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my conquest 80 furnacemy furnace lights up find the blowers will go for about 20 seconds or so then the fan kick on and the blowers stop no flame but the fans keep going i have tried bypassing the thermostat and it still happens anyone have any idea's? |
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robbin Mod join:2000-09-21 Leander, TX |
Did you look to see if it is giving any codes? |
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i know very little(nothing) about furnaces so if it is i wouldnt know how to tell |
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alphapointeDon't Touch Me MVM join:2002-02-10 Columbia, MO |
There should be a little window on the front of the furnace through which you can see an LED. It will blink a specific number of times, and you look up the "blink code" in the book.
Educated guess is you have a FUBAR'd flame sensor. |
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TheMG Premium Member join:2007-09-04 Canada |
to tommywhat
I assume when you say "blower" you mean the inducer fan and when you say "fan" you mean the blower fan?
As alphapointe posted, check the LED error code.
Alternatively, call an HVAC tech (recommended). |
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HarryH3 Premium Member join:2005-02-21 |
to tommywhat
If you aren't seeing any flame at all then it is probably a bad ignitor. If the flame sensor was bad then you would see the flame come on for a few seconds and then go back off. |
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tp0dyabbazooie Premium Member join:2001-02-13 Bulger, PA |
tp0d
Premium Member
2013-Jan-3 11:32 pm
If you know very little about furnaces, you shouldnt be attempting to fix it.... you could easily end up with a broken furnace that needs expensive parts to fix it... pony up a few bucks and call an HVAC man..
-j |
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