Spa will not start up but results in a flashing OHH error within a minute of powering up Clearwater hot tub. Water is cold. I replaced both heater sensors to no avail.
If I take the board out might I find a solder problem or is it likely to be deeper? Should I suspect the board at this point and if so, what are the alternatives? Spa is 10 years old. Balboa pack model EL2-BC2003-YCAJ. I've read some suggest replacing whole pack instead of the board but this sounds like over $600. Too much. How much should I spend? How much for a replacement board and are there cheaper suppliers? Also I read about a service that will repair my board for a couple hundred bucks. Advised?
Lots of questions here. Please answer whatever suggestions you might have. Thanks,
Greg