replying to Steve Turner, YosemiteDave wrote:
Check the contactor in the outside unit. These short out on the 24 volt side
and taking out the transformer.
But if the fan board on a XB80, the fuse should have blown if that was it.
But older ones did not have a fuse, I think.
If the fuse didn't blow, I'd say ya just got another bad transformer.


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