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Concerns with my new Mavic
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5069 82 2016-10-27
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csbaker80
lvl.1

United States
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FOLLOW UP (10/29/16): I have heard from DJI and they are working with me to get this drone back to HQ so they can analyze it and get me a replacement. So far, I have been impressed with their responsiveness to this issue. I am hopeful that this is an outlier and will be taken care of so that nobody else has these problems.


I would love to hear some people's feedback. I received my Mavic Pro on 10/25/16 and have taken it on 15 flights for a total flight time of 1 hour 8 minutes. Most of those flights went very well, but there were a few that have me very concerned. I'll detail them here:


10/26/16 - 12:25 PM (Video of flight - https://www.dropbox.com/s/mqde2q ... m%20flight.mov?dl=0)

Flight time of about 10:30 minutes - At the end of the flight I tried using the tracking feature. It followed me for a short time, then it turned and went straight into a tree. It got stuck in the branches of the tree, but fortunately there was no damage.

10/26/16 - 4:03 PM (Video of flight - https://www.dropbox.com/s/1b1pimtegn9ezev/403pm%20flight.mov?dl=0)

Flight time of about 1 minute. Shortly after I initiated lift off, the Mavic started moving very fast away from me at about 4 feet above the ground, even though I was not touching the controls. It stopped before hitting a tree, and hovered in place. I was unable to control it with the remote, so I attempted to initiate the landing sequence. It responded, but instead of landing, it crashed at high speed into a tree and broke it's propellers.

10/26/16 - 4:30 PM (Video of flight - https://www.dropbox.com/s/sv71vhcaoy7ctal/430%20flight.mov?dl=0)


Flight time of about 8 minutes. I replaced the broken propellers and attempted to fly the Mavic again. It seemed to fly fine until the end where it unexpectedly landed on it's own, about 100 feet away from where it had taken off. Fortunately, this was in my backyard, on the grass.

10/26/16 - 5:28 PM (Video of flight - https://www.dropbox.com/s/wjwc0opttn57cbg/528pm%20flight.mov?dl=0)

Attempted one last flight to see what would happen. I initiated lift off and the Mavic began to spin around in circles very fast, even though I wasn't touching the controls. It lifted up, then dropped back down multiple times. It would not respond to any commands on the controls. Finally, after almost 2 minutes, it responded to the land command and landed. It would not respond to further commands.

This video might make you sick - Video from the drone of the last flight - https://www.dropbox.com/s/j9co39 ... 6_17_28_41.mp4?dl=0


2016-10-27
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rocco12475
lvl.3

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Sounds like a great product!!!  Where can I pick one up?
2016-10-27
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Wasabi6
lvl.4
United States
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Upload the flight logs
2016-10-27
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msduncanrolltid
Second Officer
Flight distance : 1669012 ft
United States
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This post scares the absolute bejesus out of me.    Maybe I should have kept my Phantom 3.
2016-10-27
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DRONE-flies-YOU
First Officer
Flight distance : 1182441 ft
United States
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WOW, I've got to admit...  You've got huge attachments for even trying those later flights!
2016-10-27
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ctonyperry
lvl.3

United States
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Sounds like you got a dud. Definitely something to take up with DJI support, who will ask for your flight logs like he^ said.
2016-10-27
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msduncanrolltid
Second Officer
Flight distance : 1669012 ft
United States
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Wasabi is right though -- upload the flight logs so that Ken can take a look.
2016-10-27
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CabinPete
lvl.4
Flight distance : 98 ft
United States
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Yeah, to be fair to DJI, no log it didn't happen.

I know everything on the internet is true but I heard, once, that someone might have posted incorrect information.
2016-10-27
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hallmark007
Captain
Flight distance : 5740837 ft
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Ireland
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This spinning around is one that has been reported 3/4 times from other users including two crashes, it sounds like a firmwear update is needed, it would help if you uploaded flight logs here, you may end up getting different opinions, but if you get dji Ken to look at them he has already been looking at other similar logs.
2016-10-27
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qMvQTfjUrm4z
Second Officer

United States
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Following.  I'll be interested when you post the flight logs.
2016-10-27
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Nees
Second Officer
Flight distance : 80988 ft
Belgium
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Can you replay the flights and record it and put on youtube for us too see? Interested.
2016-10-27
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csbaker80
lvl.1

United States
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Here are my flight logs. Thanks for taking a look!

