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How to Repair Common Oven Parts Oven is a kitchen appliance that is commonly used to cook food. The heat produced by the oven sterilizes foods and kills most of the micro-organisms that are present in them. An accurate oven thermometer is an essential for bakers of all kinds. Understanding how your oven works will help improve your baking and roasting abilities and eliminate those annoying hot spots that wreak havoc with cookies, cakes and other baked items. Thermostat The thermostat is one of the most crucial components of your oven, helping to ensure that the temperature of your food matches the temperature you've set on the control panel. It can be problematic, just like any other sensor or switch that is electro-mechanical. The oven can overheat or underheat, or not maintain the temperature you have set. The oven thermostat is an extremely small strip of two different metals that are bonded together. When heated to a certain temperature, the two metals expand or flex at different rates. This creates an electrical circuit. When the metal in your thermostat reaches the temperature you have set on your control panel, it will shut off the heating element's power. As the oven cools the bimetallic strips expand to re-establish the circuit before turning on heating element. This cycle continues for a long time to ensure that the oven remains at a constant temperature. It is necessary to disconnect the oven and all screws removed to identify 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 require to be replaced. If the multimeter does not read anything at all, then the thermostat is defective and requires replacement. Cooker Spare Parts recommends that you replace the thermostat with a fresh one of the same type as the one you have. The thermostats are sold at a reasonable price online or at a kitchen goods shop. Bake Element The bake element is essential to the functioning of your oven. It generates the heat needed to cook food items. It's a simple element that converts electricity into high temperatures for baking, roasting, and broiling. Heating elements are typically found in electric ovens and ranges and are either uncovered or hidden under the oven's floor. In general, oven heating elements consist of high-resistance elements such as nickel-chromium. They convert electrical energy into heat using resistance. ovens and hobs uk is then radiated through the oven's interior to reach the temperature required to cook different kinds of food. When you switch on the oven the heating elements start to produce heat through the high-voltage electric current flowing across the metal's surface. The element is a coil or ribbon (straight or corrugated) of wire, and when the electric current passes through it, it starts to increase in temperature. When the element reaches its temperature it starts to shine red hot. The baked element is the primary source of heat used in most oven functions. It's typically located at the bottom of the oven and is used for the self-cleaning feature in a variety of ovens that are automatic. You might notice that your oven doesn't heat up as quickly or that your food isn't cooked completely. Connect your multimeter to its black and red ports. Then, press the metal probes on one side of the element to each other. Place the other end against one of its terminals, and then place your hands on it to feel whether the baking element is warm to the touch. If it's not, take off the element and test again. Broil Element The broil element is typically situated in the top of your oven and can provide the same high temperature as a grill to brown or char food items. The oven's broil setting is an excellent way to quickly cook meat or crisp vegetables, to heat up lasagna or caramelize the topping of the casserole. The broiler heating element has a similarity to the bake element in that it converts electrical energy by resistance into heat. It is comprised of an inner core of metal wires wrapped in insulating perlite material. The inner core is then encased in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it safer than older styles. You can use any heating element for baking or broiling in your oven. But, you must select one that matches the wattage that your oven is rated for. Utilizing a different wattage may harm your oven or cause it to overheat. You can determine the power of your oven and the rating of the new heating element by looking at their current and voltage ratings on the oven's control panel. You should also check the resistance of your old element and compare it with the power of the new broiler heating element. The higher the resistance, the more power an oven element 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 work correctly to be able to cook your favorite meals. If your oven doesn't work in any way, or just intermittently, the issue may be in a different part. Light Bulb and Assembly The oven light helps you keep an eye on your food cooking without opening the door to let heat escape. The light also informs you when the casserole is ready. It's not unusual for the bulb to die. It can be a hassle but it's an simple fix that you can tackle yourself. Before you begin, be sure that the breaker hasn't been tripped and that the three-prong connector is intact. First, take out the light bulb that was in use and then locate the new one. You may need to search the internet to find a replacement that is compatible with the wattage and model of oven you have. Some ovens use standard appliances with bulbs that are 40 watts in power and others require a halogen lamp up to 50 watts. Be aware that the oils from your hands can cause damage to the halogen bulb, so consider using cotton gloves when handling it. Before you place the new bulb in place it is important to first take it out of its glass casing. It is important to do this slowly so that you don't break it. You'll have to remove the air from the bulb and replace it with the mixture. This will extend the lifespan of the filament. If your bulb is always going out, it could be an electrical problem that requires a professional to fix. Double check that you are using the correct oven bulb and consult your Use and Care Guide to find more help in troubleshooting. Also, remember that it's recommended to unplug your oven and disconnect the power from the outlet before you begin any repair. This will help protect you from electric shock. Vent Tube The vent tube is a vital oven component that allows for a small airflow inside 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 that are released from the oven to escape and also allows smoke to be drawn away from the cooking surface. It is crucial for the efficient operation of any electric or gas oven. Oven vent tubes can become blocked or blocked due to several factors. Accidental spills or splatters may leave sticky residues in oven vents. They can attract dust, debris and other contaminates that could cause obstructions in the course of time. Grease and oil particles may be blown into the air and settle around the vents, too. Other environmental factors such as 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 can comprise a spreader 46, a fill tip 12, and the bottle guide 20 which are integrated into the pipe 32. The bottle guide 20 could have a tapered outer edge that is complemented by the tapered inside edge of the spreader to allow the vent tubes to be placed effortlessly into various sizes and shapes bottle necks. A clogged or blocked vent tube can result in a loss of pressure within the enclosing structure. This can result in a downdraft that pulls exhaust down the vent and backwards through the oven's burners, causing damage to the oven's components. Contact a professional if you suspect that your vent tube may be clogged or blocked. They will determine the cause and make recommendations on how to clean or clean the vent.