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How to Repair Common Oven Parts The oven is a common kitchen appliance used to cook food. The heat generated by the oven sterilizes food items and kills the majority of micro-organisms present in them. All bakers require an accurate oven thermometer. Understanding how your oven works can help you improve your baking and roasting skills, and eliminate those annoying hot spots that wreak havoc with cakes, cookies and other baked goods. Thermostat The thermostat is an important component 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 may overheat or underheat, or simply not keep the temperature you have set. The oven thermostat is basically tiny strips of two different metals bonded together. When exposed to heat, the various metals expand and contract at different rates, creating or breaking an electrical circuit. When the metal in your thermostat reaches the temperature you set on your control panel it will shut off heating element's power. When the oven cools down the bimetallic strip expands to re-establish the circuit before activating the heating element. This cycle is repeated continuously to ensure a constant oven temperature. To diagnose a problem with the thermostat, you'll have to remove the oven and make sure that all of the screws holding it in place have been removed. Set your multimeter to the Ohms setting, and then test the thermostat. If the multimeter shows zero or close to zero the thermostat is operating correctly and does not need to be changed. If the multimeter fails to read anything then the thermostat is not working properly. It needs to be replaced. Cooker Spare Parts recommends that you replace the thermostat with a brand new one of the same kind as your old one. They can be purchased on the internet or in a kitchen goods store, and are available at a reasonable price. Bake Element The bake element is vital to the functioning of your oven. It produces heat that lets it cook food items. It's a simple element that converts electricity into the high temperatures required for baking, roasting, and broiling. Electric ovens and ranges usually include heating elements that can be either exposed or hidden under the floor. The majority of 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 interior of the oven to achieve the temperature required to cook various types of food. When you start your oven the heating element starts to generate heat from the high-voltage electrical energy moving across its metal surface. When electric current flows through it the element is heated. When the element reaches its desired temperature, it starts to shine red hot. The baked element is the main source of heat in all oven functions. It is usually located at bottom of the oven. Many automatic oven models also have it to clean themselves. You may be noticing that your oven doesn't warm up as quickly, or that your food hasn't been cooked completely. To check for 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 end of the element. The other end of the baking element against one terminal and then place your hand on it. If the element feels warm, remove it and test it again. If not, remove it and try again. Broil Element The broil element, typically located at the top of your cavity, offers high temperatures to brown or char the food. The broil setting in your oven is an excellent option for quickly grilling meat, crisping vegetables, reheating lasagna or making caramel on top of a casserole. The broiler heating element is similar to the bake element in that it converts electrical energy by resistance into heat. It is comprised of an inner core made up of metal wires, wrapped in an insulating and expanded product known as perlite. The inner core is encased in an outer layer of stainless steel, which protects the wires from direct contact with the oven. The three-layer structure helps lower the temperature of the broil element which makes it more durable and safer than the older designs of elements. You can use any heating element for baking or broiling in your oven. However, it is important to select one that matches your oven's rated wattage. A different wattage may damage your oven, or cause it overheat. You can determine the wattage of your oven and the rating of the new heating element by looking at their voltage and current ratings on the oven's control panel. Examine the resistance of your old element, then compare it to the wattage rating of the new one. The higher the resistance of an oven element, the more power it uses. If your broiler heating element is malfunctioning or isn't working at all, you should replace it as soon as possible. Your oven must function correctly to be able to cook your favourite meals. If your oven is not working at all, or is only working intermittently, the issue could be in a different area of your oven. Light Bulb and Assembly The light lets you keep an eye on your food as it cooks without opening the doors and letting heat escape. The light also informs you when the casserole is ready. It's not uncommon for the light bulb to fail. This can be frustrating but it's an easy fix you can accomplish yourself. Before you begin, be sure that the breaker hasn't tripped and that the three-prong connector remains intact. Take out the old bulb and then locate the new one. It is possible to search the internet for the right replacement bulb that is compatible with your oven's wattage. Some ovens use standard appliances with bulbs that are 40 watts in power and others require an halogen lamp that can reach 50 watts. It is recommended to use cotton gloves to protect the bulbs from the damage caused by oil. Before you place the new bulb into place it is important to first remove it from its glass casing. It's crucial to do this slowly so that you don't damage it. You'll then need to remove the air from the bulb and replace it with a mixture. This will ensure a longer lifespan for the filament. If your bulb is always blinking, it could be an electrical problem that requires a professional to fix. Make sure ovens and hobs using the correct oven bulb and consult your Use and Care Guide to find more troubleshooting advice. And remember that it's always an excellent idea to unplug your oven and disconnect the power from the outlet before you start any repair. best oven will protect you from electrical shock. Vent Tube The vent tube is an essential oven component because it allows for a tiny amount of airflow to flow within the cavity. This allows the bake element to circulate heat throughout the oven, ensuring that the temperature is evenly distributed. It also allows the vapors be released from the oven, and smoke to be drained from the cooking surface. It is crucial for the efficient operation of any electric or gas oven. oven with hob in ovens can get blocked or clogged due to a variety of reasons. Accidental spills or splatters may leave sticky residues in oven vents. They may draw in dust, debris and other contaminants that could cause obstructions in the course of time. Grease and oil may also become airborne and build up on vents. Other environmental factors like kitchen and construction projects can create dust in the vents. This can lead to clogs. Based on the type of the oven the vent tube may comprise a spreader 46, the fill tip 12, and an a bottle guide 20 that are integrated into the pipe 32. For example the bottle guide 20 may have a tapered exterior surface which is in harmony with the tapered inside of the spreader 46. This allows the vent tube to be smoothly placed into various sizes and shapes of bottle necks. A blocked or clogged vent tube can result in an increase in pressure within the enclosing structure, which can result in a downdraft that pushes exhaust down the vent and backwards towards the oven's burners, causing damage to the oven components. Contact a professional if you suspect that your vent tube could be blocked or clogged. They will identify the problem and offer suggestions on how to clean or clean the vent.