Gas Range Won't Heat
If your gas range is not heating, here you will find troubleshooting help with some of the most common solutions to repair your broken range with.
WARNING – If you are attempting to repair any household appliances yourself, be aware that you are working with potentially dangerous electrical currents that can cause serious bodily injury or death. Always remove the electrical power source from the appliance before you ever begin working on it. If you are attempting to repair any household gas appliances yourself, always be sure to turn off the gas that is designated to the appliance before you ever begin to repair it. Be aware that appliances have extremely sharp edges and moving parts that can cause serious bodily injury or death. Be aware that there are many other dangers and precautions involved in appliance repair besides those listed above. We strongly suggest that you please read our DISCLAIMER before any further actions are taken or proceeding any further. Always think safety first!
Troubleshoot A Gas Range That Won’t Heat With These 5 – Steps
Step-1. Spark Electrode
Modern gas ranges use some form of electronic ignition system, such as the spark electrode or an igniter system. These ignition systems have replaced the older range style gas flame pilot lights. Range models using a spark ignition system also have an actual gas pilot like a pilot ignition system only the pilot does not stay lit all the time. Instead, when the range’s thermostat is turned on, gas flows to the range’s safety valve and also to the range’s pilot, which gets lit with a spark. Once the pilot is lit and the safety valve’s sensor bulb senses the pilot flame, that valve will then open, allowing the gas to flow to the range’s burner where the pilot flame ignites the gas burner. If the spark electrode is weak or no longer works at all the range will not light, the repair solution is to replace the spark electrode if this is the case with your unit.
Step-2. Range Oven Igniter
The range oven igniter, also known as the glow bar, is used in some free standing and wall gas range models. It is located under the burner shield inside the bottom part of the range’s oven compartment, mounted right next to the gas burner tube. The igniter is used to open the gas valve and to ignite the gas to flame for heat. As the igniter draws electrical current it will heat to a high temperature and glow red hot, as well as cause the bi metal in the oven’s safety valve to warp and open the valve releasing the gas to be ignited into flame. The igniter can become weak over time, if you can see that your igniter is glowing, but will not light the gas too flame it may need to be replaced. If the igniter does not glow at all, it is faulty and will need to be replaced to fix the problem. You can test the igniter for continuity using a digital meter or multimeter if the test shows no continuity, the igniter will need to be replaced. If the igniter has continuity it is good and more troubleshooting will need to be performed. Troubleshooting tip – If you don’t have a test meter, a digital meter can be purchased reasonably cheap online or from one of the bigger hardware stores. A test meter is a real time and money saver while troubleshooting the electrical parts used on a range. Electrical parts can be diagnosed either good or bad very fast, instead of just assuming that a part is faulty and replacing it, only to find out that part wasn’t bad and the problem lies elsewhere with another faulty range part.
The thermostat is used on some gas range models to control the temperature inside of the oven compartment. When the desired temperature has been reached, the thermostat will turn off the heat source. When the oven’s temperature begins to fall, the thermostat will cycle the heat back on. The most common symptoms of a faulty thermostat are undercooked food or an oven that either won’t turn on or turn off. Safety Warning – Please be sure that your range has had plenty of time to cool down before testing or removing any internal or external parts. Some range parts can hold heat for quite some time and will still burn you long after the appliance has been shut off.
Step-4. Safety Valve
If the range’s oven igniter comes on, glows red hot for 90 seconds and does not light the burner, you will need to test the safety valve for continuity. You can test the safety valve for continuity using a digital meter or multimeter if the test shows no continuity, the valve will need to be replaced, if the valve does have continuity it is good and more troubleshooting will need to be performed. Safety Reminder – You will need to be sure to turn off the gas that is dedicated to your gas range before you begin to remove this part.
Step-5. Range Electronic Control Board
You will need to Inspect your ranges electronic control board, the control board is a very difficult part to test. You can visually inspect the control board for a loose wire harness connection or a melted or burnt component on the control board. If any of the mentioned damage is found, the control board may be faulty. The oven control board is a very intricate electrical part, sometimes a hairline fracture in a solder joint can cause the board to fail, you won’t even be able to see the fracture in the solder with the naked eye.
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