Furnace Spark Ignitor Troubleshooting

November 11 2013 an oil furnace works by having a high voltage ignitor create a spark next to an oil nozzle.

Furnace spark ignitor troubleshooting.

The nozzle compresses air and oil transporting it to the spark where it is ignited to create heat. In some models the. Some of the problems are. Is your furnace ignitor not working or not glowing and the furnace is not igniting the gas.

Without it your heater blows air at the same temperature as the cold outside air. Rv furnace igniter not working. The igniter generates a spark to ignite the propane. The igniter is the part of the furnace that lights it up and once it s broken there ll be no heat.

Electronic ignition gas furnace problems troubleshooting gas furnaces are a prevalent form of heat for homes and businesses and occasionally a gas furnace needs to be repaired because of a problem with the gas furnace. If you are successful with one of these and get your furnace to come on you may just save yourself quite a bit of money on an otherwise costly hvac service call. Any number of reasons can be behind a broken igniter. Cold air blowing through your vents is a good sign that you have a heating problem within the furnace.

My spark ignition furnace cuts the main gas valve on for a short period of time and then cuts the gas right back off. The igniter is located in the flow of gas entering the burners. Furnace ignition failure easy troubleshooting there are some very simple troubleshooting steps that anyone with even a light mechanical background can do themselves. My spark ignition furnace will not light the main gas valve.

In case it isn t working the problem is most likely with the thermocouple which i check immediately after. The ignition circuit board is in charge of operating the gas valve and firing the ignitor spark. Most are made from silicon nitride or silicon carbide. Since there are many different types of gas furnaces it is difficult to cover every single possible gas furnace problem that can occur with a gas furnace in one article.

In a dsi furnace the igniter takes the place of a pilot light. Troubleshooting a hot surface ignitor hsi the hot surface ignitor hsi is the most commonly used electronic ignition system. My furnace does not spark. My spark ignition furnace will not light the pilot.

It will also act as a sensor to verify that ignition was successful. Usually i first check the pilot light. If you have a faulty furnace ignitor it won t produce that small spark to heat the air coming from your furnace. In this video i show how to test check an.