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How to Repair Common Oven Parts The oven is an appliance in the kitchen that is used to cook food items. The heat of the oven sterilizes food items and kills the majority of microorganisms. A precise oven thermometer is an essential for bakers of all kinds. Understanding how your oven works will help improve your baking and roasting skills, and eliminate those annoying hot spots that cause havoc with cakes, cookies and other baked items. Thermostat The thermostat is an essential component of your oven. It assists in ensuring that the temperature of food matches the temperature that you set on the control panel. It can be problematic, just like any other switch or sensor that is electro-mechanical. The oven could overheat or underheat, or not keep the temperature you set. The oven thermostat is essentially a small strip of two different metals that are bonded. When heated, the metals expand or flex at different rates. This creates an electrical circuit. When the metal in your thermostat reaches the temperature you set on your control panel, it will shut off power to the heater. As the oven cools the bimetallic strips expand in a circuit, re-establishing it and activating the heating element. This cycle is repeated continuously to ensure a constant oven temperature. You'll need the oven disconnected and all screws removed in order to determine the issue with the thermostat. Set your multimeter to the Ohms setting, and then test the thermostat. If the multimeter reads 0 or very close to it, then the thermostat is functioning properly and doesn't need to be replaced. If the multimeter does not show anything it means that the thermostat is defective. It must be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar model as the one you have. They are available on the internet or in a kitchen goods store, and can be bought at a reasonable cost. Bake Element Ovens can't be complete without the bake element which provides heat to make your oven cook food. It's an easy component that transforms electricity into high temperatures for baking, roasting and broiling. Electric ovens and ranges usually have heating elements, which are either visible or hidden under the floor. In general oven heating elements are made up of high-resistance materials like nickel-chromium. They convert electrical energy into heat using resistance. The heat then radiates through the oven's interior to achieve the desired temperature for cooking different types foods. When you switch on the oven the heating elements start to produce heat through the high-voltage current flowing across the metal surface. When the electric current is flowing through it the element is heated. The element will turn red hot when it is at the desired temperature. The baked element is the main source of heat for most oven functions. It's usually located at the bottom of the oven. Many ovens with automatic heating also use it for self-cleaning. When it begins to burn out, you might notice that your oven doesn't heat up as fast or that your food isn't cooked through completely. To check for a working oven baking element connect your multimeter to its red and black ports, then touch the metal probes against each other on one end of your device. The other end of the element against one terminal and place your hand on it. If the element feels warm, remove it and try testing it again. If it's not, take off the element and test again. Broil Element The broil element, which is usually located on the top of the cavity, provides high temperatures to brown or char the food. The broil setting in your oven is a great option for quickly searing meat, crisping vegetables, reheating lasagna, or caramelizing the top of the casserole. The broiler heating element is comparable to the bake element in that it converts electrical energy via resistance into heat. It is comprised of an inner core consisting of wires made of metal, encased in an insulating expanded product called perlite. The inside of the element is then covered with a stainless steel outer layer to protect the wires against direct contact with the oven. The three-layer design helps to reduce the temperature of the broil element, making it more secure than older designs. You can use any heating element to bake or broiling in your oven. However, you should select one that matches the wattage of your oven's rating. A different wattage may damage your oven, or cause it to overheat. The current and voltage ratings of the new heating elements are available on the control panel of your oven. This will allow you to check the power and rating of your oven. You should also check the resistance of your old element and compare it with the power output of your new broiler heating element. The greater the resistance of an oven element the more power it uses. Replace the element in your broiler immediately if it is not working or is acting up. It is essential that your oven function correctly to be able to cook all of your favorite foods. However, if your oven is not working at all, or is only working intermittently, the issue may lie with another part of your oven. Light Bulb and Assembly The oven light helps you keep an eye on your food as it cooks, without having to open the door and let heat escape. The light will also notify you when the casserole is done. It's not uncommon for the bulb to go. It can be a hassle, but you can do it yourself. Make sure the breaker is not tripped, and that the connector has three prongs. Take out the old bulb and then find the new one. It is possible to search the internet for a replacement that matches the wattage and the type of your oven. Some ovens utilize standard appliance bulbs that run at 40 watts some require an halogen lamp that can reach 50 watts. Be aware that the oils from your hands could damage the bulb, so it is recommended to use cotton gloves when handling it. Remove the glass casing of the bulb before replacing it. It's important to take this step slowly to ensure that you don't fracture it. Then, you'll need to remove the air from the bulb and replace it with a mixture. This will provide a longer life for the filament. If your light bulb is always blinking, it could be a wider electrical issue that must be addressed by a professional. Make sure that you're using a correct bulb for your oven, and check out your Use and Care Guide for more troubleshooting tips. Remember that it's an excellent idea to unplug your oven and disconnect the power from the outlet prior to you begin any repair. This will protect your from electrical shock. ovens hobs is an important oven part that allows for a tiny airflow inside the cavity. This allows the bake element to circulate heat around the oven, ensuring that the temperature is evenly dispersed. It also allows vapors from the oven to escape as well as allows smoke to be drained away from the cooking surface. It is essential for proper functioning of any gas or electric oven. Oven vent tubes may become blocked due to various reasons. Accidental spills or splatters may leave sticky residues in oven vents. These can attract debris, dust and other contaminants that can cause clogs in the course of time. Oil and grease particles can become airborne and settle around the vents, as well. Other environmental factors such as kitchen and construction work can introduce dust into the vents. This can cause clogs. Depending on the oven model, the vent tube may comprise a bottle guide 20 or spreader 46 as well as a fill tip 12 that are integrally formed with the pipe 32. For instance, the bottle guide 20 may have a tapered outer layer which is in harmony with the tapered inner surface of the spreader 46 to allow the vent tube to be smoothly fitted into various sizes and designs of bottle necks. A blocked vent tube may cause a loss in pressure inside the enclosure, which could cause an updraft that pulls exhaust backwards and then down the vent, causing damage to the oven components. If you believe that your vent tube is blocked or blocked, call a professional for help. They will diagnose the problem and give suggestions for clearing or cleaning the vent.