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Question About York Furnace None
furnace won't fire...

Thermostat is OK. Can't get furnace to fire, even when connecting wires directly. What is broken? Thanks

Asked by Scott on 04/17/2009 4  Answers

ManualsOnline posted an answer 15 years, 6 months ago

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steven posted an answer 15 years, 5 months ago

0 Hmm...not a lot of info in this post. How long have you owned the furnace? When did it stop working? Did you hear it turn on a previous time and then it suddenly stopped working? I know on my furnace there is a light switch mounted near the furnace that provides power to the furnace. You very well could have a switch somewhere near the furnace that accidentally got knocked to the off position and didn't realize it (maybe a kid did it or something). Try to follow the power going to the furnace (trace it from the furnace back) and find out where this switch is. Of course another option is a breaker in your breaker box tripped. Check both of those things and let me know if you find anything.
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Scott posted an answer 15 years, 5 months ago

0 Thanks for you help! Furnace is 19years old. It is getting power- my elect air cleaner is tied into it and its light shows "power on". Also, I can manually turn the furnace fan on from the thermostat. I can't get the furnace to respond even when manually connecting (twisting) the red/white wires together. I'm next going to check to see if there is a break in the wire somewhere on its way to the basement. Your ideas very welcome. Thanks!
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steven posted an answer 15 years, 5 months ago

0 I'm kind of wondering if maybe your ignitor might be at issue. I'm assuming you have an ignitor that glows orange and then the gas jets shoot over it to ignite. If the ignitor is "open" (bad) then you'll have the issue you are speaking of. It also could be a possible fuse link in the circuit board but I would highly doubt it. Fuse links can be difficult to locate without a schematic as they can look kind of like a resistor or some other component if you don't know what you're looking at. My guess would be the ignitor which if you buy it and put it in yourself...I would imagine you may be talking maybe $50. Did this occur after any power outage or anything? If there is a brown out or even a short power outage it can blow stuff in a circuit board which you hope is protected by some sort of fuse link. Again, just throwing stuff out as I'm not sure of all the surrounding circumstances as to what occurred shortly before the furnace went out.
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steven posted an answer 15 years, 5 months ago

0 Forget the fuse idea...being that you're fan is working we're not looking at a fuse link.
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