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No live video feed on P3P using Firmware 1.8.80
1120 11 2016-5-29
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Phantom Menace9
lvl.1

United States
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I have been having problems with my Phantom 3 Pro.
  
  
I have eliminated some possible causes, but I’m having no luck solving the problem. Everything seems to be working fine except for the live video transmission.
  
  
I get full strength on the RC connection, Full strength on the video transmission, Plenty of satellites, (Not that it would make any difference) , I was receiving telemetry as I flew the drone, The camera was working and recording just fine to the SD card, and I was able to move the gimbal up and down using the RC. So there was full communication between the RC and the aircraft, yet, I still get the red “No Signal” bar at the top of  DJI Go, and have no view from the camera.
  
  
Here are some specifics:
  
  
I have had no trouble like this before. Every flight I have taken up until now has been fine with no video trouble aside from some temporary dropouts in areas with interference.
  
  
I used the drone a few days earlier and had a perfect flight. Nothing unusual; happened during the flight. No hard landings, crashes, or anything else. The video feed was working fine right until I shut it down and put it back in its case.
  
  
Yesterday, when I took it out and powered it up, it was like this, with no video feed. I was running an old firmware, Version 1. 4.0010. I was using an old DJI Pilot app as well, and an older version of Litchi. I stopped updating before the firmware version that limited my altitude to 500M.
  
  
I ran both DJI and the Litchi app each separately and had the same issue with both apps.
  
So this tells me that neither app is to blame for the issue.
  
  
After checking everything I could think of, and not having anyone from DJI that I could get ahold of at the time, I thought perhaps updating the firmware might solve the issue.
  
  
I downloaded the latest DJI Go app (Downloaded from Google Play on 5/29/16) and let the app update my controller to the latest firmware, which appears to be version 1.6 for the controller. I went to the DJI Website and grabbed the latest firmware for the aircraft which was version 1.8.80. After a couple tries everything updated correctly and the DJI Go app now tells me that I have the most current Firmware for the controller, the aircraft, the camera, and all my batteries.
  
  
I also updated the Litchi app to the latest version, also downloaded on 5/29/16.
  
  
I tried it again, and this did not solve my problem.
  
  
Then, I did all the calibrations I could think of IMU, and compass, and even the gimbal, and then re-linked the aircraft to the RC, even though they were already connecting, just out of desperation.
  
  
No effect. Still no video feed.
  
  
Just to be sure it wasn’t my tablet (Which by the way, is a Google Nexus 7” 2013 version) I hooked up a Samsung Galaxy 5 smartphone, downloaded the Go app onto that, logged into my DJI account, plugged it into my controller, and ran it using that phone, and the result was the same. Still no video feed.
  
  
I grabbed a different cable and swapped that out (One of the white DJI cables that came with it) and that made no difference.
  
  
So I know that the problem was NOT:
  
  
1. A corrupt app
  
2. A Bad Cable
  
3. My Tablet
  
4. A weak connection from the RC to the Aircraft
  
5. A weak video transmission signal, (since it had all the strength bars)
  
6. An unlinked Aircraft
  
7. Firmware problems (Since the problem was the same with two different Firmware versions, several generations apart
  
8. lack of calibrations
  
9. The camera itself, (because it recorded fine to the SD card, and I had control of turning it on and off and moving the gimbal from the RC)
  
10. Caused by damage from a crash, mishandling, or a hard landing
  
  
  
  
In the (poor and rather shaky) video I am linking to this post, you can see all the signal strengths in the interface for both Litchi and DJI Go. You can see that telemetry is coming back to the tablet while I fly the aircraft, you can see that the RC is connected to the aircraft, you can see the video settings I am using, (I usually use 4K and started with that, but tried lowering it to 1080p just to see if there was a difference – There wasn’t) you can see that I tried manually selecting a video transmission channel instead of using Auto, and it didn’t fix the problem. I tried it with Hardware acceleration both on and off and neither fixed the problem.
Here is the video link:
  
  
So the only question left is what IS causing the problem and how do I fix it?
  
  
  
Anyone care to take a stab at this?
  
  
I looked through the forums and this problem came up a lot back in the earlier firmware versions, but very few of the posts that complained about the problem were solved, and those that were, got solved by doing some of the things I have already tried. I didn’t see any other complaints of this type while using the new firmware, but since it was happening with both the older version and this version, again, I don’t believe it’s a firmware problem.
  
  
Thank you, and I hope someone out there can help me.
  
