Ask Experts Questions for FREE Help !
Ask
    dwparso's Avatar
    dwparso Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Dec 30, 2012, 09:48 PM
    What can cause a burner on a furnace to not stay lit
    Burners come on but does not stay lit. Have cleaned the furnace and vents. Works fine sometimes. Has an electronic ignitor.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Dec 31, 2012, 04:37 PM
    A dirty flame sensor will cause this. Remove and clean the flame sensor with steel wool or sand cloth. Reinstall and see if things don't improve. The flame sensor should be located at the opposite side of the burners than the spark igniter.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Any other reason for why furnace burner won't stay lit? [ 2 Answers ]

Model: GMP125-4 Problem: The burner won't stay lit, only light for a 10 second, then gone. I've already replaced flame sensor and control limit, the circuit board was replaced in last year.Any other suggestion? Thanks a million.

Burner does not stay lit.. [ 0 Answers ]

Flames go out after a few minutes, then restarts right away... the more it runs the shorter the cycle... starts normally, fan comes on normally...

Furnace won't stay lit.pilot light is on but burners will ignite but don't stay lit [ 1 Answers ]

Nordyne m1mb furnace burner ignites, will not stay lit cylces 4 times then lockout [ 1 Answers ]

My nordyne m1mb furnace burner ignites, howerver will not stay lit - it cycles through about 4 times, then locks itself out - the pressure switch appears to be okay and the thermocouple was replace two months ago

Furnace burner won't stay lit [ 2 Answers ]

I have an older model Night & Day model c100u series 510 gas furnace. The burner won't stay lit when the thermostat kicks on. I replaced the thermocouple but the burner still lights then immediately goes out. Any help?

View more questions Search