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    Bike is dead

    So I went for a ride on my Surron today, it has the KO Pro controller and motor. They have their app in beta testing so I figured I'd give it a go. I got about 4 miles into my ride and my OEM display just goes blank and light cuts off. No power at all. No smoke or sparks either though. So I coast down the mountain. Reset the breaker, reset the key, I even pulled the battery out to look for anything obvious. Didn't see anything. But it did start back up for an 1/8 of a mile before dying again. And now its dead dead. I got home and started pulling it apart. Circuit breaker ohms out good. So does the key switch. All of my sensors have been disabled. Battery is 83% charged and putting out about 80V. I even tried another DC adapter.

    It had been running smoothly until today. Really not sure where to look next. Anyone have any insight?

    #2
    I can't find any evidence of a battery burn. Can't smell any either. I have warranty coverage so I'll let them do that. I was able to test 80V going to the controller. The display is just the OEM one that KO says will work with their gear. Another display is the only thing I haven't tried yet.

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      #3
      Another display didn't change anything.

      Comment


      • AZguy
        AZguy commented
        Editing a comment
        Surron is an entirely different animal than a BBSxx

      #4
      Maybe you burnt out the Dc converter,it changes battery voltage to 12dc for display,etc but I think it’s only rated for a 60v battery

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        #5
        Originally posted by Kauaiguy View Post
        Maybe you burnt out the Dc converter,it changes battery voltage to 12dc for display,etc but I think it’s only rated for a 60v battery
        I have been running the Chi battery since September with no issues. I can't see them making upgraded batteries for these bikes if they are going to burn out components. I also tried another DC converter and got no change though.

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          #6
          Found the issue. There was a broken power wire inside a harness and under some tape that was tucked behind part of my frame that I didn't realize was there. Reattched that and the bike returned to life.

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