Are you in atti mode or GPS mode? Is it flashing from green to red? Red light can mean different things! Calibration error or GPS signal indicator or low voltage or transmitter sticks mid point error to big! If you have a manual read flow chart and led description or you can get it from dji good luck.
hi folks i have a phantom 1 which uses a 11.1v 2200mAh 20c battery and i get about 6-7 flight time if i use a 11.1v 2600mAh 30c battery will i get much more flight time if any ?