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Ruud Furnace Troubleshooting Flame Sensor

Ruud Furnace Troubleshooting Flame Sensor. Typically, the flame sensor comes in the form of a rod that can be found near the back of the furnace, right in the path of the burner. A suitable flame sensor will turn off the gas valve when it doesn’t identify aflame by the time the furnace should fire.

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The flame sense path is. The flame sensor detects if a flame is present. If it is either defective or dirty, it will not be able to detect a flame.

The Flame Sensor Led Should Be Locked On Bright.not Flickering When Flame Is Present.


If it is either defective or dirty, it will not be able to detect a flame. The flame sense path is. 1# shut off electrical power to your furnace.

A Suitable Flame Sensor Will Turn Off The Gas Valve When It Doesn’t Identify Aflame By The Time The Furnace Should Fire.


Shop by ruud furnace parts. The flame sensor monitors the burner to detect whether or not a flame is present. If it is either defective or dirty, it will not be able to detect a flame.

The Flame Sensor Monitors The Burner To Detect Whether Or Not A Flame Is Present.


The furnace main gas burners ignite, the main gas burners stay on for only 8 to 10 seconds, then the burners shut. If the flame sensor does not detect a flame, the control board will shut off voltage to the gas valve to prevent the furnace from heating. Gets applied to the flame sensor rod.

First Find The Flame Sensor.


The flame sensor detects if a flame is present. You have to test the flame sensor to make sure that your furnace runs correctly and safely. Otherwise, toxic gas could build up and result in a leak or fire.

Sometimes, If The Flame Sensor Is Dirty, It Will Fail To Detect A Flame.


The flame sensor within a furnace was created to ensure that the gas valve is opening only while the flames are burning. A bad flame sensor won’t feel the heat and shut the furnace down when the unit has fired, and it’s already burning hot. Then, if possible, remove the sensor from the furnace.

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