bobert78 Posted June 26, 2018 Report Share Posted June 26, 2018 I have had a Caldera Vanto spa for about 2 years now and recently got an error on the control panel. It displays "====" on it and the power and ready words blink. I looked online and seems like it could be a safety thing for the heater because if there is air lock or low flow past the heater. Last night it was getting dark but i tried to break the seal at the pump unions to let any trapped air out but that didn't seem to help. I put the side back on until i get home from work today but was hoping for any other suggestions. Quote Link to comment Share on other sites More sharing options...
bobert78 Posted June 27, 2018 Author Report Share Posted June 27, 2018 does anyone have any other ideas for that error? it says + ==== I am getting frustrated as i thought it may have just been air lock since i had just filled it, but now after reading online i wonder if it may be something like the heater pressure switch. Anyone know about troubleshooting that? Thanks for any help Quote Link to comment Share on other sites More sharing options...
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