Garmin 620 not charging off a wall plug
So this week, my Garmin 620 battery’s life dropped to nearly
zero. As every runner does, I attached it to its cradle and plugged in the wall
plug. It immediately displays that it was 100%. That’s strange. 10 minutes ago,
it displayed a battery life of nearly 0%.
Ok, it’s new. May be that’s the way it works.
Two hours later, I checked it again. It still says 100%. Ok,
maybe it charges really quickly? Only recently did I switch to this Garmin, and
I didn’t pay much attention when I recharged it the last time.
So I took it off the cradle. Within the 30 seconds, it died.
I put it back on the cradle. Yep, it says that it is fully charged.
So what gives?
A few Google searches later; I learned the following.
There is a bug in the firmware of the 620. Sometimes it will
display 100% charged when plugged into the wall – even when it doesn’t have a
charge. In fact, it will not charge at all from a wall plug. To charge it, I
had to attach it to my computer. Then, it showed a 10% charge and started
charging. Two hours later, the display
showed 100% charge. (Crossing fingers this is correct).
To correct, this charging issue, Garmin recommends two
things: 1) do a hard reset by holding the power by 20 seconds or until it
powers off. 2) turn it back on and charge it to 100%. They are also recommended
updating the firmware.
This seems to have cleared
up my issue.
Oh, and by the way, I also learned that if you leave your
Garmin attached to your computer when you turn it off, the power will flow back
in to the computer’s battery and drain your Garmin to zero. Whoever thought up
this design was an absolute genius. Not!
The Cool Down Runner
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