It "moves" face down from what position?
You most likely have preconfigured the tilt of camera via the right paddle auto. adjustments.
while In orbit mode, try adjusting position of camera via the left front paddle.
If after tilt adjustment, it stays at the set position, then you have preconfigured your auto. tilt position via the right paddle control.
No Problem, you can re adjust this to default.
Please search & find the many different features the right paddle has to offer.
Here is a link with some info, Right paddle