strangefolk Posted February 1, 2021 Report Share Posted February 1, 2021 Hello, I have a caldera kauai hot tub that the temp light stays at 50 degrees and will not maintain a temp. I can reboot the hot tub and it will heat up to 104, I use a normal thermometer to check the temp, and then continues to go down until I reboot the hot tub again. the Temp light never changes from 50 degrees. everything else works fine. I can adjust temp settings on the console but it never changes from 50. the main motor was replaced not long before the temp light got stuck at 50. Any thoughts on what to test or replace would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted February 1, 2021 Report Share Posted February 1, 2021 Check circuit breakers. Check incoming voltages at circuit board main power connections. Are there any blinking lights, dashes, or error codes on the topside? Remove filter(s) until issue is resolved. Do you see a steady stream of tiny champaign bubbles from the heat return in the footwell? Post some pics of your circuit boards, wiring diagram, and equipment area. Test across heater terminals for voltage. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted February 2, 2021 Report Share Posted February 2, 2021 On 2/1/2021 at 5:02 PM, RDspaguy said: a steady stream of tiny champaign bubbles 🤣 Gold Star my friend Quote Link to comment Share on other sites More sharing options...
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