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DJI Spark launch RTH at high altitude and becomes unresponsive while showing inaccurate height
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<blockquote data-quote="cologne_seethe_mastery" data-source="post: 17868" data-attributes="member: 3221"><p>Hello,</p><p></p><p>First short introduction, i am brand new drone pilot, spark is my first ever drone i have owned and flied. First I was planning Mavic but though better start easier and upgrade later. I have had spark now about two weeks and keep learning and flying. Trying different setting everytime, recording and checking how it looks like.</p><p></p><p>Yesterday I was testing active tracking and trying to launch it first from palm and activate only using phone (usually Im always using RC) I initiate but kept getting error message aircraft too low even the drone was about 2-3 meters high (got distracted and forgot to check what display showed on screen) so I kept launching it while getting error message aircraft too low. Eventually I put it bit higher and got it to work (again unfortunately I did not read altitude on screen...) </p><p></p><p>After that I connected RC so easier controlling. I flew awhile and lifted drone about 30 meter and suddently RTH launched and could not move drone at all. It started to rapidly decent, got bit panicked. I was pressing pause on RC, pressing cancel on screen even hold RTH button on RC, trying to move sticks. Eventually pushing left stick forward got it stop. I was thinking hmmm what was that. I took drone down, changed battery and calibrated GPS and started to fly. Same thing happened when i got up past 30 meters. At that point I packed drone and called for the day. When I got back home I though IMU calibrate was needed so I did it.</p><p></p><p>Today I planned practise manual ISO, shutter speed and WB setting while manoeuvring tripod mode at low altitude (2-4 metres) Spark was acting perfectly, accurate and hovering very still (again did not check altitude on screen...) After a while I though I would do slow clime front of tree above treeline. Again around 30 metre mark RTH initiated. This time I did not panicked and eventually gain control of the plain. After I got plain safely back on my hand I went back home.</p><p></p><p>At home I connected my iphone to macbook so I could screen record. At provided video does not show GPS calibration but I did it before take off. I took drone off first to 30 meters and noticed altitude was not accurate, nothing happened. I took plain bit higher and according reading after 40 meter RTH came on. It was not even moving down. I should have speak while recording because I forgot sequence of pressed button.</p><p></p><p>I think first I pressed RC pause button-- nothing happened, then I pressed onscreen cancel---nothing then long press to RTH button on RC- nothing. Left stick up or down nothing but I was able to rotate as seen on video. After long pull left button aircraft started rapid decent. Pushing forward the left stick I got it to stop and safely on the ground.</p><p></p><p>Beginning the video i am showing my setting so you can check it if any of them are causing this. I appreacited any of your help if you need something else I will provide. I also like to thank many of you in this forum, I have learned a lot last 2 weeks in here.</p><p></p><p>app version 4.1.12</p><p>aircraft version 01.00.0600</p><p>flight database version 01.00.01.07</p><p>basic app fly safe database version 01.00.01.05</p><p>precise app fly safe database version 01.00.01.07</p><p></p><p>[MEDIA=youtube]dLn1m_70ywY[/MEDIA]</p></blockquote><p></p>
[QUOTE="cologne_seethe_mastery, post: 17868, member: 3221"] Hello, First short introduction, i am brand new drone pilot, spark is my first ever drone i have owned and flied. First I was planning Mavic but though better start easier and upgrade later. I have had spark now about two weeks and keep learning and flying. Trying different setting everytime, recording and checking how it looks like. Yesterday I was testing active tracking and trying to launch it first from palm and activate only using phone (usually Im always using RC) I initiate but kept getting error message aircraft too low even the drone was about 2-3 meters high (got distracted and forgot to check what display showed on screen) so I kept launching it while getting error message aircraft too low. Eventually I put it bit higher and got it to work (again unfortunately I did not read altitude on screen...) After that I connected RC so easier controlling. I flew awhile and lifted drone about 30 meter and suddently RTH launched and could not move drone at all. It started to rapidly decent, got bit panicked. I was pressing pause on RC, pressing cancel on screen even hold RTH button on RC, trying to move sticks. Eventually pushing left stick forward got it stop. I was thinking hmmm what was that. I took drone down, changed battery and calibrated GPS and started to fly. Same thing happened when i got up past 30 meters. At that point I packed drone and called for the day. When I got back home I though IMU calibrate was needed so I did it. Today I planned practise manual ISO, shutter speed and WB setting while manoeuvring tripod mode at low altitude (2-4 metres) Spark was acting perfectly, accurate and hovering very still (again did not check altitude on screen...) After a while I though I would do slow clime front of tree above treeline. Again around 30 metre mark RTH initiated. This time I did not panicked and eventually gain control of the plain. After I got plain safely back on my hand I went back home. At home I connected my iphone to macbook so I could screen record. At provided video does not show GPS calibration but I did it before take off. I took drone off first to 30 meters and noticed altitude was not accurate, nothing happened. I took plain bit higher and according reading after 40 meter RTH came on. It was not even moving down. I should have speak while recording because I forgot sequence of pressed button. I think first I pressed RC pause button-- nothing happened, then I pressed onscreen cancel---nothing then long press to RTH button on RC- nothing. Left stick up or down nothing but I was able to rotate as seen on video. After long pull left button aircraft started rapid decent. Pushing forward the left stick I got it to stop and safely on the ground. Beginning the video i am showing my setting so you can check it if any of them are causing this. I appreacited any of your help if you need something else I will provide. I also like to thank many of you in this forum, I have learned a lot last 2 weeks in here. app version 4.1.12 aircraft version 01.00.0600 flight database version 01.00.01.07 basic app fly safe database version 01.00.01.05 precise app fly safe database version 01.00.01.07 [MEDIA=youtube]dLn1m_70ywY[/MEDIA] [/QUOTE]
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DJI Spark launch RTH at high altitude and becomes unresponsive while showing inaccurate height