Don R Posted July 20 Report Share Posted July 20 Hi I have a 2002 Sundance Optima. Was getting a blinking from error (flo temp) back and forth. Finally figured out it was the circ pump. Replaced the Circ pump worked fine for a day. Now I am getting a solid FLO error. Nothing works with the solid flo error. If I reset the breaker it goes away but eventually comes back. I also recently replaced the Flo switch and cleaned the filter. Not sure what the solid flo error means? Thanks for any help Quote Link to comment Share on other sites More sharing options...
Don R Posted July 21 Author Report Share Posted July 21 Update. I realized when I'm getting the flow warning the circ pump is still running. Came back from a bike ride today and everything was working normally. I know that I will get the solid flo warning again. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted July 21 Report Share Posted July 21 Remove the filter and run without and see if it comes back. Dirty filters even older ones just cleaned can be flow killers. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted July 23 Report Share Posted July 23 Solid flo means the switch is closed when it should be open. Almost always a bad flow switch. 1 Quote Link to comment Share on other sites More sharing options...
Don R Posted July 23 Author Report Share Posted July 23 Put in new flo switch before the circ pump. Can try putting back old switch. Wondering if it could be flo switch connection it uses micro pins. Does anyone know what the resistance should be for the flow switch? Quote Link to comment Share on other sites More sharing options...
cranbiz Posted July 25 Report Share Posted July 25 Most flow switches read 0 ohms when closed and infinite ohms when open. Quote Link to comment Share on other sites More sharing options...
Don R Posted July 27 Author Report Share Posted July 27 Tried the suggestions above. I replaced the flo switch same result. Took out the filter and let tub run still had flo error. Any more suggestions would be welcome. It runs for a little bit when I turn off and restore power and then I get a sold flo error not flashing. Circ pump is running but nothing else works. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted July 31 Report Share Posted July 31 Sometimes that switch can be screwed in too far and contact the bottom of the pipe, caising it to stick closed or open. The fact that it runs for a little while then catches an error suggests a board issue. Post pics of the circuit board and a close up of the e-prom (black rectangle with a white sticker about pinky sized). 1 Quote Link to comment Share on other sites More sharing options...
Don R Posted August 3 Author Report Share Posted August 3 Broke down and had a service call. He said the circ pump was running all the time. He rerouted the white wire and everything is working fine now. Thanks for all the responsed. Quote Link to comment Share on other sites More sharing options...
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