I have a trane xl80 model tud080k93640 furnace, the circuit board is going out is it easy for me to fix? How much does on cost typicly? Can I do the work on it?

Yes if you have the part and ability
Cost depends on where you buy it
I don`t know,

Now,how do you know its going out?

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Originally Posted by wmproop

yes if you have the part and ability
cost depends on where you buy it
I don`t know,,

now,how do you know its going out?

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While you're at it define "going out". Did it grab it's keys and wallet and say "See ya later. I'm stepping out to the pub for a pint". :D

:),:)

Well a guy on here sugested it was going out. Here is my problem. At the moment the furnace is working great no problems for 2 days now. But before this, I turned the heat up to 66 it was at 62 and I could hear the burner kick on but no fan to blow the hot air, I went down stairs and the red light blinking 4 times said thermal protection device open. I turned off the furnace at the furnace and up stairs at the thermostat. And I then turned the thermostat to fan on. The fan ran great for 20 or so min then I decided to turn the furnace back to heat and it kicked on. So a guy said on hear its definitely the circuit board going out. Don't know if that's true but that is the best answer so far. I would love it if someone could exsplain it to me.