Thanks guys. the lights I am talking about are on the battery. The handlebar control unit does not turn on at all. Pretty sure the bms is shot. I drained the voltage with a load to 38v and it still shows 5 LEDs, full when I push the button, and won't accept a charge. On the battery, I have 2.5v...
Hi I got a used new to me Giant Roam E+ that wasn't charging. So I opened the pack and charged at the main leads, by-passing the bms. This worked fine for a couple of runs. Still wouldn't charge through port though, and not with the supplied charger. Popped pack open again, and charged main...
another thing you can do is swap the crank arms, since the rotational force will be reversed, it should reduce the creaking if those are at fault. they weren't on mine.