How To Clean Flame Sensor On Armstrong Furnace

As long as the component senses the flame it sends a message to the main furnace control board telling it to keep the main burner on and the gas valve open.

How to clean flame sensor on armstrong furnace.

To clean a furnace start by turning off the furnace then removing the access panel on the outside of the furnace and inspecting the filter for dirt or damage every 3 4 months. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Remove this using the screwdriver. If the flame sensor can t sense the flame because it s too dirty the furnace may shut itself off.

Between the 1st and 2nd burner ports from left to right you can see the wire leading to the flame sensor the sensor is easily accessible and typically mounted by one 1 4 hex head screw. If faulty replace the flame sensor. If dirty clean the sensor using a fine abrasive pad. The furnace door can be opened easily and once opened you can access the internal part of the furnace.

Lennox gas furnaces contain an important safety component known as a flame sensor. If the filter is dirty replace it or clean it with soap and water if it s not disposable. In the video you can see 4 burner ports. The flame sensor is a thin metallic rod attached with a single screw below the burner.

Upon removing this screw the sensor will slide out so that you can easily clean it. If it is either defective or dirty it will not be able to detect a flame. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. Step 2 clean the sensor.