Heinz. Do you ever sleep? What time is it there?
Thanks for the help. I just went over and turned the chiller back on. It was set at it's normal 78 but was reading 70 as the current temp. I left it on with the thermostat set at 75 for now. It didn't kick back on so I am hoping it is ok. I will keep checking it throughout the night to make sure it doesn't happen again.
Now that I see the thermostat wasn't changed does anybody have any ideas what may have happened? I always assumed if the chiller broke it would just break and not cool any more. I never dreamed it could over chill the tank.