Hi Annette
I think the slider itself has a pause on hover:true setting in the code (I am afraid I am not great at code, so I can’t tell you how to change this – maybe someone else can do that for you.)
But … a possible short-term workaround might be to at least flag to your users that there are more pictures in the slider when it stops as they hover:
Tempera Settings > Presentation page > Slider settings > Slider arrows > Visible on hover
It won’t fix the issue, but it will give your users a clue that there are more pictures to view. Just a thought.