Oil Furnace Transformer Problems

By the mother earth news editors.

Oil furnace transformer problems. As a double check an ohmmeter can be used. Oil furnace repair and troubleshooting when your oil furnaces quits try some home diagnoses before calling in a professional including these five tips and symptoms. Some options may also use as little as 24 volts. Low voltage transformers can be found on the zone valves or on the thermostat of your furnace.

Most often a low voltage transformer that is no longer functioning can cause your ignition system to fail. The following are some of the most common issues that a service contractor addresses when troubleshooting an oil furnace along with the possible cures. Heating service technicians use a special high voltage tester to check the transformer. 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.

November 11 2013 an oil furnace works by having a high voltage ignitor create a spark next to an oil nozzle. The nozzle compresses air and oil transporting it to the spark where it is ignited to create heat. Furnaces of all types such as electric gas and oil furnaces will use transformers with 120 or 240 volts. Step by step checklist to to diagnose repair an oil burner that won t run or keeps stopping.

Oil furnace ignitor troubleshooting posted on. Oil furnace ignition repair and transformer replacement. 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. The transformer steps up your 120 volt house voltage to several thousand volts to produce a spark across the terminals of an igniter.

When facing a residential oil fired furnace that is acting up you want to get the situation under control as quickly as possible. Replace the transformer in the oil furnace. Oil burner won t start or won t keep running. Although your oil furnace burns fossil fuel it still needs electricity to light the flame.

When the transformer stops working properly it can lead to problems with your furnace such as the igniter failing to start and the furnace overheating. A problem during the heating season will bring a call from an anxious and possibly agitated customer.