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Furnance burner short cycles, burns for about 2 minoutes, shuts off and about one minoute re ignites.

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  • Anonymous Feb 28, 2009

    the furnance fan does not stop running!

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Same thing was happening to mine about 3 years ago. It's the flame sensor. All you have to do is clean it and your good to go. It looks like a small aluminum probe, maybe 3 inches long with only one wire going to it. The tip of the probe should be sticking into the area where the actual flame is. To clean it, take a piece of fine sand paper, and just give it a light sanding. Make sure that you don't touch the aluminum part with your fingers or use any kind of solvent on it. Any contamination on it might be enough to cause it to continue to malfunction. If this helps FixYa, please remember to rate me. Thanks.

Posted on Feb 22, 2009

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Lp furnance ignites for 3seconds then shut off.


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A common problem with a furnance is the furnance will attempt to ignite, several times, you will notice that the house is not heating properly. You will hear the furnance come on and you will assume the heat is on, and the house will continue to be cool. You wiil check the furnance and you will hear it start up and the blower will come on, however a few seconds later after you have walked away the blower will shut down and there is no heat on at this time. You will again go check the furnance and after the furnance start and go through the cycle the furnance will shut down you will notice that the furnance has indeed shut down. This is the common problem of the flame sensor, you will have to remove the flame sensor, get a small piece of fine grade sand paper, and remove all the black colored carbon from the flame sensor until is is shinning bright, replace the flame sensor and attempt to start the furnance. You will notice that apatment or house have reach the set temperture, that the furnance has went through its cycle and the furnance will ignite and stay on continueously until the house obtain the preset temperture..

on Dec 13, 2009 | Heating & Cooling

2 Answers

I have a Goodman gas furnance. The furmance kicks on the glow rod lights and then the furnance shuts down after about 60 seconds it goes through the same cycle. The burners never come on. What's wrong?


Let's trouble shoot a few possibilities:

Can you confirm that your gas pressure/ supply is correct-- by lighting all of the range top burners at the same time-- Do they all light quickly, and burn to full height, without much of any yellowing at the flame tips? That should indicate you have god gas pressure and supply.

Now-- in the Oven itself-
When you light the BROIL burner-- does it's glow ignitor light up, and does that burner light off OK?

If it is only the main oven burner that is not lighting, are you able to remove the cover plate that covers it, and watch it light off? -- Any clues on whether or not the gas valve even open?

If NO gas flow, likely you need a new Main Oven Gas Valve-- Probably need to call your Gas Appliance service person.

Let us know if this helped

Mack B

Jan 23, 2011 | Goodman GMS90703BXA Heater

1 Answer

I have a Goodman gas furnance. The furmance kicks on the glow rod lights and then the furnance shuts down after about 60 seconds it goes through the same cycle. The burners never come on. What's wrong?


Gas valve is not kicking in or gas shut offs are off. Can you check voltage where 2 wires connect to gas valve. Can you see blinking lights thru lower door window and count blinks. Code sticker should be on inside of lower door.

Jan 23, 2011 | Heating & Cooling

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I have a gas dryer that the igniter plug glows, but does not light the gas. One time when I had the front panel off the gas ignited and the dryer heated, but only burned for a minute then shut off. Now I...


with front off it will short cycle. If ignitor glows and then goes out without lighting, you have bad burner coils. The 2 black round things on burner assembly. Unplug unit then unplug coils and remove bracket with 2 screws. install coils and test.

Aug 27, 2010 | Dryers

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Goodman Dependable 92, ignitor and fan comes on for 3 seconds, furnance does not turn on. Goes through 3-4 cycles, then shuts down furnance. If it is the flame sensor, where can one buy parts?


Do the burners come on? If so then yes it probably is the flame sensor if not then there is another issue not the flame sensor. The flame sensor could just be dirty take the flame sensor out and clean it with a piece of emery cloth or lite sand paper and put it back in and this should get the burners to stay on.

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Heater short cycles burner fires up won't stay on for long fan kicks on and chamber cools down and short cycle starts over again.......ther is a solid green led indicator lit up and I can't find so far...


i take it the burner is pizo fired(electrically ignited), if so, there is a flame sence wire down by the burner that senses the flame, if it don't, it shuts everything down for a short time then tries to restart. check senser at burner or circuit board.(a little more info would've been nice)

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