Spasin Trouble Posted January 31 Report Share Posted January 31 Hi everyone Caldera Utopia 2002-2009 My friend had not used his spa in many years. The circulator pump was burn out, so i plumbed in a sump pump. The temp light stopped flashing on the top control, the heater kicked in, and everything seemed ok. Months later he finally had someone swap in a new circulator pump and filter. Despite great flow and the pressure switch being closed, no heat. He has also now replaced the temp sensors and I think the trombone as well. I was there last week and checked the trombone resistance along with the temps sensors and everything seemed ok. Here's the issue: after powering up, the main board puts power to the trombone heater. The LED comes on, and the limit sensor is not tripped, and the pressure switch stays closed, but after 5 seconds, it shuts off power to the heater. Anyone have any ideas? Thanks! Quote Link to comment Share on other sites More sharing options...
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