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The roll out switch inside burners chamber opens when heat is running

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If the rollout switch is tripping that usually means that the venting is either not working or is insufficient to get the combustion gases away properly. Check the venting out and also the fire. If this is a gas burning appliance the gas valve could be dumping too much gas in and making too hot of a fire. This is a safety device and should never be disabled for any reason. Find out what is causing it to trip.

Posted on Nov 15, 2009


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Got goodman gms91155dxa got 6 flashs says rollout open

Check the roll out switch it is located right in front of the burner assembly it will have two wires on it some times they are resat-able if you have to reset it do so and then put on the heat to see if flames are coming back out to trip the roll out sensor. make sure the heat exchange and burners are clean.

Feb 16, 2015 | Goodman Heating & Cooling

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My statis code reads #33 which limit flame or roll out switch is open i dont know where to locate a roll out switch . i just never work on this heating unit

The flame rollout switch should be located in combustion chamber directly above the burners.Most of them have a red reset button in the center. Check to see if it will stay in when you push in on it. If not then replace it. Hope this helps you.Thank you.

Apr 16, 2011 | Carrier Heating & Cooling

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roll out from a burner chamber would be caused by a blockage or crack. the crack would only roll out when the heated air fan comes on. and then 1 more thing.if they forgot to install the orifice you could be dumping to much gas into that chamber

Feb 07, 2011 | Heating & Cooling

1 Answer

My Dayton NG furnace runs a couple minutes thens shuts down There is a fault code #4 after the burner shuts down Appears to be 3 limit switches, Can I checkeck these with an ohmeter as it is running to...

To check them you should power the unit down, then using your volt ohm meter check the limits. These limits should read normally closed or dead short, if it is open that is your culprit. If it happens to be one of the limits in or around the burner chamber please inspect the(burner chamber) heat exchanger for cracks or pin holes as this would leave carbon monoxide to be released in to your home.These limits are for over heating and that occurs once you have holes in the heat exchanger letting hot gasses escape out to the blower area of your furnace.

Jan 09, 2011 | Dayton Gas Furnace Heater

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My furnace light is telling me that the limit swich is open so what can I do it is starting to get cold in here. Help please?

on most furnaces the limit switch will reset its self.not knowing which furnace you have i will guess that there is maybe a resetable switch in the fan compartment or the roll out switch at the burner opening. either of these problems need your furnace looked at. the limit switch is over heating,bad motor dirty filter blocked air return, and the roll out switch would mean something is wrong in the combustion chamber

Jan 08, 2011 | Dayton Gas Furnace Heater

2 Answers

Flame rollout on ignition causing rollout switch to fail, prior technician to me feels it is the heat exchanger. I feel that if it was the heat exchanger the rollout would occur after the indoor blower...

roll out occurs if there is not enough combustion air at the burners or there is a blockage of the vent pipe. check both for problem. a blocked heat exchanger can also cause a roll out.

Oct 10, 2010 | Heating & Cooling

1 Answer

Raypak heater. fault cde says (ROL)

Thank you for posting your question here on

Replacing the roll out switch is an easy do-it-yourself repair. Fixing the problem causing the roll out of the burner flames in the first place is a bit more of a pro job. Something is causing to much heat to roll out the the combustion chamber into the control area causing the switch to fail. You will continue to burn the link until the underlying problem is fixed.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!


May 31, 2010 | Raypak Free Hydraulic Lift Gate Delivery -...

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Furnace ignites when thermostat calls for heat, runs for a few minutes and the burners extinguish, repeats... changed flame sensor, nodifference, saw 4 quick red flashes evry few seconds after burners...

You don't say if the blower is coming on, no blower would cause the limit to open. By the way, the limit is internal and auto-reset, not the manual reset roll out switches on the burner assembly.

Jan 11, 2010 | Goodman Heating & Cooling

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Open rollout

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!!

Nov 17, 2009 | Goodman GDS80904BNA Open Flame Heater

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Preblower comes on, Ignitor lights up, but no flames. Control board blinks 6 times, indicating Open Rollout. What does this mean and what are the recommended fixes?

Roll out flames are a safety device on a furnace. On the furnace back up under where your burners are located, you will see a switch with a manual reset button on it. What is happening is the flames have rolled out further than they should have at one point during its cycle, and tripped this switch to keep the flames from burning the wiring and what ever it might reach.It is one of many safety's on you're furnace.Reset this switch, like I said, it would be where the flames would come out a little to far. Sometimes they will trip if you get a gust of wind down the flue pipe from the roof. Or, if the burners are getting plugged up with black soot.Check this also.Until the switch is reset, the burners will not come on. You should have no problem finding it, mounted just at the end and above the burners. Walk out side and make sure your flew cap is in place. I have found birds nesting in flew pipes that will cause this.Reset it and watch it for awhile to see how it burns.Don't worry, as that is why the switch is there, for you're safety. I am sorry for such a long solution, but it is called for on this problem. Please let me know how it turns out.
Sincerely, Shastalaker7

Nov 07, 2009 | Goodman GDS80904BNA Open Flame Heater

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