It is one of the coldest nights of the season 01/15/04 and my Lennox G23 is giving me greif. It is shutting down before it bings the house up to temp. and it does not want to come back on without me turning off the power and then back on. The indicator lights are showing; primary or secondary limit switch open. What does this mean, and how do I fix it? Any help will be appreciated!
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