Question about Goodman GDS80904BNA Open Flame Heater

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Open rollout - Goodman GDS80904BNA Open Flame Heater

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  • djrickes420 Nov 17, 2009

    yes just replaced the ingniter and still show me an open rollout can u assist me i would really appreciate it thanks

  • djrickes420 Nov 17, 2009

    flashes #6

  • Robert Horton
    Robert Horton May 11, 2010

    Can you give me more information? Are you saying you have a heater down due to an open roll out switch?

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If your roll out is open it is due to it over heating. Your burners when they are lit are rolling back and opened your roll out. You need to check your exhaust venting to see if is clear(no restrictions). Also, your heat exchanger could be cracked enough that when your indoor fan comes on it puts enough positive pressure on your exhaust that it won't exhaust correctly. One way to check for a cracked heat exchanger is to watch the burner flames when they are lit and see if they move(flutter) or come back toward you when the blower fan starts to operate.I hope I was able to help you!!

Posted on Nov 18, 2009

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Hi, I just wanted you to know if you are still having a flame roll out condition, yes the other tech was right by checking for a cracked heat exchanger, or obstruction in the flue. I have seen and found birds nests in the flue on the roof. Also, rusted up burners, plugged burners will cause this. If you have a roll out error, this tells me this furnace is a newer model? The switch will be located at either side near the burners and can be reset after this condition is found. If all appears good, I have seen a gust of wind come through and open the contacts on this roll-out switch. Just food for thought.
Sincerely, Shastalaker7

Posted on Dec 17, 2009

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You need to find the rollout switch and see if it has a manual reset button on it or not. There are 3 styles of rollout controls. One is a disc type that mounts behind the burner ends, there may be more that one,possibly one on each side of the burner tray. This style rollout is usually manual resetting. It most likely will be black or silver in color and usually is about the size of a penny in diameter and about 1/2" in thickness with 2 wires going into it and a red push type button in the middle. The next style is similar two the first as it is manual resetting also, but this rollout uses a small copper capillary tube that runs just behind the burner ends and is mounted to the burner tray. If you follow this tube it will lead you to the manual reset button which is most likely mounted below the burner tray. The last style rollout is what they call a fuseable link, this is mounted behind a burner end and looks like a resister used in electronics, it is about 3/4" long and about 3/16" in length and is silver in color. It is mounted in a porcelain mount. This style is not resettable it has to be replaced with one of the same temperature rating. You would need to go to a Carrier/Bryant dealer to get the right one. Either take it with you or bring the model and serial number of your furnace.
The most important thing about rollouts is that there is a reason it opened up(went faulty). The reason they trip or open up is due to the burner flames are rolling back out of the burner box and getting the rollouts hot enough to trip or open up. This is telling you there is a serious issue with your furnace that needs to be found and repaired. There are a couple of things that is causing this. They are that your exhaust is not venting properly. Your exhaust venting could be restricted with whatever. You need to pull your venting off and look for restrictions all the way from your heater to the end of the chimney. The next thing it could be is that your heat exchanger is cracked enough to allow positve air pressure on the exhaust system when the indoor blower fan is running. You can check this out yourself by watching the burner flames when the indoor fan comes on. If the heat exchanger is cracked enough the burner flames will flutter or move back toward you when the indoor fan comes on causing the rollout to trip or open up. Most manufacturers have a 20 year warranty on the heat exchanger(parts only,you pay the labor cost). Depending on the age and condition of your furnace it may not pay to have the heat exchanger replaced.
I hope I was able to steer you in the right direction!! Good luck!!

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