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Hi Mary,


I replaced the pressure switch and the filters. The spa works right after I turn the breaker on but after a cycle it goes back to the "FL" mode. Any ideas? Thanks..........Doug

Thanks Mary, I already tried removing both filters so I am going to try replacing the switch...........Doug

I have a 2004 cal spa with the FL code showing and it will not operate. Will replacing the Tecmark 4037P switch fix it. If so, how do you replace the switch? Does the tub have to be empty? Do you...