Nicolezehn
Indonesia
Offline
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Hi everyone,
This is my first post on this forum and I am hoping to get a second opinion from you as I haven't received a proper and professional response from DJI customer service.
So my Mavic Pro has crashed after a weak signal sign.
I have sent my data to DJI and their this is their analysis:
1. The aircraft worked in OPTI mode after taking off;
2. T=00:37, H=4.4m, the aircraft switched to Attitude mode due to weak GPS signal;
3. T=00:52, H=-0.2 m, the aircraft crashed in A mode;
4. In Attitude mode, the aircraft could not hover in place, brake and avoid obstacle automatically. Please fly with caution.
Conclusion: Crashed in A mode, charged.
Before the flight I've checked the status and everything indicated normal and there were no other error messages visible. I also did a firmware update a few days before the flight. I took off in opti-mode, in the open with line of sight of the drone. It was only a few seconds after taking off in Opti mode, the weak signal sign came up and it automatically switched to atti-mode. Once it went to atti mode the drone became unresponsive because it changed modes without any warning. When I tried to correct the position the controls were unresponsive to any avoidance movements attempted and the drone continued to drift into a cliff and dropped on the ground into a shallow water hole. Fortunately I found the drone back, but the drone is in critical damage now. Due to the fact that it switched automatically without returning home after losing signal, control and any type of avoidance action was near impossible due to being unresponsive causing it to crash.
My questions are why is there no manual switch to atti mode? Why did it not automatically return to home if it loses signal? Why were the controls unresponsive?
Surely this is a software defect that DJI should cover!? I have requested to be escalated to a higher department for further explanation.
DJI's response to my questions:
"There is no manual switch to atti mode by default. The drone was manufactured to do so. When there is no GPS signal or poor, it will be switched into such mode automatically. The premise of the drone returns to home is good GPS signal. And in your case, it is not. The feature of the drone in such situation is that it will drift and does not hover properly. The flight records do not show the information of the command.
We respect your choice to find the higher department but we are deeply sorry all we help customer based on result of the data analysis. It is weekends now and they are not available. Hope it is understood."
So because it's weekend I won't get an answer?? Why not do it on Monday? Really DJI?
More importantly, by their reply they are admitting that it's manufactured to crash if it has no gps by automatically switching to atti mode and unable to connect to the remote?
They are saying that the flight records are not showing RC commands - I was not just standing there and watched it fly into a cliff with people underneath it!
I have tried to get it away from the cliff but the remote was unresponsive. The fact that flight records don't show a command proves that it didn't register my movements on the RC.
I am sorry for the lenghtly post, but I am hoping to understand why DJI is not covering their manufacture faults and brushing their responsibility off by putting it on pilot error?
I can post the flight records on here if you want for further analysis?
I am super disappointed in their customer service and won't be buying anything from DJI anytime soon.
Thank you so much for your insight.
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