Quote:
Originally Posted by 16ACE27
Your symptoms are classic wet circuit board symptoms that go away after the circuit board dries out. This has been a common problem with Atwood furnaces
before they relocated the control board si it doesn't get wet.
It is not the sail switch since it does try to light: a faulty sail switch would prevent that.
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We did have rainy weather, but I didn't check the furnace compartment for moisture.