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Downward Sensor Calibration issue on my Mavic 2 Pro

RedBaron2

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RE: For the last few months, I have been receiving a notice on my Smart Controller of a need to calibrate the downward sensor on my Mavic 2 Pro. No landing problems have been experienced. I have not found any directions to resolve this issue. I prefer RTH landings but will also perform manual landings as well. No apparent difficulties. I would appreciate any guidance that this group would offer. Thank you.
 
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1. Calibrate it.
2. Clean it.
If these two won't clear the error, you need to replace the sensor.
Is it damaged? Any hard landings?
 
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1. Calibrate it.
2. Clean it.
If these two won't clear the error, you need to replace the sensor.
Is it damaged? Any hard landings?
Agreed. I've had the same error for well over a year. Several calibrations with no help. Never had any hard landings. I always use manual landings, and the drone descends gently as designed. The sensor needs replacing. I haven't replaced it as it hasn't caused any problems for me.
 
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Usually you get access to the visual sensor calibrations through the DJI Assistant 2 software.

You can find the version for Mavic 2 here --> Mavic 2 - Download Center - DJI

View attachment 180390
Still working on resolving a downward sensor problem. Not working.
My thanks to all contributors. Please excuse my ignorance. Please understand that you are dealing with a really old and not mechanically-inclined drone pilot. But, I really enjoy flying the Mavic 2 Pro and I do not want to lose it. Originally, I checked the Smart Controller for guidance on downward sensor calibration. Nothing seemed to work. Cleaned the sensor surfaces; no improvement. Guidance from this forum inspired me to resolve a potentially serious problem. Not there yet, so I am looking for further guidance. As guidance for others with a similar issue, I offer the following as a report/checklist of progress so far.
1. Unlinked my M2P from my smart controller.
2. Relinked to the original controller.
3. Downloaded DJI Assistant 2 to my home Windows PC. Appears to be compatible with my equipment.
4. Identified on the M2P a small rubber panel that provides access to a computer connection. It appears that it provides connection to my home PC. Is that accurate?
5. Encountered low-battery issues with all equipment (Mavic 2 Pro batteries, Smart Controller and my Original Controller).
6. Now recharging all batteries.
7. As a next step, I plan to connect the M2P to my home PC for the first time.
8. Assuming that works, what should I expect to see on my PC screen? Where should I look for the page shown above on this page?
9. What should I expect as next steps?

Thank you from a really old drone pilot.
Ron B
 
Try this... & before you start, fully charge the drone battery.

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I see two more pilots with similar calibration issues. My progress report applies to all of us.

10. As directed by SLUP (thank you) in the YouTube video, I downloaded Assistant 2 to my PC.
11. Connected M2P to computer, and turned it on.
12. Then, I needed to download from DJI two separate updates for the Assistant 2. Quite a lengthy process.
13. Once fully downloaded and re-booted, it was easy to identify the calibration button.
14. Good advice from "slup": "Try this... & before you start, fully charge the drone battery."
- Reviewed the YouTube tutorial several times.
15. The actual calibration process takes a lot of time and patience and repeated effort after several failed attempts. A stead hand is strongly encouraged.
16. I do not have a steady hand but I will try again tomorrow.
PS, I have seen some progress. Good luck to others with calibration issues.
 

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