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How to Repair Common Oven Parts Ovens are an appliance in the kitchen that is used to cook food. The heat generated by the oven sterilizes food and kills most of the micro-organisms in them. An accurate oven thermometer is an essential for all bakers. Knowing how your oven functions can help you improve your baking cooking, roasting and cooking abilities. It can also help you avoid those hot spots that can ruin cakes, cookies and baked items. Thermostat The thermostat is an important 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. As with any electro mechanical switch or sensor it may have issues that can cause the oven to over heat or under heat, or not be able to maintain the temperature at what you've set. The oven thermostat is an extremely small piece of different metals joined. When exposed to heat, the different metals expand and bend at different rates, making or breaking an electrical circuit. When the metal in your thermostat reaches the temperature that you set on the control panel it will shut off the power to the heater. As the oven cools it expands the bimetallic strip to re-establish the circuit before turning on heating element. This process continues to ensure that the temperature remains constant in your oven. To diagnose a problem with the thermostat you'll need to disconnect the oven and ensure that all of the screws holding it in place have been removed. If you have a multimeter (which is a device that detects the electrical current), set it to the ohms setting 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 changed. If the multimeter doesn't read anything, it's likely that the thermostat is defective and must be replaced. ovens hobs suggests that you replace your thermostat with a similar type as the old one. The thermostats are sold at a reasonable cost on the internet or in a kitchen goods shop. Bake Element Ovens can't be complete without the bake element which provides heat to make your oven cook food. It's a simple component that turns electricity into the high temperatures required for baking, roasting, and broiling. Electric ovens and ranges usually include heating elements that can be exposed or hidden beneath the floor. In general oven heating elements are made up of high-resistance metals such as nickel-chromium. They convert electrical energy into heat via the process of resistance which then radiates throughout the oven's interior, causing it to increase the temperature to the desired level to cook different kinds of foods. When you start your oven the heating element gets to produce heat through the high-voltage electricity moving across its metal surface. When the electric current is flowing through it the element gets heated up. The element will glow red hot when it reaches the temperature you want. The baked element is the main source of heat used in most oven functions. It's typically located at the bottom of the oven and is used to clean the oven in a variety of ovens that are automatic. When it begins to smoke you may be noticing that your oven doesn't heat up as fast or that your food is not fully cooked. Connect your multimeter to its red and black ports. Then, press the probes made of metal on one end of the element against each other. The other end of the element against one terminal and place your hand on it. If ovens hobs feels warm, remove it and try testing it again. If it's not, take off the element and start testing again. Broil Element The broil element is typically located in the upper part of the oven cavity and provides the same high temperature as grills to cook or brown food. Broil settings in ovens are ideal for quick grill meat crisp vegetables, heat lasagna, or caramelize the topping of a casserole. Similar to the bake element the broiler heating element converts electrical energy into heat via the process of resistance. It is made up of an internal core of wires that are wrapped in insulating perlite material. The core of the element is covered with an outer layer of stainless steel to protect the wires against direct contact with the oven. The three-layer design helps to lower the temperature of the broil element, making it more secure than older designs. You can use any heating element for baking or broiling in your oven. However, it is important to choose one that is compatible with the wattage of your oven's rating. A different wattage can cause damage to your oven or cause it to overheat. The current and voltage ratings of the latest heating elements are available on the control panel of your oven. This allows you to determine the ratings and wattage of your oven. Check the resistance of the old element, and then compare it with the wattage rating of the new one. The greater the resistance, the more power an oven element uses. Replace your broiler element immediately in the event that it isn't working or is acting up. Your oven must work properly for you to to cook your favorite meals. If your oven does not operate at all, or only intermittently, the issue may be in a different part. Light Bulb and Assembly The oven light helps keep an eye on your food as it cooks, without opening the door and let the heat escape. The light will also notify you when the casserole is done. However, oven with hob 's not uncommon for the bulb to fail. This can be very frustrating but it's an easy repair that you can do yourself. Make sure the breaker isn't tripped and that the connector has three prongs. First, remove the old light bulb and locate the new one. It is possible to look online to find a replacement that matches the wattage and the type of your oven. Some ovens use standard 40-watt appliance bulbs, while others require halogen bulbs up to 50 watts. Be aware that the oils from your hands can cause damage to a halogen bulb, so you should use cotton gloves when handling it. Before you put the new bulb in You must first remove it from its glass casing. Do this slowly to avoid breaking it. Then, you'll need to evacuate the air inside the bulb and fill it with a mixture of gases. This ensures a longer life for the filament. If your bulb keeps blinking, it could be a bigger electrical issue that must be handled by a professional. Make sure you're using the correct oven bulb and consult your Use and Care Guide to find more troubleshooting advice. Remember that it's recommended to unplug your oven and disconnect the power from the outlet prior to you begin any repair. This will protect your from electrical shock. Vent Tube The vent tube is a crucial oven component because it allows for a small amount of airflow inside the cavity. This allows the bake-element to circulate heat throughout the oven, making sure that the temperature is evenly distributed. It also allows the vapors escape from the oven and smoke to be drained from the cooking surface. It is crucial for the proper operation of any electric or gas oven. Vents for ovens can become blocked or blocked due to several factors. Accidental spills or splatters while cooking can leave sticky residues on the oven vents, which can attract dust and other debris which can lead to blockages or clogs in the course of time. Grease and oil particles may be blown into the air and settle around the vents, and vice versa. Other environmental factors like kitchen and construction projects can cause dust to enter the vents. This can cause clogs. Based on the type of the oven the vent tube could comprise a spreader 46 and the fill tip 12, and a bottle guide 20 that are integrated into the pipe 32. For instance, the bottle guide 20 might have a tapered outer surface which is in harmony with the tapered inside of the spreader 46, allowing the vent tube to be easily inserted into different sizes and shapes of bottle necks. A blocked vent tube could cause a decrease in pressure within the enclosure, which could cause a downdraft that pulls exhaust backwards and down the vent, causing damage to oven components. Consult a professional if you think your vent pipe might be blocked or clogged. They will identify the problem and offer suggestions on how to remove or clean the vent.