wierd noise

Hello, has anyone experienced an annoying sound coming from MP40? I just got this pump and according to Ecotech Marine, the pump needs time to break out. I'm attaching a video. Has anyone had the same issue with their new pump and how long did it take for the noise to go away completely?

I have a reef octos varios 4 return pump. It has been working without a problem for the past month and a half. But yesterday i started hearing some tapping noise, like not too loud, but noticeable tapping noise coming from that area where my return pump is. And I’m pretty certain it’s from the...