Thank you for your reply. I broke down and called a repairman yesterday. Turns out that is precisely what the problem was, the dip switch positions. Luckily we had our old box on hand so he could compare the two and it was an easy fix. I'm so glad it's finally fixed! Thank you.
Please help. I have a spa crest hot tub. We have recently replaced the circ pump, and entire balboa box with circuit board and heating element etc. Circ pump is 24 hour continuous but kicks off when jets 1 is turned on causing dry and overheat error codes. The circ pump will continue to run simultaneously with jets 2. Im at the end of my troubleshooting skills. Any advice will be much appreciated!