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  1. #1
    Senior Member
    Join Date
    Jul 2012
    My Bikes
    2004 Trek 5200; 2014 Holland Exogrid Jet
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    Anomalous Cadence Values

    I have a Garmin Edge 810 from which I upload ride data to various sites on the Internet. Recently, I purchased a PowerTap G3. Since then I've noticed that, on occasion, the maximum cadence for a given ride is unreasonably high. I'm wondering whether it's because my Garmin is picking up cadence data from my Garmin sensor as well as from the PowerTap.

  2. #2
    Thread Killer
    Join Date
    Aug 2008
    Ann Arbor, MI
    42 Post(s)
    0 Thread(s)
    I have an edge 500 and gsc10 speed/cadence setup that ocassionally defaults to 255rpm instead of zero, for unknown reasons. Typically, rescanning for the spd/cad sensor will return to zero, but not always on the first go, and sometimes I've spun the crank too, hoping to wake the gsc10; it's a weird thing, and I don't know why it's happening or what the real fix is, so I've been living with this random problem and awkward kludge for some months. Hopefully someone can supply a better fix for you!

    I'll add that I'm up to date on software on the 500, and though I can't recall exactly when the problem started, there have been other problems, like having the unit go into 'hard drive mode' when connected via USB to a computer. Are the problems related? I dunno.
    Chaad--'95 DeKerf Team SL, '02 Lemond Buenos Aires, '05 Novara Buzz, '73 Schwinn Collegiate, '06 Mountain Cycle Rumble, '09 Dahon Mariner D7, '12 Mercier Nano, '12 Breezer Venturi

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