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› DJI red flashing light?
02-24-2014 02:16 AM  3 years agoPost 1
d12bn

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lake charles

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I haven't flown my 550 in a few months. Its was flying great before. Today at about 5 minutes I get a flashing light and starts losing power. I've been running 5300 3 cell batteries that are about 6 months old with about 25 charges. Still have 43% left on battery after landing. I remember getting a few red and green flashing lights before but never lost power and always had 40% left.
Thinking I maybe need to cycle the batteries a few times since they have been sitting up? They were stored about 40%.
BTW carrying a Hero 3 on a Zenmuse with 8 inch props.
Thanks

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02-24-2014 02:43 AM  3 years agoPost 2
bigwolf1

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USA

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What kind of packs. sounds like the packs just give out I had some nano techs, they don't do well if not stored at 60%. mine charged fine should good Voltage but no stamina.

you might want to get some new ones.. I been having good luck with the Glacier packs. right now. But when I"m done I only charge them back to 60% just in case it's while before flying again.

MAH blade Rep
Trex700LE
Magnum fuels

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02-24-2014 02:53 AM  3 years agoPost 3
d12bn

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lake charles

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My packs are Glaciers. Maybe they will get better after a couple cycles

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02-24-2014 03:35 AM  3 years agoPost 4
bigwolf1

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USA

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I don't know you can try and see. if it just dropped how low do you have the 2nd low voltage set for in Naza. should be about 10.85 or so.

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Trex700LE
Magnum fuels

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02-24-2014 03:54 AM  3 years agoPost 5
d12bn

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lake charles

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I don't remember the voltage setting, will check. But didn't have this problem before. When the red light started flash I came down to 4 feet and around 5 minutes it just lowered to the ground. Still have over 40 percent on the battery

Thanks

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02-24-2014 11:47 AM  3 years agoPost 6
bigwolf1

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USA

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you flying 2 packs or a single pack. Try another pack if you got it just use one pack and see if it's battery. Sounds like the bad packs.

my nano's did the same thing took charge but would not fly but 3mins all voltage should good.

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Trex700LE
Magnum fuels

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02-24-2014 02:16 PM  3 years agoPost 7
ErichF

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Sutton, NH

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Recalibrate your voltage sensor on the Naza, then do a load check on your packs to see if they are still pushing voltage.

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02-24-2014 11:26 PM  3 years agoPost 8
d12bn

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lake charles

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Thanks erichF recalibrating was what it needed.

Thanks

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02-27-2014 02:42 PM  3 years agoPost 9
1heliman

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us

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If you changed the pay load in any way, let's say by adding the go pro or any other weight you will need to recalibrate the voltage set up for 1st and 2nd protection. If you haven't added anything it would still be best to do the step again to set it up. I like to plug in a completly charged battery then set the voltage to what you get from a volt tester as the voltage reading. set the no load to 1 volt less than what you have from the tested voltage of your fully charged pack. and set the loss to .5volt. seems to be a good point to start. there are videos on you tube about how to do this operation. Most all of them end up with the loss at .5 volt. Here is the thing to remember. The loss is calculated for all 3 cells. They recommend no loss lower than .3 volts/cell or a total of .9 volts per 3 cell pack. .5 falls right in there showing a healthy pack. Check out some vids for better advise.

-Bill

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