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How to Repair Common Oven Parts The oven is an appliance in the kitchen that is typically used to cook food items. The heat from the oven sterilizes food items and kills the majority of microorganisms. A reliable oven thermometer is an essential for all bakers. Knowing how your oven functions will help improve your baking and roasting abilities and eliminate those annoying hot spots that wreak havoc with cakes, cookies and other baked products. Thermostat The thermostat is a crucial part of your oven. It assists in ensuring that the temperature of food is in line with the temperature that you set on the control panel. It can be problematic as is 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 basically a small strip made of two different metals connected. When heated the different metals expand and flex at different rates, forming or breaking an electrical circuit. When the metal in your thermostat reaches the temperature that you set on your control panel, it will shut off heating element's power. As the oven cools the bimetallic strips expand to re-establish the circuit before turning on heating element. This process is repeated over and over to maintain a constant temperature in your oven. It is necessary to disconnect the oven and all screws removed to diagnose a thermostat problem. Set your multimeter to the Ohms setting and then test the thermostat. If the multimeter reads 0 or very close to it the thermostat is functioning properly and doesn't require to be replaced. If the multimeter does not detect anything it means that the thermostat is defective. It must be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar type as the previous one. These thermostats are available at a reasonable cost on the internet or in a kitchen products shop. Bake Element Ovens aren't complete without the bake element, which is the element that heats up to help your oven cook food. It's a simple component that converts electricity into high temperatures for baking, roasting, and broiling. Electric ovens and ranges usually include heating elements that can be either exposed or hidden under the floor. In best hobs uk , oven heating elements are constructed from high-resistance materials like nickel-chromium alloy. They convert electricity into heat through resistance. The heat then radiates through the oven's interior to achieve the temperature required to cook various types of food. When you start your oven the heating element gets to generate heat by the high-voltage electricity moving across its metal surface. The element is a coil or ribbon (straight or corrugated) of wire. When the electric current passes through it, it begins to get hotter. When the element reaches its temperature it begins to shine red hot. The baked element is the primary source of heat in all oven functions. It is typically located at the in the bottom of the oven. Many automatic oven models also utilize it for self-cleaning. When it begins to smoke you may notice that your oven doesn't warm as quickly or your food is not cooked through completely. Connect your multimeter to its black and red ports. Then, you can press the probes made of steel on one end of the device against each other. The other end of the element against one terminal and then place your hand on it. If the element feels warm, take it off it and try testing it again. If it's not, remove the element and test again. Broil Element The broil element, usually found at the top of your cavity, allows high-temperature heat to brown or char foods. The broil setting of your oven is a great option for quickly searing meat or vegetables, crisping them up, reheating lasagna, or making caramel on top of the casserole. The broiler heating element is comparable to the bake element in that it converts electrical energy through resistance into heat. It is made up of an inner core made up of metal wires, wrapped in an insulating and expanded product called perlite. The inside of the element is then covered with an outer layer of stainless steel to shield the wires from direct contact with the oven. The three-layer structure reduces the broil element's temperature, making it safer and more efficient than older types of elements. You can use any heating element you want to use for baking or broiling in your oven. However, it is important to choose one that is in line with the wattage that your oven is rated for. A different wattage could damage your oven, or cause it overheat. The current and voltage ratings of the new heating elements can be found on the control panel of your oven. This allows you to determine the wattage and rating of your oven. Verify the resistance of your old element, and compare it to the wattage rating of the new one. The higher the resistance of an oven element the greater power it draws from it. Replace your broiler element immediately in the event that it isn't functioning or if it's acting up. It is essential for your oven to function properly so that you can cook all your favorite foods. If your oven doesn't operate in any way, or just intermittently then the problem may be with another part. Light Bulb and Assembly The oven light lets you keep an eye on your food as it cooks, without opening the door and let the heat escape. The light also informs you when your casserole is ready. However, it's not uncommon for the bulb to fail. This can be very frustrating, but it's a relatively easy repair that you can tackle yourself. Before you start, make sure that the breaker hasn't tripped and that the three-prong connector remains intact. First, remove the old light bulb and then locate the new one. You may have to search the internet to find the correct replacement bulb that is compatible with the wattage of your oven. Some appliances use standard 40-watt bulbs and others require halogen bulbs up to 50 watts. You should consider using cotton gloves to shield halogen bulbs from damage caused by oil. Remove the glass casing of the bulb prior to replacing it. It is important to do this slowly to avoid breaking it. Then, you'll have to remove the air from the bulb and fill it up with an amalgamation of gases. This will extend the lifespan of the filament. If your bulb is always blinking it could be due to an electrical issue that needs a professional to fix. Double check that you are using the correct oven bulb and check your Use and Care Guide to find more troubleshooting advice. Make sure to unplug the oven and turn off the power before beginning any repairs. This will prevent you from getting an electric shock. Vent Tube The vent tube is a vital oven component that permits a tiny airflow inside the cavity. This permits the bake element to circulate heat throughout the oven, ensuring that the temperature is distributed evenly. It also allows the vapors that are released from the oven to escape, as well as allows smoke to be removed from the cooking surface. click here now is essential to ensure the proper operation of any electric or gas oven. Oven vent tubes may become blocked by many factors. Accidental spills and splatters during cooking can leave sticky residues on the oven vents, which can attract dust and other particles that can eventually cause obstructions or blockages over time. Grease and oil can also be airborne and then settle around vents. Other environmental factors, such as kitchen renovations and construction work can bring dust or other contaminants into the vents, leading to clogs or blockages. Based on the model of the oven, the vent tube can comprise a spreader 46 and a fill tip 12, and a bottle guide 20 that are integrally formed into the pipe 32. For instance the bottle guide 20 might have a tapered outer layer which is in harmony with the tapered inner surface of the spreader 46. This allows the vent tube to be effortlessly fitted into various sizes and forms of bottle necks. A clogged vent tube can cause a loss in pressure inside the enclosure which can lead to a downdraft that pulls exhaust backwards and down the vent, causing damage to the oven's components. Contact a professional if you think your vent pipe may be clogged or blocked. They will determine the cause and give suggestions for clearing or cleaning the vent.