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Spark hovering
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5642 41 2017-9-6
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Hi everyone,
I saw something weird on my drone.
After the firmware update I took off the aircraft and I saw it was not hovering still, there was no wind at all.

I've tried to reset the drone and to reinstall the latest firmware but still "not working" well.

Is anyone know what to do with that?

Thanks
2017-9-6
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schmots1
lvl.2
Flight distance : 3773 ft

United States
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Try reseting the compass and IMU
2017-9-6
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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schmots1 Posted at 2017-9-6 10:29
Try reseting the compass and IMU

I've done it but still not working.
I'm using my iPhone for now because my RC is under reparation.
2017-9-6
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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Factory reset via dji assistant 2 made the trick for me...Same problem as you...
2017-9-6
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Anuvis Posted at 2017-9-6 10:42
Factory reset via dji assistant 2 made the trick for me...Same problem as you...

I did a factory reset before and the I've reinstalled the new firmware but nothing.
Maybe with RC is gonna be better?
2017-9-6
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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fanscd67da26 Posted at 2017-9-6 10:49
I did a factory reset before and the I've reinstalled the new firmware but nothing.
Maybe with RC is gonna be better?

If you are in a place with low light hovering up from grasses or leafs or a glossy terrain  the ac will be unstable .Also check if the down sensors are clean .Also  check if any metals are close to your ac 1.5 meter close may cause this effects  ... Finaly check your props for dents ot damage put them off the ac to see is they have any damage to theese litle foots they have to lock in motors
2017-9-6
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Anuvis Posted at 2017-9-6 10:54
If you are in a place with low light hovering up from grasses or leafs or a glossy terrain  the ac will be unstable .Also check if the down sensors are clean .Also  check if any metals are close to your ac 1.5 meter close may cause this effects  ... Finaly check your props for dents ot damage put them off the ac to see is they have any damage to theese litle foots they have to lock in motors

I'll test tomorrow and I'll let you know.

Thanks guys
2017-9-6
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Sparky_17
Captain
Flight distance : 62349 ft
Canada
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I had the same issue over the weekend but it was pretty windy.  I did reset the IMU calibration (first time ever) and it didn't seem to fix the hovering problem.  I'll try it again, maybe tonight if not windy to see how it behaves.  hopefully it was just due to wind.
2017-9-6
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hallmark007
Captain
Flight distance : 4797602 ft
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Ireland
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When using VPS you need good lighting and good textured surface underneath AC for VPS to get a really good lock.
2017-9-6
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DJI Elektra
Administrator
Hong Kong
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I agreed with Anuvis. Please check your sensor and choose a proper place to fly. Stay away from objects which have a bad influence on your vision system.
Before flight, you can check the aircraft status and see if IMU or compass need to be calibrated.
If the problem still exists, it will be really helpful that you share a video for us to check.
2017-9-6
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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I've cleaned all the sensors, reset the firmware, changed props, calibrate IMU and compass... there you go.. is moving with no wind.
2017-9-7
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DJI Elektra
Administrator
China
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fanscd67da26 Posted at 2017-9-7 00:08
I've cleaned all the sensors, reset the firmware, changed props, calibrate IMU and compass... there you go.. is moving with no wind.

Can you shoot a video about this situation? I would forward it to our engineers for check. Thanks.
2017-9-7
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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DJI Elektra Posted at 2017-9-7 02:25
Can you shoot a video about this situation? I would forward it to our engineers for check. Thanks.

I m curious also...
2017-9-7
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lannes
Captain
Flight distance : 4465 ft
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Australia
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If they atti mode , it moves around a bit
2017-9-7
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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DJI Elektra Posted at 2017-9-7 02:25
Can you shoot a video about this situation? I would forward it to our engineers for check. Thanks.

I don't know how to do it.
I've done a Video and the size is 7MB but the forum setting says I can only upload jpg,zip,etc less than 1MB.
2017-9-7
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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DJI Elektra Posted at 2017-9-7 02:25
Can you shoot a video about this situation? I would forward it to our engineers for check. Thanks.







2017-9-7
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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Is it in FPV mode?
2017-9-7
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Montfrooij Posted at 2017-9-7 08:19
Is it in FPV mode?

No, follow mode
2017-9-7
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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Very strange
2017-9-7
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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Anyone noticed the battery lights ????what means that pattern I have never seen it before !!!!
2017-9-7
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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Anuvis Posted at 2017-9-7 09:38
Anyone noticed the battery lights ????what means that pattern I have never seen it before !!!!

