panning problem

I have the Tuphoon H Plus. It's given me a headache since day 1. I have had the worst of luck with it since I bought it. Had to send it in for repair after the camera would only shake like crazy. Yuneec fixed this. But as of right now, the drone will always start panning to the left slowly...

I need to point out that I am new to both flying a drone ... and to posting on a discussion board. I've searched for my issue and cannot find any related posts. I apologize in advance if my question has already been dealt with. I have owned a Typhoon H for two years. This is my first...