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New Lennox Elite Series Furnace not working
It starts on the first stage (diagnostic code shows both blinking normal), when it starts the second stage/cycle - heat (diagnostic code indicates left is off, but the right side blinks normally). The four possible issues states a) Pressure switch open; b) blocked inlet/exhaust vent; c) Condensate line blocked or d) pressure switch closed prior to activation of combustion air inducer.
Please provide any assistance to help me fix my furnace without hiring an expert.
Thank you
Tracy
1 Answer
Rockcrusher
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