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  1. C

    BBS02B 750w mysterious problem

    https://www.youtube.com/watch?v=Dc5VwvFPa30 Managed to take some video. After video, throtle stopped responding again
  2. C

    BBS02B 750w mysterious problem

    More diagnostics. I took controller of. Checked wiring. There was some tarnish on plug that has red black grey white. Tarnish was on red contact surface, both female and male sides. I put it together, and after that i could run motor on throtle for around 1 minute under no load (as i tested...
  3. C

    BBS02B 750w mysterious problem

    https://ibb.co/LZtd737 https://ibb.co/yR1gh3G
  4. C

    BBS02B 750w mysterious problem

    Yes its really weird. It acts like there was brake on all the time blocking power, but then again what explains that i got that weird batteryindicator.. And now battery indicator is fine. I put pics later
  5. C

    BBS02B 750w mysterious problem

    Now no error messages on display. It used to get error 30.. but for now, what i mean by bypassing display, i unplugged it and hotwired cable from controller
  6. C

    BBS02B 750w mysterious problem

    Ok, more info. I just got programming cable. It connects to controller, reads it and writes it. I just noted that it is showing red empty batttery indicator. I went through contacts, and now it is green and showing full and 57v voltage. Still no response on throttle or PAS. and more,bypassing...
  7. C

    BBS02B 750w mysterious problem

    Hi all, my second bafang unit, since first was stolen. This one has been runnin about 10 months now. But not without problems. ATM I get no power to pedals, no PAS no throttle. Nothing happens. But sometimes i get a minute or two or 10 minutes of power and suddenly it disappears again. I Get...
  8. C

    Bafang bbs01/02 36v motor maximum voltage

    I am running now maximum 18A. If I raise voltage, I could always limit current to 15A or 14A maybe. I only wonder, will this overvoltage cause my hardware to blow up....
  9. C

    Bafang bbs01/02 36v motor maximum voltage

    Hi, I need a little bit more burst power for my 350w bbs01. I wonder what is the maximum voltage i can safely use on my motor. What do you think, would 48v ready made battery pack be too much for it? should i limit current etc?
  10. C

    BBS02 750w on 52v 18650?

    Anyone?
  11. C

    BBS02 750w on 52v 18650?

    I borrow this... My question is, is it possible to use my 36v bafang 250w (upgraded to 18A) with 48v battery. Will i fry my motor or controller? I believe battery packs does have bms, so voltage cut off shouldnt be problem? WIll i encounter any problems? I am planning to put a lot smaller...
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