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How to Repair Common Oven Parts Oven is an appliance in the kitchen that is used to cook food. The heat produced by the oven sterilizes foods and kills most of the micro-organisms present in them. A reliable oven thermometer is essential for bakers of all kinds. Knowing how your oven functions will help improve your baking cooking, roasting and cooking abilities. It can also help you avoid the annoying hot spots that can ruin cookies, cakes and baked items. Thermostat The thermostat is an important element of your oven. It assists in ensuring that the temperature of food corresponds to the temperature you set on the control panel. It can be problematic as with any other sensor or switch that is electro-mechanical. The oven may overheat or underheat, or simply not keep the temperature you have set. The oven thermostat is an extremely small piece of different metals that are bonded. When heated to a certain temperature, the two metals expand and bend at different rates. This creates an electrical circuit. When the thermostat's metal attains the temperature you've set on your control panel it turns off the heating element's power. As the oven cools it expands the bimetallic strip, re-establishing circuit and activating the heating element. This cycle is constantly repeated to maintain a constant temperature within your oven. You'll need the oven disconnected and all screws removed to identify the issue with the thermostat. If you own a multimeter (which is a device that detects electrical current), set it to the ohms setting, and then test the thermostat. If the multimeter displays zero or close to zero the thermostat is operating properly and doesn't need to be replaced. If the multimeter does not read anything then the thermostat is not working properly. It is time to get it replaced. Cooker Spare Parts recommends that you replace the thermostat with a fresh one of the same kind as your old one. The thermostats are sold at a reasonable price online or in a kitchen goods shop. Bake Element The bake element is essential for the proper operation of your oven. It provides the heat needed to cook food. It's an easy component that converts electricity into high temperatures for baking, roasting and broiling. Electric ovens and ranges usually have heating elements, which can be either exposed or hidden under the floor. The majority of oven heating elements are made from high-resistance components like nickel-chromium alloy. They work by converting electrical energy into heat using resistance. This heat then radiates through the oven's interior to attain the desired temperature for cooking different types foods. When you start the oven, the heating elements begin to produce heat due to the high-voltage current flowing across the metal surface. When electric current runs through it, the element heats up. When the element reaches its temperature, it starts to shine red hot. The baked element is the primary source of heat for the majority of oven functions. It's typically located at the bottom of the oven and is used to clean the oven in many ovens with automatic cleaning. You might be noticing that the oven does not warm up as quickly, or that your food hasn't been fully cooked. Plug your multimeter in to its red and black ports. Then, you can press the probes made of steel on one side of the device against each other. Place the other end of the element against one terminal and place your hands on it. If the element feels warm, remove it and try testing it again. If not, remove it and try again. Broil Element The broil element is typically situated in the top of your oven and can provide high heat like grills to cook or brown food items. The broil setting of your oven is an excellent option for quickly grilling meat and vegetables, crisping up vegetables, warming lasagna or making caramel on top of the casserole. Similar to the bake element, the broiler heating element converts electrical energy into heat through the process of resistance. It consists of an inner core of wires that are wrapped in insulating expanded perlite product. The inner core is then enclosed in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer structure helps reduce the broil element's temperature making it more secure and efficient than older types of elements. While you may use any baking or broiling heating element in your oven, it is important to select one that is compatible with the wattage rating of your oven. A different wattage can damage your oven, or cause it to overheat. You can verify the wattage of your oven and the rating of the new heating element by examining their current and voltage ratings on the control panel of your oven. Check the resistance of the previous element, and then compare it to the wattage ratings of the new element. The greater the resistance of an oven element the more power it draws. Replace the element in your broiler immediately If it's not functioning or if it's acting up. Your oven must work properly for you to be able to cook your favorite foods. However, if your oven isn't working in any way or only intermittently, the issue could be with a different part of your oven. Light Bulb and Assembly The oven light helps keep an eye on your food cooking without having to open the door and let heat escape. The light will also let you know when the casserole has been cooked. It's not unusual for the light bulb to fail. It can be a hassle, but you can do it yourself. Before you start, make sure that the breaker isn't tripped and that the three-prong connector is intact. Remove the old bulb and then locate the new one. It is possible to search the internet for a replacement bulb that is compatible with the wattage and model of your oven. Some ovens have standard appliance bulbs that run at 40 watts and others require a halogen lamp up to 50 watts. It is recommended to use cotton gloves to shield halogen bulbs from the damage caused by oil. Remove the glass casing of the bulb before replacing it. It's crucial to take this step slowly to ensure that you don't break it. Then, you'll have to evacuate the air inside the bulb and fill it with gas mixture. This ensures a longer life for the filament. If your light bulb is always going out, there may be a larger electrical issue that should be dealt with by an expert. Be sure to double check that you're using a correct bulb for your oven and consult your Use and Care Guide for additional troubleshooting suggestions. Be sure to unplug your oven and shut off the power before beginning any repairs. This will prevent you from being shocked by electricity. Vent Tube The vent tube is an essential oven component because it allows for a small amount of airflow to be created inside the cavity. This allows the bake element to circulate heat around the oven and ensures that the temperature is evenly dispersed. It also allows the vapors that are released from the oven to escape, as well as allows smoke to be drained away from the cooking surface. It is necessary for the proper operation of any electric or gas oven. Oven vent tubes may become clogged by a variety of factors. Accidental spills and splatters from cooking can leave sticky residues on oven vents, which draw dust and other debris that can eventually cause clogs or blockages in the course of time. Grease and oil can also become airborne, and settle on vents. Other environmental factors like construction and kitchen renovations can cause dust to enter the vents. This can lead to clogs. Based on the oven model the vent tube may include a bottle guide 20 or spreader 46 as well as a fill tip 12 that are formed by the pipe 32. The bottle guide 20 can have a tapered edge that complements the tapered inner edge of the spreader. This allows the vent tubes to be inserted effortlessly into various sizes and shapes bottle necks. A blocked or clogged vent tube can cause an increase in pressure within the structure that surrounds it, which could result in a downdraft that pulls exhaust down the vent and backwards through the oven burners, causing damage to the oven components. If you believe that your vent tube is blocked or blocked, contact a professional for help. They will diagnose the problem and give suggestions for clearing or cleaning the vent.