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Why does my Flame Rollout Switch Keeps Tripping? How can I overcome this issue? Are you also looking forward to the same solution? Hit this article!
Tripping of Flame Rollout Switches is not something safe as it is a sign of an alarming situation. It isn’t all about Flame Rollout Switch – there are various problems behind this issue. A broken heat exchanger, low gas pressure, or damaged sensor switch are some of the basic causes of Flame Rollout Switch tripping.
Well, we have covered you completely and brought the solutions to this problem. So read the article till the end and find the most effective solution to deal with this problem immediately.
So go ahead!
Flame Rollout Switch Keeps Tripping: Explore Why?
The flame Rollout switch detects the hot exhaust or fire gases in the burner compartment. It is present on the side or sometimes at the top of the burner; they are just like small metal circles with two wires coming from the backside. The flame Rollout switch keeps stripping out due to various reasons. Often you may hear an alarm after resetting the rollout switch of the furnace. It is an indication of a severe issue. It would help if you looked into the basic reason behind tripping.
Sometimes these switches tripped due to flames that were burning at the back. Some other reasons include a stopped heat exchanger, the vent may stop, gas pressure is low, and the biggest reason is the heat exchanger that becomes cracked. All these mentioned causes can lead to damage.
A broken heat exchanger might be the reason for the tripping rollout switch. The broken heat exchanger will reduce the draft by allowing the positive pressure of air from the blower to the heat exchanger. If the hole is large, it means the pressure of the cell may turn positive and ultimately pushes the flames from the heat exchanger towards the surface where only secondary air for combustion is present.
Flame Rollout Switch Tripping Issue: Possible Causes
The flame Rollout switch keeps tripping because there are many reasons behind this. The most common one is the escape of flames from the burner to the entire furnace surface.
Below we mentioned some of the basic reasons for tripping.
Let’s discuss this in detail!
Broken Heat Exchanger Cause Tripping
When the heat exchanger is broken, it will lessen the suction inside, leading to lower airflow and flame rollout. The indication which tells about the breakage in the heat exchanger is the blowing of the carbon monoxide alarm. Cracks present in the heat exchanger also are the cause of combustion gases in the house. It is dangerous for health as carbon monoxide is quite poisonous. The only solution left when the heat exchanger breaks is its replacement. It is not easy as you have to remove the whole furnace. Along with this, it is also a burden on your pocket. So it is always suggested to change the whole furnace if there is severe damage to the heat exchanger.
Damage To Sensor Switch of The Flame
If the original flame rollout precludes but the switch keeps showing tripping, this is not a good sign. After careful checking, if you have noticed a ruled-out switch, immediately go for replacement. Disconnecting the switch and installing a new one is not difficult, so do it and eliminate this tripping problem.
Gas Pressure is Low
Flame rollout can also occur when the pressure of a gas is less. If the furnace is facing low pressure of the gas, then the flame rollout happens because of dirt in the burner. Whenever the burner gets clogged, the pressure ultimately becomes low. To solve this problem, it is suggested to clean burners, and for this purpose, you can use a wire brush or compressed air.
Steps for Testing the Flame Rollout Switch
When you see that the flames do not roll out, but the switch is tripping, the issue may lie with the rollout switch. For testing the rollout switch, follow the below-mentioned steps.
Let’s have a look in detail!
- The first and foremost step is turning off the furnace’s power because it is not necessary to turn it on when working on it.
- Try to open the furnace completely and find the rollout switch; there is no hard and fast rule; you can easily find it in the burner compartment. It has a shape just like a button, and two wires are coming out from the backside. Many burners come with at least two switches.
- In this step, you must take off the rollout switch wires. Disconnect them from the terminals; always ensure to rest them while keep pressing the button.
- Take a multimeter and test the switch, but firstly set it to the ohms settings. Use two probes of the multimeter for touching the terminals of the rollout switch. If the switch is alright, then the multimeter will indicate a line. Sometimes it may show high resistance reading between hundreds of ohms or thousands.
- Once you check the rollout switch, it is time to reconnect the switch. If the switch shows a problem, you must replace it first and reconnect the wires.
- Put everything back and close your furnace, turn it on and test it by setting the thermostat to heat. Now see whether it works or not. If it works, well and good, otherwise take it to a professional or spend some bucks on buying a new one.
The Bottom Line
You can read this article if you are eager to find the solution to Flame Rollout Switch Keeps Tripping error. This article has covered all the possible problems and their possible solutions. So if you ever get hit by these unwanted issues, you can dig out this article and find the solutions.
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