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Dacuer 10-18-2011 05:27 PM

Carrier code 31, post duct cleaning.
What a terriffic website!

Tried searching for help, but thought maybe my case was a little different. My carrier furnace is yeilding a LED code 31 after multiple turnoffs and turnons. Tried fuse switching and had some duct cleaners out who cleaned out a lot of stuff (recently flipped house). Fan works, AC works, but flames wont ignite. Im not a proffessional, nor do I remember the cleaning crew going on my roof (though the exhaust and intake might be on the side of the house under the porch). Should I look into calling a professional, ie for a new pressure switch, look at the filter, or take a whack at the exhausts and intakes on the roof or under the porch (behind some cheap wood grating)?

Thanks, and again what a great community!

JJboy 10-18-2011 05:35 PM

Try this post.

Dacuer 10-18-2011 05:44 PM

thanks! my tech skills are not great, but as far as compilling a list of suspects, I'm on my way!

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