Gas furnace keeps stopping then relighting - http://www.hvacmechanic.com/ Forums
Original message
| kr6655
 |  "Gas furnace keeps stopping then relighting"
, posted Sat 12 Apr 13:54:  
I have an Ultra 80 SX gas furnace. All start-up is fine -- pilot glows properly, gas burners light no problem, fan comes on after approx 30 SECONDS (mistyped as '30 min' earlier) and blows hot air through house. However, as it runs, the fire occasionally goes out - when this happens, the pilot relights within about 1 second and then the burners catch again, but often with a bit of a "pop," as though there's a bit more gas in there. Sometimes, this only happens once, sometimes it happens several (5 or 6) times in quick succession. It is sometimes when the house temp is approaching the thermostat setting, but sometimes even when it's a few degrees below. Not sure if this could matter, but I did just recently changed the filter, which was definitely overdue (stupid). Any suggestions?
[this message was edited by kr6655 on Mon 14 Apr 10:47] |
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| theduke03
| "Re(1):Gas furnace keeps stopping then relight" , posted Sat 12 Apr 14:10
I would recommend calling a pro and soon.
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