Question about Hot Spring Spas Iq 2020 Circuit/motherboard - 77087

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HOT SPRINGS IQ SPA shutting off sporatically

I have a Hot Springs IQ (2000) spa. The circ pump and heater don't work consistently. There are two circuit breakers connected -- one a 30 amp which controls the main controls for jets, setting temp, lights, etc., and a 20 amp that I think controls the circ pump. For some reason the 30 amp keeps shutting off, although the circuit breaker switch is not tripped. However, when I switch the 30 amp and the 20 off, and switch back on with 30 amp first and then 20 amp, it works for a while. According to the technician, which seems to make sense to me, the circ pump and heater are fine. Likewise the other functions -- when they have power. So it seems to be one of a couple of possible things: (a) something is shutting off the power on the higher amp power feed (30 amp -- which controls the jets, etc.), but I'm not finding what that problem is, or (b) the circuit board has a problem where it works temporarily -- anywhere from a minute or two up to an hour or two. I've had a couple of technicians -- the first said it was was the circ pump that was bad and not getting enough flow. But the second, who was prepared to replace the circ pump, said that was fine, along with the heater. But when the 30 amp shut down after he left, he came back and didn't know what the problem was. He called someone else (a friend) who just guessed, that it was the black circuit box -- part number 71485, Watkins IQ2000. However, due to the expense and uncertainty if this is actually the problem, I'd like to find out if there is a way to be more certain before spending close to $1000 to "try" the whole panel replacement to see if that's the problem. The confusing thing for me, which I don't understand, is why / how I can lose power on that 30 amp power supply, but yet it doesn't trip anything. I'm think perhaps the GFI on that breaker switch might be going bad. But typically with a GFI breaker problem, wouldn't I need to push the white reset switch to re-engage the GFI function? As is, all I do to make it work again is simply turn off the main breaker switch on the 30 amp, and also on the 20 amp, switch back on the 30 amp breaker switch and then switch back on the 20 amp breaker switch, and things work again. Sorry if I sound stupid -- maybe I am. :-) I'm not a pro and while I have some basic understanding, I'm lost and would appreciate any help. THANK YOU!

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  • 15 Answers

Could be as simple as turning off "Summer Mode" that should only be used in very hot climates.
Hold both temp buttons (+ -) in until icon on display is gone.

Posted on Feb 22, 2015

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