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MY GOODMAN HI EFFICIENT GAS FURNACE GMH950703BXA ,MAKE A CRAKING NOISE WHEN THE BURNER LIGHT UP AND IT GET LOUDER

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Is it a cracking noise or does it sound more like metal stress (expansion & contraction)? If it's metal expansion, there may be a loose duct connection or strapping. If it's not metal expansion and contraction, check the burners for cracks, due to humidity dripping on them. If that's the case, obviously, they will need to be replaced. But, the question then is, where is the over production of humidity coming from. Is the Condensator pump not working properly or is the drain clogged up?
These are the thinkgs you need to check first.

Hope this helped you troubleshoot the problem.

Posted on Apr 07, 2011

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Furnace will not light,on Goodman Furnace model#GME80704BX


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My goodman furnace 80703 fan comes on ignitor glows burner starts , cuts off in 10 secs,furnace starts cycle again. home no heat


I am not a furnace tech but, there are several inputs to a gas valve. There must be an 1) electrical/mechanical indication that there is a draft fan running (to move potentially explosive gas so it doesn't accumulate), 2) adequate gas pressure to the valve, 3) the thermostat must be calling for heat 4) and electrical indication that there is an ignition source. In your scenario, you have the source of ignition, the gas valve is picking up the burner but the gas valve believes there is something missing so it shuts off the gas to the burner. In this case, I suppose you might not have enough gas pressure (is another gas appliance running or is the line to the furnace too small?), a thermocouple probably isn't the problem since the burner wouldn't pick up if the gas valve didn't believe the ignition source wasn't good enough. You could have a plugged chimney or exhaust pipe if it is direct vented since there is also a pressure switch that detects whether there is enough draft once the burner picks up. Really should call a furnace person especially if you don't have a carbon monoxide detector that you trust. If you think you are capable of continuing, you could jumper the various inputs the the gas valve one by one until the burner picks up and stays picked up. Whichever terminals you jumper that accomplish this, is the culprit. Look at the schematic on the side cover to the furnace for this information. Hope this helps...

Oct 01, 2011 | Goodman GMS90703BXA Heater

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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

Goodman furnace seems to be cycling too often. Burner not staying on long enough to put warm air into system. Burner quits after a few seconds then repeats.


dIf the burners are only staying on for about 5 seconds, you proably hav e a dirty flame sensor. Watch the burners light, the glow plug will light one end of the burners, in front of the last burner to light the will be a small thin rod, this rod must sense the flame or the gas will be shut down. Take a piece of steel wool and gently cleqan the rod.

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1 Answer

Goodman Propane heater 2yrs old Sound like a flame thrower


The sound you are hearing is gas burning in the throat of the burner. It is usually an indication of a air/gas mixture. Have your gas company investigate the gas pressure. This would explain slightly higher usage because the furnace is not putting out all of its heat.

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