How To Clean Flame Sensor On Furnace. If present, you should also clean off any corrosion where the power wire connects to the flame sensor terminal. However, in most cases, you need to unscrew then lift the door off.
After that, use a clean and dry paper towel to get the excess particles and dust from the metal rod. Switch off the socket and gas to the furnace. Turn off power to your furnace and open the access panel to the burners.
Clean The Flame Sensor Socket Using Another Piece Of Clean Cloth;
You don’t want to clean a hot flame sensor. Indeed, you can do it yourself (diy) as long as you remove the furnace access door to locate and detach the sensor. You can do that by:
Cleaning Sooty Or Dirty Flame Sensors Will Not Eat Much Of Your Time As It’s A Simple Process.
Next, take a paper towel to remove excess dirt from the flame sensor. Remove this screw and slide the sensor out gently. Should the flame sensor need cleaning, keep in mind that you will have to sand away dirt and/or corrosion for restoring the clean metal surface on the sensor.
To Clean The Flame Sensor, Follow These Steps:
To clean the sensor, simply rub the metal rod gently with light grit sandpaper, steel wool, or emery cloth to eliminate the carbon buildup. Remove the furnace flame sensor; Lift the sensor out of the burner and remove it.
Why Do You Need To Clean Furnace Flame Sensor?
How To Clean A Furnace Flame Sensor.
Then clean it out with emery cloth until all the dirt comes out. Make sure that your furnace has been off for at least 30 minutes so that its internal parts are cool. If cleaning the flame sensor did not work, it’s possible that the sensor is broken.