That doesn't sound or look good. I see no movement of flow which tells me you should stop the pump immediately and inspect to see what is going on. A image of the pump housing and the impeller would be helpful for us to investigate.
It also could be a very stubborn air pocket. Try tapping at the pump and setting it a much lower speed if its the vario.
Do you have a picture of the impeller not sitting properly? One of the picture the center of the housing looks off center, but it could be the angle of the pic.
That doesn't sound good though.... is it within warranty?
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