BlueROV2 camera loosing video (black screen) during tilting

Blue Robotics Products Cameras
3

Hello, I have similar problem like Jørgen. When I tilt camera up/down, it loose signal. “waiting for video”. Camera can still tilt when its gone. It comes back in a few seconds. I run Qgc v4.0.5, companion 0.0.31 and ardusub 4.1.2. Thanks