Everett2008 Posted January 3, 2010 Report Share Posted January 3, 2010 Recently I made a post about the "FLO" error message on my 1997 Cal Spas Premier Series 3. The following suggestion was made by ps558: A solid FLO means that after the tub is done heating and the pump shuts off the pressure switch does not open. Making the controls giving the error. They can stick and malfunction. The fact that sometimes the spa works fine is nothing new to a pressure switch that operates some of the times. They are a cheap piece try replacing it. A bad pressure switch can make spa controls do some wierd stuff. The worst case is something failed on the pc board. So my questions: Where is the switch? Is there more than one? If more than one, how do I recognize the bad one? Is it a specialized part, or are they the same on most spas? Can I do it myself? Where can I find one? Thanks for the help! Quote Link to comment Share on other sites More sharing options...
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