The speed dome cannot do PTZ control but can do zoom control.
This FAQ may occur on IPC6512-Z30, IPC6522-Z30, IPC6622-Z30.
There are two following methods to solve the problem.
For the 5 inch speed dome, you need to remove the protective sticker and foam of the camera module by opening the bubble, correctly install the speed dome again and then wire up.
For IR speed dome, please remove the protective sticker and then wire up.