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fderfler(at)gmail.com
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 Posted: Tue Jun 26, 2007 4:21 am Post subject: Killing Off the Dynon Keep-Alive |
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This is useful info for all folks with Dynons in their Zeniths. (Aside: I love my Dynon and their support is top notch! But, I'm always suspicious of something that wants to "trickle" off the battery. It can trickle the battery to death.) Note that Dynon expects to have a new software release out for all products by the end of the month.
Here's the problem:
My D180 was installed by AMD in my AMD-made Zodiac CH601XL in October of 2006. Honestly, I do not know how long the 1st backup battery lasted, but at the 50 hour checkup it was dead, so AMD replaced it. Now, 60 days later, the 2nd backup battery is dead. It reads zero volts on the panel and the D-180 goes off with the master switch. The plane is regularly flown several hours a week, so according to the specs the battery should have had plenty of time to charge even if the keep alive is not connected, but the keep alive is connected.
[/url][url=http://dynonavionics.com/cgi-bin/yabb2/YaBB.pl?action=mailto;user=Fderfler] [/url]
TO the credit of Dynon, I received a prompt and useful reply:
Dynon Technical SupportPosts:
"We've had a few little bugs with the D180's battery charging system. We spent a bunch of time with it over the last few months and really hope the firmware update that is just about to come out will fix all of this. We did tweak it in the last update too, which made it better, but it didn't fix everyone's issues. We'd suggest waiting for this next update (hopefully on a few days away), installing it, and seeing if it fixes the problem and charges the battery. It's highly likely that the battery is fine, it's just not charged up. Also, as a side note, it's almost always keep alive that causes the problem, so if you can pull a fuse or anything for keep alive, that will probably fix the problem as well, and you should see the battery start to charge at the next power-up. "
Frank Derfler N183AM
--See my Blog at [url=http://MostlyFlying.Blogspot.com]http://MostlyFlying.Blogspot.com
--My great gifts for guys at http://www.greatguybooks.com
--My information for pilots at http://www.flyinflorida.com
--My tips for boaters at http://www.keysboater.com [quote][b]
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