Jasonitus Posted July 7, 2023 Report Share Posted July 7, 2023 Hello all! Looking for some help solving a Heater too Hot error message on a 2016 Tidalfit EP-14 with a Balboa Heater pack. Flow appears to be optimal. - Tested with and without filters. Similar results. - Drained tub, vacuumed lines, flow seams good. Pipes are clean as a whistle.. - A/B sensors both read the same ohms. I enabled the topside control to display A/B sensor temps, they appear to be working when the circ pump is running and both reading the same temp when the circ pump turns off. - I replaced the circulation pump with a new Chinese knockoff. It is working correctly. I replaced the old one because the pump sounded louder than usual and upon inspection the wet end impeller wasnt spinning freely as it should. - Filter cycles are down to 1.5hrs twice a day. This has been an intermittent issue but upon refilling the tub. The tub heated from 56 degrees to 103 (setting was 101) before I got this message with the new circ pump. Now it seems to trigger this error once or twice per day. * Is it possible that the heater relays are sticking? If so, why would one sensor read different than the other if there is no flow? * Could the circ pump be shutting off prematurely/ relative to the heater? * Is it possible to have an intermittent sensor failure? Upon the last "Heater too hot" error, 1 sensor read 113 degrees and the other 103. I did replace the topside control (like for like) but this was a less frequent issue before replacing that. The frequency of this error has steadily increased over the past 6 months. Thanks in advance!!! Quote Link to comment Share on other sites More sharing options...
Jasonitus Posted July 7, 2023 Author Report Share Posted July 7, 2023 Update. The hot tub is set to 100 and the water is at 100 degrees. Yet there is a heater too hot error. Upon resetting the tub via the topside control. The circ pump turned on, the A/B heater temps were within 1 to 2 degrees of each other for roughly 1 minute before the circ pump turned off. When the pump turned off, the temperature continued to rise (only on the A sensor) until the "heater too hot" error kicked on. I suspect this means that the heater is remaining on despite the pump being off. Thoughts? Could this be a programming issue? Thanks, J Quote Link to comment Share on other sites More sharing options...
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