Oil Furnace Transformer Problems

Although your oil furnace burns fossil fuel it still needs electricity to light the flame.

Oil furnace transformer problems.

Replace the transformer in the oil furnace. If a furnace were allowed to exceed certain temperatures when the increased temperature reached the combustion chamber the furnace would blow and the house would catch fire. By the mother earth news editors. As a double check an ohmmeter can be used.

The volts capacity information can be located within the furnace s features. A problem during the heating season will bring a call from an anxious and possibly agitated customer. Some options may also use as little as 24 volts. The transformer steps up your 120 volt house voltage to several thousand volts to produce a spark across the terminals of an igniter.

Most often a low voltage transformer that is no longer functioning can cause your ignition system to fail. Low voltage transformers can be found on the zone valves or on the thermostat of your furnace. Oil furnace ignition repair and transformer replacement. If you can t find a sticker with the information you can find out the voltage capacity by using a voltage.

Furnaces of all types such as electric gas and oil furnaces will use transformers with 120 or 240 volts. Oil burner won t start or won t keep running. November 11 2013 an oil furnace works by having a high voltage ignitor create a spark next to an oil nozzle. When facing a residential oil fired furnace that is acting up you want to get the situation under control as quickly as possible.

Oil furnace ignitor troubleshooting posted on. Step by step checklist to to diagnose repair an oil burner that won t run or keeps stopping. Furnace transformer troubleshoot sequence if there is no voltage read at the output of the transformer as read by a voltmeter and power is available on the input side the transformer has failed. Oil burners used on oil fired heating boilers furnaces or water heaters can often be diagnosed using a visual inspection approach as well as optional simple test equipment described here.

The nozzle compresses air and oil transporting it to the spark where it is ignited to create heat. The following are some of the most common issues that a service contractor addresses when troubleshooting an oil furnace along with the possible cures.