rustyspa Posted October 9, 2009 Report Share Posted October 9, 2009 Hi On my 1999 Caldera Utopia model lately when I turn on main jet pumps the circulation pump stop running and makes a humming noise. I turn off the power and open the panel and remove the hose and let some water out and replace it the pump runs again. I done this 2 times now. Any idea what could be the problem? Is there air getting in the system once I start the jets? Is the impleller the problem? thanks Quote Link to comment Share on other sites More sharing options...
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