FlightLogs.zip

1.39 KB, Down times: 31

2016-10-27
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calvindo
lvl.3
Flight distance : 344738 ft
United States
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This is likely why all the delay. They shipped a small amount to prevent people from canceling. Its simply not ready for sale! upload the logs so it can be validated.
2016-10-27
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csbaker80
lvl.1

United States
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I'm working on getting these videos recored and uploaded
2016-10-27
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method007
First Officer
Flight distance : 110449 ft
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Those can't be actual flight logs, they are much bigger in size.
2016-10-27
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csbaker80
lvl.1

United States
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This was from the 'FlightLogs' folder on my iPhone. Is there another folder I should upload?
2016-10-27
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csbaker80
lvl.1

United States
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Here are files from the 'FlightRecord' folder (one of the flights has a file over 1MB - here's the link https://www.dropbox.com/s/ijnz2v ... -39%5D.txt.zip?dl=0)

DJIFlightRecord_2016-10-26_[17-28-07].txt.zip

136.61 KB, Down times: 4

DJIFlightRecord_2016-10-26_[16-03-09].txt.zip

560.13 KB, Down times: 2

DJIFlightRecord_2016-10-26_[12-25-55].txt.zip

623.76 KB, Down times: 2

2016-10-27
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DJI-Ken
DJI team
Flight distance : 1515312 ft
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WOW, Did you call customer support (818-235-0789) to start a ticket?
What is your email and I can look at your basic flight info.
But for the full DAT flight records you need to connect the aircraft to the DJI Assistant2 software
http://www.dji.com/mavic/info#downloads then save the DAT files to your computer and upload them to Dropbox or something like that. Start a ticket and include the Dropbox link and they will perform a flight data analysis.

2016-10-27
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Exib
First Officer
Flight distance : 153760 ft
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United Kingdom
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Can you confirm if this your first DJI drone, what were you flying before?
2016-10-27
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Ange1walk
lvl.4
Flight distance : 30305 ft
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Exib Posted at 2016-10-28 06:03
Can you confirm if this your first DJI drone, what were you flying before?

No matter what he was flying before or didn't fly, if this is all true and checked positive, this is catastrophical at best, even worse than that.
This needs some serious looking into.
2016-10-27
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csbaker80
lvl.1

United States
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I agree with Ange1walk - not that it matters, but this is my first DJI drone. I have flown a number of different drones prior to this, and I consider myself to be pretty capable. Check out the videos I posted in my first message if you need further proof of these flights.
2016-10-27
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spalding1968
lvl.3
Flight distance : 315584 ft
United Kingdom
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Has everyone watched the left stick inputs on his vids. A whole lotta pretty in a whole lotta crazy.
2016-10-27
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Nees
Second Officer
Flight distance : 80988 ft
Belgium
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Were you doing those left-stick controls in the last video? It is full right and occasionally full upwards.

If not, we need a new internet-term for it. LSI (Left Stick Issue)
2016-10-27
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csbaker80
lvl.1

United States
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Nees Posted at 2016-10-27 18:29
Were you doing those left-stick controls in the last video? It is full right and occasionally full u ...

In the last video, I was trying to get the drone to land or at least respond in some way, so I was probably doing some of those controls. I definitely wasn't doing all of them though.
2016-10-27
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csbaker80
lvl.1

United States
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DJI-Ken Posted at 2016-10-27 18:01
WOW, Did you call customer support (818-235-0789) to start a ticket?
What is your email and I can lo ...

DJI-Ken - I did start a ticket with support over the website chat yesterday, but I never heard anything back and it's been over 24 hours. I have also tried emailing with no response. I'd rather not post my email address - can you send me a direct message?
2016-10-27
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dana5
lvl.4
Flight distance : 14354 ft
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calvindo Posted at 2016-10-27 16:12
This is likely why all the delay. They shipped a small amount to prevent people from canceling. Its  ...

