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Bafang loss of power overheating jerking

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    Bafang loss of power overheating jerking

    I use a bbhsd 750w on my pedicab. I also have a lot of experience with front hub motors. I am getting a jerking feeling when I go up hills under a load. It feels a lot like when the phase wires burn out on a front hub. I am also experiencing an overall loss of power. I'm assuming I either destroyed the phase wires or started to burn out the controller. I have mutiple batteries, and the problem is the same with all of them. My power line is also in good condition.

    #2
    Are you downshifting? Is it geared properly for the added load? Did you pull the controller and ensure phase wires are all firmly plugged in

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      #3
      I'm in the lowest gear when I'm under load. I checked the phase wires and they are firmly plugged in, and dont show any signs of melting.

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        #4
        In comparison to another pedicab with the same system mine seems to have a.lot less power now. It feels like something is burnt out or that I have some sort of resistance in my power supply. I'm using em3ev 52 20 batteries. I'm going to check for resistance tonight.

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          #5
          If it's a pedicab could be anything, HD is heavy duty but the rigors of commercial use are on a whole other level.

          Please see the BBS wiki section Best practices for commercial use

          If it's needed for commercial use I would recommend to have a spare of every single part on the machine for easily swapping out to do troubleshooting. This includes controller, core and/or bare motor, harness, display, throttle, speedo sensor and so on. I get that's expensive but having downtime for a mission-critical piece of equipment is probably a lot more expensive.

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