Thanks I will pass on the info to my friend and see what they find.
As an aside, my understanding of a thermisor is that the resistance decreases as the temperature of it increases. If the thermistor was bad (either open or shorted), it would tell the unit to either never cool (open) or to always cool (freeze) if shorted.
Our results are somewhere in the middle as once the unit starts, it cools sufficiently until (the thermistor reaches a certain resistance) and then shuts off the cooling. It's on the next RESTART that the unit errors out.
You folks have way more experience at this than I do, but it seems that would tell me that the thermistor is doing it's job. It successfully tells the unit when to stop cooling (we know this because the unit gets warmer inside), and we know it gets warm enough to send a "start cooling" signal, because it tries to start and we get the "n".
One thing I should add is, when the unit is first turned on, I can feel/hear a click in the power board. It is NOT the gas valve, and the igniter does not fire.
It is only after a power board reset, that I hear the same board click as above, but I also hear the gas solenoid open, then I hear the igniter, and the unit starts.
Tnx
