I have a 1999 Morgan Dayton spa that I just rebuilt. When I got it from my parents he told me the blower was not working. While rebuilding the frame I took the spa pack out and took the blower off. Plugged a pigtail into the connector and plugged it into the wall outlet. Worked great. When I was done rebuilding I filled up the tub just to check for leaks. For the fun of it I hooked the pigtail back up and had the blower running for about 5 minutes. But now that I have my #4 wire run as 220V when I hit the blower button blower will run for about a second then trips the breaker. The spa pack was replaced 3 to 4 years ago from spaguts.com. Is it the blower going bad or the GFCI going bad? Or the control board? Is there anyway to test this problem.