Those first deliveries are not customers, they are beta testers... They just paid $1000 each to be part of the program.
2016-10-27
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BobABooey
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rocco12475 Posted at 2016-10-28 04:49
Sounds like a great product!!!  Where can I pick one up?

YIKES!!!
2016-10-27
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Ange1walk
lvl.4
Flight distance : 30305 ft
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dana5 Posted at 2016-10-28 06:36
Those first deliveries are not customers, they are beta testers... They just paid $1000 each to be ...

Well don't be so sure of it, people that purchase in 2017 might be still beta testers aswell
2016-10-27
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chris50
lvl.3

United States
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DRONE-flies-YOU Posted at 2016-10-28 04:56
WOW, I've got to admit...  You've got huge attachments for even trying those later flights!

lol huge attachments
2016-10-27
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Repsolkid
lvl.2

United Kingdom
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We shouldn't jump to too many conclusions, but at this moment I am so glad I haven't ordered my mavic yet.
Some of these stories are pretty awful, and I feel so sorry for these fully paid up beta testers!

I hope dji comes up with some solutions fast for these issues, otherwise this is going to put some strain on their new product introduction process.
2016-10-27
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qMvQTfjUrm4z
Second Officer

United States
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dana5 Posted at 2016-10-27 15:36
Those first deliveries are not customers, they are beta testers... They just paid $1000 each to be ...

That was my thought exactly.  Now we know why they took down the Beta program from this forum - in a real Beta program like that, presumably the Beta testers get some extra assurances about speedy replacements of their drones should they crash while testing the beta product.  No need to offer such extra assurances to the "fortunate 50" in this case.
2016-10-27
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HFI
Second Officer
Flight distance : 904990 ft
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Yes this is starting to feel like a rush to market.

Looking forward to when all the bugs are ironed out
2016-10-27
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Fulgerite
First Officer

United States
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Might have something to do with this?

2016-10-27
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qMvQTfjUrm4z
Second Officer

United States
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HFI Posted at 2016-10-27 15:54
Yes this is starting to feel like a rush to market.

Looking forward to when all the bugs are ironed ...

Me too.  I REALLY want to own this drone - once it's a little more reliable.  

Still seems to me like leaving off a dedicated ATTI mode on the mode switch was a mistake.
2016-10-27
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bbkinglives
lvl.1

Puerto Rico
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Oh boy! Sorry to hear it mate. On  side note it makes me feel a tad better I cancelled my order today. Good luck.
2016-10-27
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Ange1walk
lvl.4
Flight distance : 30305 ft
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Fulgerite Posted at 2016-10-28 06:54
Might have something to do with this?

https://youtu.be/Q4edzZVQY1c

Hmm, it got stuck 2x Fully on the Right, look at OPs Remote Commands from the Log Data, always got stuck on the right, could be related.
2016-10-27
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csbaker80
lvl.1

United States
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Did anyone see anything interesting in the logs?
2016-10-27
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Fulgerite
First Officer

United States
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qMvQTfjUrm4z Posted at 2016-10-27 15:57
Me too.  I REALLY want to own this drone - once it's a little more reliable.  

Still seems to me  ...

Don't worry it WILL get worked out.  (They always do...)

However in this case... Not sure ATTI would make if the controller software is not responding to stick movement.

Pressing the RTH button may be the best move in this situation?
2016-10-27
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AusAir
lvl.3
Flight distance : 425049 ft
Australia
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All the technology in these things is great when it works but wow. I'm getting a little concerned at the type of issues people are having. I've had some odd behaviour with DJI gear in the past like the much spoken of Naza fly away. At least with that, flicking back to full manual control pulled you out of the crap. This sort of issue is next level scary particularly considering the investment.

The whole waiting for the preorder thing; I'm becoming more comfortable with that by the minute. Time to dust of the F550 and get that back in the air I think.
2016-10-27
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pdbim25eeT7h
Second Officer
Flight distance : 749413 ft
Australia
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Exib Posted at 2016-10-28 06:03
Can you confirm if this your first DJI drone, what were you flying before?

Makes no difference.
2016-10-27
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