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Flame rollout switch keeps tripping - Heating & Cooling

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  • frankrhoney May 11, 2010

    What make and model is the heater and does it have a blower fan?

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It means the flame is rolling out..... generally indicates a blockage in heat exchanger, or flue pipe, or combustion fan is not turning a correct rpm.

Posted on Oct 08, 2009

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1 Answer

Reznor UDAP 100 tripping Flame Rollout Switch


If the flame is rolling out of the heater then the burners of heat exchanger is blocked needs cleaning

Feb 19, 2013 | Heating & Cooling

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Power Failure and now I have no heat. Light flashes 4 times


4 time eh? Let me see what 4 times might just be:
Most likely a roll out switch has tripped.
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These are limits that are set to trip IF the air temp gets too hot in the furnace.
Their can be a bunch of them. 2 near the heater one in the stack one below the burners on each side of the burners. Why do they call it a roll out switch? Well if the burners are clogged with rust or the smoke stack is stopped up with bird nests, cobwebs and such then instead of firing off and lookin all blue and purty, the flame will tickle the side of the heater look all ugly yellow and be all over the place. Hence flame rollout is managed by them pesky rollout switches.

Feb 03, 2011 | Heating & Cooling

1 Answer

Rollout switch continues to trip


If you have a cracked heat exchanger this will cause the flames to rollout and trip this switch. Its meant to stop the furnace from running and putting carbon monoxide in your home. Watch the furnace as it tries to light if when the gas valve opens and flame is established it should go into the tubes heat the heat exchanger and then your main blower motor will come on. When your main blower comes on is usually when you see the flames rollout and trip that switch. If this happens you can either buy a heat exchanger or new furnace if its a older unit Obama still has that awesome tax credit til 12-31-2010.

Dec 13, 2010 | Goodman Heating & Cooling

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Open rollout switch cuicuit


Have you checked the flame rollout switches? Some have to be reset manually. You would also find out why they are tripped.

Oct 05, 2010 | Heating & Cooling

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Heat would not come on and fan would not cut off even when thermostat was set to off. Took off the outside panel of the unit and red light was blinking 7 times - rollout switch fault. Since fan would not...


this means that the rollout switch was tripped by a flame coming from burners. could be a plugged fue or bad inducer motor, or a bad rollout switch. the fan will not shut off as a safety feature it keeps running incase the heat exchanger is to hot to keep a fire from starting. it will shut off after disconnecting power and restarting everything. watch the flames from burner when it lights to see if the actually roolout of the burner box toward the rollout sensor.

Dec 08, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

2 Answers

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

1 Answer

Arcoair central heat /air conditioning unit


The blower motor kicks on when there has been a 24 volt control failure.

This usually means that a limit switch has tripped.

Most likely that would be a high temp limit switch or a rollout switch.

First, make sure the filters are clean. and the evap coil is clean. If eaither are dirty/clogged, it will partially block airflow, causing the furnace to overheat, causing the high temp limit to trip.

A rollout switch typically trips for three reasons.
1 flame rollout into the burner compartment due to poor airflow.
2 overheating af teh metal plate the rollout is mounted to, due to dirty, old, rusted components.
3 a bad limit switch.

If your unit has an LED light, count the flashes and it will hepl popint out the problem.
(locate the wiring diagram/flash code list, and correspond the flash count, with the code.)

First, check filters.

Jan 14, 2009 | Heating & Cooling

2 Answers

Flame rollout sensor keeps tripping


sounds like your burners need to be cleaned, you will need to pull them out and clean the rust out of them. the rust builds up on top of the burners and when you gas valve opens and fills the burners full of gas you will have a roll out of flames. hope that helps.

Dec 30, 2008 | Heating & Cooling

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Rollout Limit Switch Keeps Tripping


have someone check the gas presure most likely too high no more than 11

Dec 14, 2008 | Coleman Propane Forced Air Heater...

1 Answer

Coleman Evcon Furnace Model G8T10012UHB11A


you probably have a cracked heat exchanger which is causing the rollout switches to trip.even the tiniest of cracks will cause the fan to blow the flame back into the unit and cause them to trip. check the heat exchanger for even the tiniest of cracks if so replace it. and be sure to have a carbon monoxide alarm in your home.

Oct 25, 2008 | Heating & Cooling

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