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Furnace not igniting (Comfortmaker RPJ II - electronic igniter)
QUESTION:I have a Comfortmaker RPJ II gas furnace with an electronic igniter (no
standing pilot light). The furnace and the fan come on when signaled by
the thermostat but the furnace does not light. No flames come out of
the burners. I've tested this with two different thermostats thinking
our old thermostat was not turning on the furnace. But you can hear it
come on. Any ideas what else would keep the burners from lighting/ not
igniting? or what the problem may be? There is no smell of gas.
ANSWER: The model # of the furnace is GNJ050N12D1.
I don't hear the zap, click sound which used to come before the sound
of flames.
A previous post mentioned a trouble code? Where can I check that?
I don't think it's the thermostat. I replaced my old one thinking that
was the problem. But with the new thermostat the exact same thing
happens: the furnace and fan come on, but the furnace doesn't ignite.
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