  
  
Bob
  
2016-5-29
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imagesbyjas
Second Officer
Flight distance : 286198 ft
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When I had this, it was after a firmware update.  My iPhone worked, but not my Ipad.  For me, doing a full reset and restore (via backup - in my case iTunes) and reloading the app worked to regain video.
2016-5-29
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Phantom Menace9
lvl.1

United States
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I have done all that and more. The only things that have not been replaced are the controller and the Aircraft itself.
2016-5-29
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DJI-Paladin
DJI team
Flight distance : 2408 ft

Hong Kong
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Hello Menace9, if you have updated your drone, could you please post the upgrade log here? You can find it by these steps:
1. Enable the option of viewing hidden files in your OS. Below are the websites where you can check how to show the hidden files in your PC.
For The Windows System:
http://windows.microsoft.com/en- ... den-files=windows-7
For The Mac System:
http://ianlunn.co.uk/articles/qu ... mac-os-x-mavericks/
2.Enter the root directory of the SD card, then find the hidden folder MISC and enter it. There is LOG folder in it.
3.The LOG txt file is under the LOG folder.


2016-5-30
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Phantom Menace9
lvl.1

United States
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I will try that, but please remember that this problem started BEFORE I updated anything. The Phantom was put in it's case working fine. I pulled it out a few days later and the video feed was gone. Updating the firmware was an attempt to fix the problem, not the cause.
2016-5-30
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Phantom Menace9
lvl.1

United States
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Here is the log file, but again, the problem started before any updates were done.

[00015040]Delete history success.

[00015310]========== 2016.05.29 05:36:59. boot(15) ============
[00015392]Packet [C:\P3X_FW_V01.08.0080.bin] detected, card sn [0xa1420cc6].
[00015475]Packet upgrade start...

[00015562]Packet checking...
[00015638]Packet vlink 01.08.0080 <-> 01.07.0060.
[00015717]Record vlink 01.04.0010 <-> 01.03.0020 (flow = 0).
[00015807]Done.

[00015886]Version checking[1]...
[00015993][03 05][00] v34.2.0.9 -> v34.2.0.9
[00016114][03 06][00] v2.4.14.5 -> v2.4.14.5
[00016211][04 00][00] v1.44.0.0 -> v1.44.0.0
[00016353][11 00][00] v1.7.15.1 -> v1.7.15.1
[00016481][12 00][00] v1.10.0.0 -> v1.10.0.0
[00016612][12 01][00] v1.10.0.0 -> v1.10.0.0
[00016722][12 02][00] v1.10.0.0 -> v1.10.0.0
[00016847][12 03][00] v1.10.0.0 -> v1.10.0.0
[00029426][15 00][00] device not detected.
[00029556][17 00][00] v1.1.1.7 -> v1.1.1.7
[00029742][17 01][00] v1.0.2.7 -> v1.0.2.7
[00029833][19 00][00] v1.0.8.96 -> v1.0.8.96
[00029913][01 00][00] v1.30.5036 -> v1.30.5036
[00029998][01 01][00] v1.30.5036 -> v1.30.5036



I didn't intentionally delete anything, so I'm not sure why it starts with saying Delete History Success, but I hope this is useful. It's pretty much all Greek to me.
2016-5-30
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lucg
lvl.1

Canada
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Hi there, i also have the same isue as you do have with my P3 Advanced.  Im also an Advanced user ( got a p3pro,p3advance  x 2 ) ....   and one of them refuse to send my video feed.  Also try to update the firmware of the drone but refuse it.. maybe because it already have the good firmware version ?.    Now im stuck......  Anyone have an idea ?
2016-5-31
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nefryt87
lvl.1

United States
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New DJI GO app version has been released. Did you fix the problem?
2016-6-1
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Donnie
Captain
Flight distance : 3636782 ft
United States
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Phantom Menace9 Posted at 2016-5-30 06:43
Here is the log file, but again, the problem started before any updates were done.

[00015040]Delet ...

More than likely you left your radio RC on during the update process of the aircraft .  Line 15 says device not detected, I am sorry there is no fix for this and the Aircraft will need to be sent in.

Sorry to break the bad news

donnie
2016-6-1
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Donnie
Captain
Flight distance : 3636782 ft
United States
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lucg@brunelle.t Posted at 2016-5-31 14:08
Hi there, i also have the same isue as you do have with my P3 Advanced.  Im also an Advanced user (  ...

Lucg, I Posted to you on your thread , all I need to see is the Log , like the Poster above did .  
Post 6



donnie
2016-6-1
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3mpty
lvl.2

Netherlands
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I still have the same issue.. No video signal with my p3a. Tried almost everything now. Only had a couple of succesful flights.
2016-6-5
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Phantom Menace9
lvl.1

United States
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Donnie, I did not have the RC on during the Firmware update of the aircraft. I did read and follow all the directions.

I haven't checked back on this, since I didn't have time to wait for repairs and bought a new one. The old one is just sitting in a box taking up space right now.

I hope to eventually find the solution, but I could no longer wait for suggestions.
2016-7-8
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