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fan runs but no heat?

Posted: Thu Oct 18, 2007 8:22 am
by princeatude
Hi, my evcon furnace dgato95adc worked just fine last winter and now I am having some issues. The furnace kicks on as soon as the thermostat tells it to but it runs FOREVER(30min!) before any heat blows. When it finallydoes blow heat it does it for maybe 2 minutes, but is still 5 degrees under what the thermostat is set at. Most of the time it will keep running then 30 min later repeat. It just seems that the furnace was more effective last winter and kept running till the temp was reached. Any suggestions would be great cause we are freezing!!

RE: fan runs but no heat?

Posted: Thu Oct 18, 2007 6:30 pm
by Robert
Hi,

Check the gas valve to burner orifice for possible blockage by spider/web.


Observe the flame when burner ignites, is it a strong blue flame ?



Thanks,
Robert