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Ignitor lights but burners wont stay lit

Asked Feb 24, 2008, 01:27 PM — 2 Answers
I have a GMP gas furnace, the ignitor lights, the burners light for about 15 secs. Then go out and try to re-light after about 30 secs. Ocassionly staying lit its a 50-50 chance here. What do I need to do to correct this problem?


Thanks for the help.

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hvac1000's Avatar
hvac1000 Posts: 14,538, Reputation: 2381
Heating & Air Conditioning Expert
  
#2

Feb 24, 2008, 04:29 PM


Look for the blink code on the circuit board.
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T-Top's Avatar
T-Top Posts: 1,871, Reputation: 531
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#3

Feb 24, 2008, 04:42 PM
Its a good chance you just have a dirty flame sensor. Its a small metal rod in front of the burners with one wire going to it. Turn the power off to the furnace and scrape it with a knife to get it clean. Restore power and give it a try.
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