Hello Mavic Pilots am a new member and need your help. Mavic air 2 error180017 downward vision sensor error contact dji assistant. After firmware update to version 01.00.0511 i got this error. We try install earlier version with dji assistant 2 but the only firmware version that the app display is 01.00.0511. Also try to calibrate the visions sensors with dji assistant 2 but in the moment to calibrate the downward visual sensor the guidelines is not displayed in the monitor and i can't finish the process. I appreciate the help you can give me to solve this error problem.