The height of dji spark was not detected correctly while flying
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TechCreator
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  1#
Dear All,
I had an issue recently as per attached picture. Did anyone can help me to address the issue. I did what was being told by dji support.
1) update latest firmware
2) re-install go 4 app
3) calibrate IMU

Am i having issue with hardware?
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2020-4-9
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TechCreator
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  2#
11. 2 feet was stagnant and always around that figure as per my observation, in the past the height will tally with the actual elevation. I never have crash on my dji spark so far.
2020-4-9
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TechCreator
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  3#
The next step i did  change to another android phone but the same issue i face.
2020-4-9
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Wolferl
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  4#
Are you using an OTG cable to connect your phone to the remote?

Cheers,
Wolferl
2020-4-10
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DJI Natalia
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  5#
Hi TechCreator, if the issue still persists after all the troubleshooting, you are recommended to send the drone in for a diagnosis.
You may start an online repair request on our official web and then send it back. Here is the link: https://repair.dji.com/repair/index?site=brandsite&from=nav or contact our support team at this link: http://www.dji.com/support to open a case and then send it in.
Please be advised that due to COVID-19 prevention and traffic controls, product repairs and shipment times are expected to be delayed.
2020-4-10
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LouisP
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  6#
Try cleaning the downward looking sensors.
2020-4-10
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TechCreator
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  7#
DJI Natalia Posted at 4-10 01:52
Hi TechCreator, if the issue still persists after all the troubleshooting, you are recommended to send the drone in for a diagnosis.
You may start an online repair request on our official web and then send it back. Here is the link: https://repair.dji.com/repair/index?site=brandsite&from=nav or contact our support team at this link: http://www.dji.com/support to open a case and then send it in.
Please be advised that due to COVID-19 prevention and traffic controls, product repairs and shipment times are expected to be delayed.

Thanks Natalia..appreciate your respond
2020-4-13
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DJI Natalia
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  8#
TechCreator Posted at 4-13 19:41
Thanks Natalia..appreciate your respond

You're welcome. Hope everything goes smoothly, best regards!
2020-4-14
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S-e-ven
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  9#
Have you been flying, by any chance, about 4m over a roof?
Upload your flight record to
https://www.phantomhelp.com/logviewer/upload/

And check it out or link the uploaded record to this topic.
2020-4-16
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Jakab Gipsz
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  10#
LouisP Posted at 4-10 11:17
Try cleaning the downward looking sensors.

The downward-facing sensors are already switched off at this height! In this case, the barometer takes over the altitude measurement.
Try resetting the drone (by pressing and holding the power button) and then calibrating everything.
2020-4-19
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Anuvis
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Greece
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  11#
You have a faulty barometer old story.....I have the same problem ......They will tell you to sent it back etc the known bul...s....
2020-4-19
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NRRTRAINS 85
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  12#
when you first take off and you are hovering what does it read and when you are about to land what is it  . if you can land and take off  i would not worry . fly by line of  sight . i have seen this happen and even in the flight logs .  
2020-4-19
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TechCreator
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  13#
Wolferl Posted at 4-10 00:05
Are you using an OTG cable to connect your phone to the remote?

Cheers,

i used wifi, when i used otg cable, it is alwalys disconnect in the middle of flying.
2020-6-4
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TechCreator
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  14#
DJI Natalia Posted at 4-10 01:52
Hi TechCreator, if the issue still persists after all the troubleshooting, you are recommended to send the drone in for a diagnosis.
You may start an online repair request on our official web and then send it back. Here is the link: https://repair.dji.com/repair/index?site=brandsite&from=nav or contact our support team at this link: http://www.dji.com/support to open a case and then send it in.
Please be advised that due to COVID-19 prevention and traffic controls, product repairs and shipment times are expected to be delayed.

Noted with thanks. I was thinking to sent but due to Covid 19 movement control. I forsee that the respond/diagnose duration will be longer. BTW do i need to send to China or i can sent within my country?
2020-6-4
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TechCreator
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  15#
NRRTRAINS 85 Posted at 4-19 15:11
when you first take off and you are hovering what does it read and when you are about to land what is it  . if you can land and take off  i would not worry . fly by line of  sight . i have seen this happen and even in the flight logs .

the height reading while hovering and landing is not tally with actual elevation. The distance have no issue, the reading is accurate. Overall take off and landing , the aircraft have no issue. All was functioning well.
2020-6-4
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TechCreator
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  16#
Anuvis Posted at 4-19 13:34
You have a faulty barometer old story.....I have the same problem ......They will tell you to sent it back etc the known bul...s....

Really ? yes your are right they ask me to sent to them, but due to covid 19 movement control, i foresee it will take longer time.BTW did u sent to them for diagnose? Finally your problem solved?
2020-6-4
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TechCreator
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  17#
Jakab Gipsz Posted at 4-19 11:42
The downward-facing sensors are already switched off at this height! In this case, the barometer takes over the altitude measurement.
Try resetting the drone (by pressing and holding the power button) and then calibrating everything.

Thank LouisP, i done what have been recommended , but the height still not improved. I just used my own eyes to anticipate my aircraft height. When i cannot see it, i just press return to home button.
2020-6-4
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Anuvis
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  18#
TechCreator Posted at 6-4 06:02
Really ? yes your are right they ask me to sent to them, but due to covid 19 movement control, i foresee it will take longer time.BTW did u sent to them for diagnose? Finally your problem solved?

No i did not sent it problem is not solved
2020-6-15
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TechCreator
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  19#
Wolferl Posted at 4-10 00:05
Are you using an OTG cable to connect your phone to the remote?

Cheers,

using wifi and also OTG but same result
2020-8-4
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TechCreator
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  20#
LouisP Posted at 4-10 11:17
Try cleaning the downward looking sensors.

clean up but it is still the same
2020-8-4
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TechCreator
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  21#
Guys..I finally send the drone to remote control shop...the technician just calibrate my IMU and the problem solved. I tried do it my self but it is error. Thanks for responding to my post
2020-11-25
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Jakab Gipsz
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  22#
TechCreator Posted at 11-25 05:44
Guys..I finally send the drone to remote control shop...the technician just calibrate my IMU and the problem solved. I tried do it my self but it is error. Thanks for responding to my post

That’s exactly what I said in post # 10, back in April. Why didn't you do that?
2020-11-26
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TechCreator
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  23#
Jakab Gipsz Posted at 11-26 13:48
That’s exactly what I said in post # 10, back in April. Why didn't you do that?

I did but each time did..appear error....
Get help from.the technician...he did it easily....anyway thanks for the info...
2020-11-26
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