Might be interfering with the framerate of the camera.
2017-9-7
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lannes
Captain
Flight distance : 4465 ft
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Australia
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Anuvis Posted at 2017-9-7 09:38
Anyone noticed the battery lights ????what means that pattern I have never seen it before !!!!

+1 battery is not normal
But the AC  is correcting itself in hover, it's not drifting away and going significantly up and down, I've seen a lot worse.

During flight, are you seeing any spikes in IMU, compass and wireless interference or are they all green all the time ?

2017-9-7
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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Can you try another Battery?
2017-9-7
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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It looks like a short circuit to me or battery is not delivering power to ac with the same current. Maybe a power problem makes this up down etc...Battery problem or ac problem I am guessing.. Can you take a screenshot of the battery cells via app?
2017-9-7
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ASEPK
lvl.2
Flight distance : 35515 ft
Indonesia
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My spark more not stable hover after update fw to v4.1.8. Sliding 40cm after hovering 5minutes with alti 1.5m, indoor and no wind.
2017-9-7
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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lannes Posted at 2017-9-7 11:55
+1 battery is not normal
But the AC  is correcting itself in hover, it's not drifting away and going significantly up and down, I've seen a lot worse.

I guess this might be caused by the framerate of the led's.
2017-9-7
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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Do the lights from the battery blink left to right like they do in the video, or is that effect caused by the camera?
2017-9-7
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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lannes Posted at 2017-9-7 11:55
+1 battery is not normal
But the AC  is correcting itself in hover, it's not drifting away and going significantly up and down, I've seen a lot worse.


The IMU details says "moving" and I don't see any spikes.
2017-9-8
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Here the screenshot of the battery life and IMU status.
IMG_3855.PNG
IMG_3856.PNG
2017-9-8
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DJI Elektra
Administrator
Hong Kong
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ASEPK Posted at 2017-9-7 19:36
My spark more not stable hover after update fw to v4.1.8. Sliding 40cm after hovering 5minutes with alti 1.5m, indoor and no wind.

Asepk, please have a look at the user manual. The VPS won't function well indoor and I would recommend you install popeller guard. Try to hover your spark in an open place without interference. And stay away from objects that have a bad impact on VPS.

indoor flight.png
2017-9-8
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DJI Elektra
Administrator
China
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fanscd67da26 Posted at 2017-9-8 00:25
Here the screenshot of the battery life and IMU status.

I would transfer the info to our engineers, please wait patiently. Thanks.
2017-9-8
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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DJI Elektra Posted at 2017-9-8 00:36
I would transfer the info to our engineers, please wait patiently. Thanks.

Thank you very much.
2017-9-8
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Anuvis
First Officer
Flight distance : 1824783 ft
Greece
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fanscd67da26 Posted at 2017-9-8 00:25
Here the screenshot of the battery life and IMU status.

The drone must be in the ground not flying to see the stats of imu and compass....
2017-9-8
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fanscd67da26
lvl.1
Flight distance : 820 ft
Italy
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Anuvis Posted at 2017-9-8 02:14
The drone must be in the ground not flying to see the stats of imu and compass....

By the way, when is on the ground IMU and compass are green so excellent.
2017-9-8
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lannes
Captain
Flight distance : 4465 ft
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Australia
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Your hovering looks like it's within "spec"
hovering.JPG
2017-9-8
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DJI Joe
Administrator

United States
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Montfrooij Posted at 2017-9-7 23:25
Do the lights from the battery blink left to right like they do in the video, or is that effect caused by the camera?

This happen swith certain cameras. The lights are static.
2017-9-8
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Montfrooij
Captain
Flight distance : 1724619 ft
Netherlands
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DJI Joe Posted at 2017-9-8 16:39
This happen swith certain cameras. The lights are static.

Yes, that I know. I only questioned the OP because I thought it was caused by the camera but other repliers thought it was a defect battery.
2017-9-9
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DJI Elektra
Administrator
China
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fanscd67da26 Posted at 2017-9-8 00:25
Here the screenshot of the battery life and IMU status.

Thanks for you patience. Please try to put your drone on the flat and calibrate your compass before flight.
The indicator of the battery is normal. It seems different because of the frame rates. Please inform us if the problem exists.
2017-9-12
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fans9ea9c44f
First Officer
Flight distance : 22129 ft
United Kingdom
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Is your gyro reading also green.(a/c must be still on ground to read.)
2017-9-12
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Jacob Williams
Second Officer
Flight distance : 824560 ft
United States
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The hovering is super stable, it's not going to be like a camera on a tripod; it's a flying object with other forces affecting it. That is normal hovering and is what I get with my Spark.
2019-3-13
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