80mfg furnace trouble - http://www.hvacmechanic.com/ Forums
Original message
| chuckf
 |  "80mfg furnace trouble"
, posted Fri 18 Feb 00:19  
I also have a 80mgf furnace. The burners are not igniting. My diagnostic codes tell me the primary or secondary limits are open. What does this mean? Is this a common problem on these models?
Chuck
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Replies:
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| Xenos
Webmaster 
| "Re(1):80mfg furnace trouble" , posted Fri 18 Feb 17:24
An open limit means the furnace has overheated. Yes it's common and the most common cause is from dirty filters.
Xenos.
The best way to escape a problem is to solve it.
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