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Mavic 2 pro sensor problem. How to read log

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  • 25
  • 11/14/2019
  • United States
PM
4 years ago
#6264 Quote
Is there a way to tell which sensor is going bad? I have a problem on one of my Mavic 2 pros where in P mode I go forward and it stops aircraft and says "breaking put sticks in center" it doesn't say how far forward the false object is(no colored radar , no distance or anything) , it doesn't do it in S, it also does it in RTH. I have never tried to read the log before. Does anyone know which sensor would act like this? Or where the log is located on AC to be able to try to read it?

Thank you
0
Robert Black, MD
  • 16
  • 10/21/2019
PM
4 years ago
#6382 Quote
Same problem when I use nld
0
  • 25
  • 11/14/2019
  • United States
PM
4 years ago
#6391 Quote
Regular board .510 on a m2p using CrystalSky stock app, I have more than one, but only one has this problem. Its been raining here I'm going to try and turn off sensor by sensor in app to try and figure it out if I can't get a readable log some how. If that doesn't work I'll take 2 apart and swap sensors one by one.
0
Robert Black, MD
  • 8
  • 5/31/2020
  • United States
PM
4 years ago
#6399 Quote
Robert wrote:
Regular board .510 on a m2p using CrystalSky stock app, I have more than one, but only one has this problem. Its been raining here I'm going to try and turn off sensor by sensor in app to try and figure it out if I can't get a readable log some how. If that doesn't work I'll take 2 apart and swap sensors one by one.


I had a similar issue yesterday and I’ve seen another post describing a similar problem. It might not be a hardware problem but a bug in the NLD software. I’d hold off on troubleshooting sensors until there’s more information about the issue.
0
  • 25
  • 11/14/2019
  • United States
PM
4 years ago
#6401 Quote
anthony wrote:
Regular board .510 on a m2p using CrystalSky stock app, I have more than one, but only one has this problem. Its been raining here I'm going to try and turn off sensor by sensor in app to try and figure it out if I can't get a readable log some how. If that doesn't work I'll take 2 apart and swap sensors one by one.

I had a similar issue yesterday and I’ve seen another post describing a similar problem. It might not be a hardware problem but a bug in the NLD software. I’d hold off on troubleshooting sensors until there’s more information about the issue.


Bird never on NLD, all stock .510 from factory(didn't buy because birdmap says stuck and I knew I can't downgrade), not even a NLD app on my crystal sky ever. Can't be NLD, toyed with sensors , disabled all, didn't see problem, but only had a fast flight, it happens offten but my flight may have been too short, also disables RTH sensore and it didn't stop then go. I'll do a longer flight on a better day. What do you suspect NLD did in your issue? I do have another m2p with NLD because it came with lower firmware and NLD on my second one doesn't have an issue, also M2P board from NLD has no sensor problems.
0
Robert Black, MD
  • 8
  • 5/31/2020
  • United States
PM
4 years ago
#6412 Quote
Robert wrote:


I had a similar issue yesterday and I’ve seen another post describing a similar problem. It might not be a hardware problem but a bug in the NLD software. I’d hold off on troubleshooting sensors until there’s more information about the issue.

Bird never on NLD, all stock .510 from factory(didn't buy because birdmap says stuck and I knew I can't downgrade), not even a NLD app on my crystal sky ever. Can't be NLD, toyed with sensors , disabled all, didn't see problem, but only had a fast flight, it happens offten but my flight may have been too short, also disables RTH sensore and it didn't stop then go. I'll do a longer flight on a better day. What do you suspect NLD did in your issue? I do have another m2p with NLD because it came with lower firmware and NLD on my second one doesn't have an issue, also M2P board from NLD has no sensor problems.


I installed the rooted board, used NLD client to upgrade it to 670 & then configured the parameters that are available (NFZ patch, speed, tilt). I had a sensor issue (obstacle avoidance) that caused the MP2 to stop mid-flight - I had to switch to sport mode to proceed with the flight. It only happened once in several flights so I don't have any more data to work with. I only mentioned it because I recall seeing a post a week or so ago where someone described something similar. I'm keeping an eye on it and if I see the issue again this forum will be my first stop.
0
  • 25
  • 11/14/2019
  • United States
PM
4 years ago
#6413 Quote
Your right if switching to sport fixed it it sounds the same, If you had to take a guess could you figure out which sense of it was? No radar with "breaking but sticks to senwter position" only Text that came up? I want to say front but it lacks radar and distance from object. Which do show up when I take off and land near objects, never crashed so it hasn't taken impact,  didn't happen first few months I had it.

Thanks,
Robert
0
Robert Black, MD
  • 8
  • 5/31/2020
  • United States
PM
4 years ago
#6423 Quote
Robert wrote:
Your right if switching to sport fixed it it sounds the same, If you had to take a guess could you figure out which sense of it was? No radar with "breaking but sticks to senwter position" only Text that came up? I want to say front but it lacks radar and distance from object. Which do show up when I take off and land near objects, never crashed so it hasn't taken impact,  didn't happen first few months I had it.

Thanks,
Robert


Yea, I didn't see any heatmap indicator bars, just the text. I'm gonna go fly it right now, if it happens I'm going to have screen recording on to capture it.
0
  • 8
  • 5/31/2020
  • United States
PM
4 years ago
#6425 Quote
anthony wrote:
Your right if switching to sport fixed it it sounds the same, If you had to take a guess could you figure out which sense of it was? No radar with "breaking but sticks to senwter position" only Text that came up? I want to say front but it lacks radar and distance from object. Which do show up when I take off and land near objects, never crashed so it hasn't taken impact,  didn't happen first few months I had it.

Thanks,
Robert

Yea, I didn't see any heatmap indicator bars, just the text. I'm gonna go fly it right now, if it happens I'm going to have screen recording on to capture it.


Just flew two batteries. The MP2 w/rcb (rooted core board, fw.670) behaved normally. I tried to push it - I maxed out forward tilt to 60 deg, max ascent/decent of 10 m/s.

I then flew a mix of P(osition) and S(port) modes. All it did was fly as expected, while hauling ass. While it's not as zippy as your typical freestyle quad, it's impressive nonetheless. And if all you've ever flown are Mavics, it's certain to be quite the thrill.

I've still got a bit more confidence testing to do (full RTH, mode switch under full throttle, max stable decent rate when filming, and some setting variations) but so far so good.
0
  • 25
  • 11/14/2019
  • United States
PM
4 years ago
#6427 Quote
60 tilt may be why no error, is that in normal mode? Sensors stop working at somewhere around 20mph, can remebember the exact #.
0
Robert Black, MD
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