I have a pentaIr VS pump. I fill the pump up with water from my hose, close it, and get it going. I can’t draw ANY water into the pump. I tried filling the lines with my hose a bunch of time again. Every skimmer line and main just take all the water like it’s going into the pool? Shouldn’t it eventually fill? I dont know what the problem is at all. I’ve never had this issue. I checked all the connections etc. where is the water going? Are all three lines blown from freezing over winter?