duncx

That's basically what I'm trying to do. Looking for advice on what to check and where to decide if it is the pump that needs replacing.

Hi there, I just bought a used Arctic Spa Frontier model and pump 1 only works on high speed, I knew that when I bought it. What can I do to fault find before dropping $500 on a new motor? How is the speed controlled from low to high speed? I do have quite a background in electrical fault finding. Cheers.