Drone will not take off after I tap GO !
There are a variety of reasons your DJI may not want to take off. The CIRRUAS app will prompt you for common errors, but there are a few that we can not access.
Your quickest route is to open DJI Go 4 or DJI Go and get a 2nd opinion on the situation.
Some common reasons:
#1 Your Battery is too hot or too cold: