So ive recently set up this hob skimmer and the pump is making this loud chattering noise. If i shut the air valve, the noise goes silent. When i first set it up it didnt do it. The next mornin it was makin this noise. Ive takin the impeller out to make sure there wasnt any obstructions. Disconnect the air lines and blew them out,....nothing. please help, this is my first skimmer (Berlin X2 Turbo). Its brand new. Attached a vid, maybe you can hear it. Can someone please inbed this video directly to the post. Thanks
http://www.youtube.com/watch?v=LUzoGMOYLNM
http://www.youtube.com/watch?v=LUzoGMOYLNM