Jerkiness from KLS4812S

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  • #43833
    kban
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    My KLS4812S gets very choppy and jerky above ~2000RPM. It sounds terrible and is unusable. Using a 48V BTR battery, Mophorn 1800W brushless motor, and a Hirschmann hall throttle. This setup worked fine with 2 generic controllers.

    I have tried:
    Recalibrating multiple times with and without the chain
    Removing any rev limiters
    Changing max motor RPM
    Changing max current
    Changing the motor poles
    Removing the 3 speed
    Tested with and without load

    What else can I do to troubleshoot?

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