I just got my hands on an old Hot Spot Hot tub (2000) that is not working. The control panel does not seem to function. I checked stuff out and found the pump works OK and I have current to the cable terminals for the control panel, 2.1 volts AC. I can hear a relay click on the circuit board when I plug in the power cord. I think the control panel is shot. Anyone have experience with this type of problem and or can tell me where I can find a replacement?