It sounds like you have two, entirely separate, flash systems assembled: the YN 685 with 622 triggers and the Flashpoint AD200's with TX controller....
Yes, that's your issue. When it comes to off camera flash you have two link-chains to be considered: First is the camera/flash link-chain (which for...
With a non-CPU lens mounted on your D3300 you will need to set the aperture ring on the lens to f/22. You will need to shoot in Manual exposure mode...