It seems that the Edge will all of a sudden set the zero offset value ("Calibrate") to some random number which is way too high, I will then have to re-calibrate/reset the offset manually through the menus.
At this point the slope is also changed to a random number, after I've corrected the offset, and typically to an outlandish 20-digit number.
Has anyone experienced things like this? What's been the solution?
It seems the problem is acute in cold weather. It has yet to happen in warmer weather I believe. Perhaps there is a problem with moisture in the Edge.
At first I thought there was corrosion on the USB connector, however in sufficient lighting it appears to be just a little bit of wear from the USB plug having been attached/detached a number of times.
My Edge does not have the latest firmware. I will check my version, read the changelogs from Garmin and consider if an upgrade is needed. I won't upgrade unless Garmin has specifically addressed such an issue, I guess. The risk of the Garmin just contracting more new diseases is too great with these firmware updates... especially as regards powermeters.
Addendum: The Edge IS running the latest firmware, so I guess old firmware problems can be ruled out (however new ones can't)
Watch the DC Rainmaker blog for news I guess... Seems to be Garmin's more or less unofficial official product blog
Still noone experiencing the same?
I'll try and see if I experience the same problems with a friend's unit. However it seems the problem occurs both indoors in high/normal temperature aswell as outdoors in the cold.
I would start with cleaning up activities and courses and see if it makes a difference.
I installed the new firmware and it appears the problem has been fixed. I have yet to test it over time though, but on the past two rides the Edge has been acting correctly when setting offset and slope.
The changes file reads they improved the user interface for ANT+ devices, so I presume that change did the trick.
Everyday before ride, I wait the Edge 800 identify the powermeter , turn the crank few times, than compare the off-set numbers, they use to be similar. On my MTB X.0 crank the SRM shows from 695 to 710.
Today after riding for 20 minutes the power dropped to 0 "zero" than increased a little, than dropped again. Typical behavior of low bat. But mine have been recently changed. I stopped the bike and tried to calibrate again, the number was 1980 this time... I did the same procedures, saved the 715 and kept my training session. The problem have not repeated anymore.
Some of you have the minimum idea about what is going on?
Thank you so much!
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