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How to Repair Common Oven Parts The oven is a common kitchen appliance used to cook food. The heat produced by the oven sterilizes foods and kills most of the micro-organisms in them. A reliable oven thermometer is a necessity for bakers of all kinds. Knowing how your oven functions will improve your baking cooking, roasting and cooking skills. It can also help you avoid the annoying hot spots that can ruin cookies, cakes and baked goods. Thermostat The thermostat is an important part of your oven. It helps to ensure that the temperature of food is in line with the temperature you set on the control panel. It could be a problem, just like any other sensor or switch that is electro-mechanical. The oven can overheat or underheat, or not maintain the temperature you set. The oven thermostat is essentially a small strip of two different metals that are bonded. When heated by Ovens And Hobs , the metals expand or bend at different rates. This creates an electrical circuit. When the metal in your thermostat reaches the temperature that you have set on your control panel, it will shut off the heating element's power. When the oven cools down, the bimetallic strip contracts, re-establishing the circuit and activating the heating element. This cycle continues for a long time to ensure a constant oven temperature. To identify a problem with the thermostat, you'll need to disconnect the oven and ensure that all screws that hold it in place have been removed. If you own a multimeter (which is a device that measures the electrical current), set it to the ohms level and then test the thermostat. If the multimeter reads zero or close to zero, the thermostat is functioning correctly and doesn't require to be replaced. If the multimeter doesn't read anything at all, then the thermostat is not working properly and must be replaced. Cooker Spare Parts recommends that you replace the thermostat with a fresh one of the same kind as your old one. These thermostats are available at a reasonable cost on the internet or in the kitchen store. Bake Element The bake element is essential to the operation of your oven. It produces heat that lets it cook food. It's a basic component that transforms electricity into the high temperatures required to bake, roast, and broiling. Heating elements are commonly found in electric ranges and ovens, and they can be either uncovered or hidden under the floor of the oven. In general oven heating elements comprise of high-resistance materials like nickel-chromium. They work by converting electricity into heat through resistance. This heat then radiates through the oven's interior to achieve the temperature required for cooking different types foods. When you switch on the oven, the heating elements begin to produce heat through the high-voltage current flowing across the metal's surface. When the electric current flows through it, the element heats up. The element will turn red hot when it reaches the desired temperature. The baked element is the primary source of heat in all oven functions. It's typically located in the bottom of the oven, and is used to clean the oven in a variety of ovens that are automatic. You might observe that the oven does not heat up as quickly or that your food hasn't cooked completely. To verify that you have a working oven baking element, plug your multimeter into its red and black ports, and then place the probes made of metal against each other on one side of the element. The other end of the element on one terminal and place your hand on it. If the element feels warm, remove it and test it again. If not, take it off and try again. Broil Element The broil element is usually located in the top of your oven cavity and provides high heat like a grill to roast or grill food items. The oven's broil setting is a great way to quickly grill meat, crisp vegetables, reheat lasagna or caramelize the topping of a casserole. The broiler heating element has a similarity to the bake element in that it converts electrical energy through resistance into heat. It is composed of an inner core consisting of metal wires, wrapped in an insulating, expanded material known as perlite. The inside of the element is then covered with a stainless steel outer layer to shield the wires from direct contact with the oven. The three-layer design helps reduce the temperature of the broil element, making it more secure than the older models. While you may use any baking or broiling heating element in your oven, make sure to choose one that is in line with the rated wattage of your oven. A different wattage could cause damage to your oven or cause it overheat. The voltage and current ratings of the new heating elements are available on the control panel of your oven. This will allow you to check the ratings and wattage of your oven. You should also check the resistance of your old element and compare it with the power of the new broiler heating element. The higher the resistance of an oven element the greater power it draws from it. Replace the broiler element as soon as possible If it's not working or if it is acting up. It is crucial for your oven to function properly so that you can cook all your favorite food items. If your oven doesn't function in any way, or just intermittently, the issue may be with another part. Light Bulb and Assembly The light allows you to monitor the food that is cooking without opening the door and let heat escape. The light will also inform you when the casserole has been cooked. However, it's not uncommon for the bulb to fail. This can be very frustrating however, it's an easy fix you can tackle yourself. Before you begin, be sure that the breaker isn't tripped and that the three-prong connector remains intact. First, take out the light bulb that was in use and then locate the new one. You may have to search the internet for a replacement bulb that matches the wattage and the type of your oven. Some appliances use standard 40-watt bulbs and others require a halogen bulb up to 50 watts. Be aware that the oil from your hands can damage the halogen bulb, so you should use cotton gloves when handling it. Before putting the new bulb into place, you should first take it out of its glass casing. It's crucial to take this step slowly to ensure that you don't break it. Then, you'll need to remove the air from the bulb and fill it up with an amalgamation of gases. This will prolong the filament life. If your light bulb is always blinking, it could be a bigger electrical problem that needs to be addressed by a professional. Make sure you're using the correct oven bulb and check your Use and Care Guide for more troubleshooting advice. Also, remember that it's a good idea to unplug your oven and disconnect it from the outlet prior to you start any repair. This will prevent you from getting an electric shock. Vent Tube The vent tube is a vital oven component that allows for a small airflow inside the cavity. This allows the bake element to circulate heat around the oven and ensures the temperature is evenly dispersed. It also allows vapors from the oven to escape, and allows smoke to be removed from the cooking surface. It is crucial to ensure the proper operation of any gas or electric oven. Oven vent tubes may become blocked due to various reasons. Accidental spills or splatters could leave sticky residues on oven vents. They can attract debris, dust and other contaminants that could cause obstructions over time. Oil and grease can also become airborne, and build up on vents. Other environmental factors, like kitchen renovations and construction work, can introduce dust or other pollutants into the vents, which can cause obstructions or clogs. Depending on the oven model the vent tube could comprise the bottle guide 20, spreader 46 and fill tip 12 that are formed by the pipe 32. For example, the bottle guide 20 may have a tapered outer layer that compliments the complementarily tapered inner surface of the spreader 46, allowing the vent tube to be effortlessly placed into various sizes and designs of bottle necks. A blocked vent tube may cause a decrease in pressure within the enclosure, which can cause an exhaust downdraft, which pulls the exhaust backwards and down the vent, damaging the oven's components. If you suspect that your vent tube is blocked or blocked, contact a professional for help. They will identify the issue and provide recommendations for removing or cleaning the vent.