Phantom 4 beeping and "Gimbal cannot receive Main Controller data...

Hey there, has the drone been involved in the crash or hard landing before? Could you read the aircraft version in About page? Please try to refresh the firmware via DJI Assistant 2 to see whether the issue remains.

DJI Susan Posted at 2018-4-20 02:04
Hey there, has the drone been involved in the crash or hard landing before? Could you read the aircraft version in About page? Please try to refresh the firmware via DJI Assistant 2 to see whether the issue remains.
https://www.youtube.com/watch?v=IyU5vXBqToQ&feature=youtu.be

I changed the left and right ESC board because the old one crashed and then the phantom did not work

shady darwish Posted at 2018-4-21 22:47
I changed the left and right ESC board because the old one crashed and then the phantom did not work

Thanks for the clarification. It is not recommended to repair at your end which may void the warranty. If you need any further assistance, please kindly start a case and send it in for diagnosis: https://www.dji.com/support