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  1. TomasCH

    BBSHD Pedal assist (PAS) won't work after controller replacement

    Hi guys, I'd really use some help with this. Recently I needed to swap controller on my Bafang BBSHD mid drive e-bike due to error 30 of unknown nature. Connected the new replacement from ALiexpress no problem and tested with throttle OK. After I assembled all the components back on the frame...