JoeSpaFan Posted September 17, 2017 Report Share Posted September 17, 2017 I have an older Laguna Bay Spa and it's doing something that is driving me up the wall. It starts a heating sequence and runs for a few minutes, the stops. Almost immediately it restarts the heating again. It does this sometimes for 45 minutes or so. Sometimes it will restart after a couple minutes, sometimes almost with only a second or two. I figure somehow either the sensor for the temperature control has gone wacko or where ever the sensor is it isn't reporting correctly. Any ideas? Quote Link to comment Share on other sites More sharing options...
JoeSpaFan Posted June 4, 2018 Author Report Share Posted June 4, 2018 Ok, I lived with the spa doing this stupid constant restarting. While really annoying and is probably really hard on the pump, it started something new that I can not live with. I notice this morning that the spa was up to 108 degrees, totally unacceptable. So, any ideas on how to fix this? Quote Link to comment Share on other sites More sharing options...
Marco Pulone Posted June 4, 2018 Report Share Posted June 4, 2018 it sounds like you have either a bad board or very unlikely a bad sensor. Quote Link to comment Share on other sites More sharing options...
Karen Toepfer Posted July 2, 2018 Report Share Posted July 2, 2018 Ours is doing the same thing but it never stops. Months now. Bill is showing the results. What bad sensor are we implying it could be? Quote Link to comment Share on other sites More sharing options...
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