Hello all, my heater, which is 10 years old, has been giving me problems. The spa switch has not been working,neverless, I have been using the pool switch to heat my spa. Well the stat was off last week after I opened up the pool. Now, I have only the power light on,no other lights(therm,aux,press,heat). I was thinking this could be a thermostat circuit board operation problem(which then means expensive circuit board replacement). I've had mice make nests,which i've cleaned up and heat shrinked some wires,that they chewed. After that, everything worked fine, until yesterday.