Difference between revisions of "BMS Reset Procedure"

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Latest revision as of 19:15, 4 June 2019

For a number of errors, the official manual recommends resetting the BMS.

BMS indicator lights and reset windows on a 2016 DSR
Steps
  1. Key the bike off and unplug it from charging.
    Wait for the contactor to click open.
  2. Uncover the battery LED indicators.
    2015-2016: Remove the upper rubber pad from the front of the battery case.
    2013-2014,2017+: Remove the rubber pad from the front of the battery case.
    The uncovered hole reveals a string of small LEDs: one red on the left followed by four green.
    They'll indicate charge level when the bike is keyed off.
  3. Uncover the diagnostic connection port and reset buttons.
    2015-2016: Remove lower rubber pad from the front of the battery case.
    2013-2014,2017+: These were uncovered in the previous step.
    Notice a white plastic port coated in dielectric grease.
    Above that port are two small micro-switch buttons which are the reset buttons.
    • The left (as you face it) button performs a hardware reset.
    • The right (as you face it) button performs a software reset.
  4. Press to reset
    2013-2014: There is only one reset button above the plastic port which performs a hardware reset.
    2015+: Take a pen (say) and depress the (right) software reset button for a few seconds and then release.
    Expect the BMS indicating LEDs to go dark while the button is depressed and then turn on again when release.
    The lights should stabilize after an initial startup sequence for a few seconds.
  5. Check whether the error code is clear by keying on the vehicle or whatever is appropriate.
  6. 2015+: If the error is still present after a software reset, try the hardware reset button in the same way.
  7. 2015+: If the error is still present after a hardware reset, try both at the same time.
  8. Replace the removed pads.