stevePDX Posted April 20, 2020 Report Share Posted April 20, 2020 Greetings All. Our ten-year-old Cal Spa has been randomly resetting itself for the past few years. It’s almost like there is a power interruption and it goes into the startup process as if it was just turned on. It happens randomly – sometimes it will reset after 2 or 3 days and sometimes in a few hours. I can always tell when it resets since the default temp on startup is 100 deg. We’ve lived with this for a few years now and just dealt with it (turning up the temp to 104 when we know we are going to go into the tub later). The spa uses a Balboa board (PN VS500z). I’ve always thought that maybe the board had a hairline fracture and was the cause. However, I replaced the board last weekend and I still get the random resets. Ugh. Any ideas from the experts would be greatly appreciated. Maybe it’s a panel fuse problem?? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 20, 2020 Report Share Posted April 20, 2020 Breaker. Quote Link to comment Share on other sites More sharing options...
CanadianSpaTech Posted April 20, 2020 Report Share Posted April 20, 2020 Without tripping it? Is it wired 120V or 240V? Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 21, 2020 Report Share Posted April 21, 2020 Yep. Without tripping it. New board, which means new transformer too. Exact same reset glitch? Power interruption. Breaker. Maybe even a loose wire. Seen it a few times. Sorry you bought the board first. Quote Link to comment Share on other sites More sharing options...
stevePDX Posted April 21, 2020 Author Report Share Posted April 21, 2020 Thanks for the responses. It’s a 240v system. I did check out the breaker in the Fuse box - it’s a 40a 2-pole with a built in GFI tester. I tested the GFI and it didn’t pop the fuse like I was expecting. I’m going to call my electrician to come out and inspect it. Those fuses are not cheap. Ughhh! Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted April 21, 2020 Report Share Posted April 21, 2020 They are cheaper if purchased as a complete disconnect at home depot or lowes. Just make sure if it is a homeline or squareD. Not all breakers are interchangeable. If the test button does not trip the gfci, it is bad. Quote Link to comment Share on other sites More sharing options...
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