Gas Furnace Burners Not Igniting

Loosen the small hex head.

Gas furnace burners not igniting.

Gas furnaces now come with an igniter that works electronically to light the gas and heat the home. The furnace fan will run when the thermostat is set. If the burner ignites turn off the knob and proceed with adjusting the igniter. Again the best time to do this is a month before your areas.

The thermostat although this may seem obvious be sure your thermostat is set to heat and that it s actually colder. Top five reasons your furnace may not be igniting 1. A dirty flame sensor may cause your furnace to function improperly. Furnace burners are not igniting fan on furnace is ok thermostat is ok.

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. Most people know when the cold season in their. Gas burners common causes for slow or no ignition burners clicking surface burners are often slow to light or will not light at all because the burner or burners are wet or dirty the electrode is not seated properly or because the burner head and cap are not matched up properly. The furnace is just not lighting the burners.

You can check this by examining the shut off valve. Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas. Check the following if the unit has power but is not lighting. Don t wait until it gets cold to turn on your furnace for the first time.

The gas line first and foremost verify that the gas is turned on. These newer furnaces do not use a pilot light system as the older furnaces did. The flame sensor safeguards your furnace by ensuring that gas flows only when there is a flame to ignite it. Schedule a routine maintenance furnace check once a year.