I was flying my Mavic Zoom yesterday around noon. When I was landing a received the Obstacle Avoidance Disable waring on my screen!? I landed fine, but I never seen this before. I continue to fly, when I landing again, I received the same warning “Obstacle Avoidance Disable” with the icon on my screen!  I never seen this before. This is the first time I seen this after the new Firmware update. I’m worry, that is disabling something that supposed to avoid a crash or an incident. Has anyone experience the same thing? Why is it doing this ??

  

There's a longer thread about this - yes, the firmware changed.  It works when flying but turns off when landing.  They say it will be fixed.

Hi there, thank you for reaching out and we're sorry to hear about the trouble you facing, Regarding that It is normal that the sensing icons on DJI GO 4 Android are all red when the aircraft does not take off, as the aircraft can detect obstacles. This is a normal condition, and the sensing system is not affected. This will be optimized in the next firmware version.

DJI Stephen Posted at 2018-10-21 13:00
Hi there, thank you for reaching out and we're sorry to hear about the trouble you facing, Regarding that It is normal that the sensing icons on DJI GO 4 Android are all red when the aircraft does not take off, as the aircraft can detect obstacles. This is a normal condition, and the sensing system is not affected. This will be optimized in the next firmware version.

This is happening when landing, about 30 to 40 feet in the air. some times when flying too

Z-Zoom Posted at 2018-10-22 04:46
This is happening when landing, about 30 to 40 feet in the air. some times when flying too

I'm sorry to hear that, No worries this concern being reported to our developer and they working on it.