I been searching and read a few older threads on this topic, but do not have a clear understanding on the issue. Is there need for concern or just motors reached that max RPM?

Hello and good day TheLazyC. I am sorry for the trouble. May I know if the ESC error started after a crash or after a firmware upgrade? May i know what is the current firmware of your DJI Phantom 4 Pro? Please keep us posted on the said issue for us to be able to help you further. Thanks you.

DJI Stephen Posted at 4-18 08:54
Hello and good day TheLazyC. I am sorry for the trouble. May I know if the ESC error started after a crash or after a firmware upgrade? May i know what is the current firmware of your DJI Phantom 4 Pro? Please keep us posted on the said issue for us to be able to help you further. Thanks you.

It has never been crashed and is brand new with latest firmware.