senormano Posted September 2, 2014 Report Share Posted September 2, 2014 Acquired a Jacuzzi Santina hot tub when I purchased a home about a year ago. Just started getting an overheat (OH) error; unit had been working properly before (so far as I know). It has been hot outside lately (around 90 or so), but I am surprised that this is happening all of a sudden. The water is definitely hotter than it's ever been before, and it's set low (around 95). Pump and heater were supposedly replaced about 2 years ago. I tried swapping the filter, but waterflow seemed fine (the "Water Rainbow" and jets seem to have usual power). Issue persisted with a clean filter. Is there any troubleshooting to do on this? The control panel is simple -- a red LED display, a temperature button (up/down), a pump button (hi/low), and the light. Quote Link to comment Share on other sites More sharing options...
eaquacare Posted September 2, 2014 Report Share Posted September 2, 2014 There could be couple of possibilities here 1. Control switch is not responding - you may have to reset the heater after the water has cooled down 2. Flow switch on the heater is not operating - You may have to check the flow switch and plug in connection on the system control module 3. Heater or the heater relay not operating / Malfunction - better off calling a tech or dealer to help you through this Good luck. Quote Link to comment Share on other sites More sharing options...
senormano Posted September 2, 2014 Author Report Share Posted September 2, 2014 Thank you. Quote Link to comment Share on other sites More sharing options...
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