11-29-2018, 05:45 AM
quote:
Originally posted by leilanidude
I am now thinking I have a bad temp sensor since the pump is running all the time. What it is doing is causing my hot water to flow back up into the panels at night, effectively cooling the water back down.
Unplug the controller and open up the door at the bottom and remove the wires hooked up to terminals 3 and 4 and then plug the controller back in.If the pump doesn't run the thermistor on the panel is bad or the wire is shorted.