sebastianv Posted May 21, 2020 Report Share Posted May 21, 2020 Hi, I experience a blinking light and hoping to get some help troubleshooting: Hot Springs Grandee G 1995. After some time I get a blinking red light, and the Main Jets and the Light won’t work anymore until I turn off/on power again. However, when the light is blinking, I still see bubbles which would mean the circulation pump still runs, right ? I tried to run without filters and also installed new filters, with the same result, after a while (1-2 hours, the red light starts blinking) Also ran with Heater dial turned all down, same results. Is this indicative of a bad circulation pump? ( despited still seeing bubbles produced? ) Thank you, Sebastian Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted May 21, 2020 Report Share Posted May 21, 2020 The bubbles should be shooting out of the heat return in a stresm, not rising straight up, and should be tiny. It could be a faulty thermistor (sensor) as well. Quote Link to comment Share on other sites More sharing options...
sebastianv Posted May 21, 2020 Author Report Share Posted May 21, 2020 So the bubbles are relatively big and quite strong, and not like tiny. could those just come from the Ozone generator? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted May 21, 2020 Report Share Posted May 21, 2020 They do come from the ozonator, but are pulled into the plumbing by a venturi and should shoot straight out of the return before curving up to the surface. Large bubbles going straight up from the return means low flow. Quote Link to comment Share on other sites More sharing options...
sebastianv Posted June 18, 2020 Author Report Share Posted June 18, 2020 Just to close this off. The problem just went away. Heat/pumps stay on. perhaps just unplugging/replugging the thermistor wires helped ? Thanks again for assistance. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted June 18, 2020 Report Share Posted June 18, 2020 It may have been a loose connection. Hope it keeps going for you. Thanks for the update. Quote Link to comment Share on other sites More sharing options...
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