abcbobby Posted July 4, 2017 Report Share Posted July 4, 2017 Hello, I am hoping someone can help me with this problem, My spa will not heat anymore past 86 degrees unless its hot outside. everytime I run the spa heater it also turns on the pool filter pump and the jacuzzi water spills into the pool. It used to be able to run the spa heater alone and the pool heater alone but now its stuck doing both at the same time. everytime I try to turn off the filter pump while running the spa heater, I get this message: "pump will remain on while spa is on" then if I shut off the spa heater it shuts off the filter pump after a cool down?? I am new to this so I am not sure how to navigate the controls. I have a Jandy Aqualink RS12 system and If anyone can help me figure this out, I would be grateful. Thanks so much and please let me know if you need more information. Bobby Quote Link to comment Share on other sites More sharing options...
poolboi2020 Posted June 11, 2020 Report Share Posted June 11, 2020 hi there I am having the same issue, where the heated spa water spills over the negative edge into the pool, and so the spa doesn't get hot because it's constantly heating new water from the pool filter pump. Were you able to figure out a resolution? Thanks Frankie Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted June 11, 2020 Report Share Posted June 11, 2020 Sounds like a valve issue. Post a pic of your equipment. Quote Link to comment Share on other sites More sharing options...
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