Bad Flame Sensor Goodman Furnace

The flame sensor is just one of those safety measures.

Bad flame sensor goodman furnace.

The flame sensor monitors the burner to detect whether or not a flame is present. How to know if you have a bad flame sensor is quite easy to diagnose. If the flame sensor is defective the furnace may not heat. However a more common reason is that it is just dirty.

Since your furnace is still having what sounds like flame sensing problems i would suggest making sure the flame sensor is positioned in the flame where it is getting a good hot blue flame to sense. The flame sensor is sooty or corroded. How to tell if flame sensor is bad. The flame sensor is constructed out of metals that will create an electrical current if in the presence of a flame.

Goodman furnace draft inducer motor genuine oem part 0171m00001s rc item 3342922. Signs of a bad furnace flame sensor are. Just scour it like you were trying to give it a light sanding. It is a sensitive sensor so any type of dust or carbon buildup could cause it to malfunction.

The furnace lights but then shuts down after a few seconds short cycles the porcelain on the flame sensor is cracked. If the flame sensor is defective the furnace may not heat. It is usually meant to shut the product down when not enough burning fuel is detected from the last burner in the gang of burners inside the furnace. The easiest and most cost effective fix is to clean the flame sensor with steel wool or a green pad.

The flame sensor monitors the burner to detect whether or not a flame is present. Most people have their furnaces in a basement or laundry area where there is excess dust in the air. There is a carbon build up on the flame sensor over time that can prevent the sensor from sensing the flame. To know if the flame sensor is in a bad condition it will not sense the flame even the furnace is running properly and a flame sensor will automatically shut down a furnace unit.

Just enough to remove the build up. Goodman furnace burner tube genuine oem part b4022700 rc item 2646068.