Savage Husker
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Anyone know anything about a Lennox furnace with diagnostic light 1 flashing slow and 2 on? Almost got it back running but it tripped again and shut down. Something about the primary and secondary limits...
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I don't know squat about your specific unit but it has been my experience that when the furnace quits running it is almost always a bad thermocouple or temp sensor or purge sensor. I mention this because, if you're inclined to fix it yourself, you could buy all of those things for less money than a service call. Usually pretty simple to swap them out.
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