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How to Repair Common Oven Parts The oven is a kitchen appliance that is used to cook food items. The heat generated by the oven sterilizes food and kills most of the micro-organisms present in them. A precise oven thermometer is 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 annoying hot spots which can cause damage to cakes, cookies and baked items. Thermostat The thermostat is an essential component of your oven. It assists in ensuring that the temperature of food matches the temperature that you set on the control panel. It can be problematic as with any other sensor or switch that is electro-mechanical. The oven could overheat or underheat, or simply not maintain the temperature you have set. The oven thermostat is an extremely small piece of different metals joined. When heated the different metals expand and flex at different rates, making or breaking an electrical circuit. When the thermostat's metal reaches the temperature you've set on your control panel it shuts off power to the heating element. As the oven cools, the bimetallic strips contract to re-establish the circuit before turning on the heating element. This cycle continues for a long time to ensure a constant oven temperature. It is necessary to disconnect the oven and all screws removed in order to determine 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 operating properly and doesn't require to be replaced. If the multimeter fails to show anything, the thermostat is faulty. It must be replaced. Cooker Spare Parts recommends that you replace the thermostat with a new one that is the same model as your old one. The thermostats are sold at a reasonable cost online or at a kitchen goods shop. Bake Element The bake element is essential to the operation of your oven. It provides heat that allows it to cook food. It's a simple component that converts electricity into high temperatures for baking, roasting, and broiling. Electric oven s and ranges typically include heating elements that can be either exposed or hidden beneath the floor. In general oven heating elements are made up of high-resistance metals like nickel-chromium. They convert electrical energy into heat by the process of resistance, which then radiates through the oven's interior, causing it to increase the temperature to the desired degree to cook various types of food items. When you switch on your oven the heating element gets to produce heat through the high-voltage electricity flowing across its metal surface. When electric current is flowing through it the element gets heated up. The element will glow red hot when it reaches the desired temperature. The baked element is the main source of heat for most oven functions. It's usually located at the bottom of the oven, and is used to perform the self-cleaning function in many ovens with automatic cleaning. When it starts to smoke you may be noticing that your oven doesn't warm as quickly or your food isn't cooked through completely. Connect your multimeter to its black and red ports. Then, touch the probes made of steel on one end of the element against each other. The other end should be placed against one of its terminals, and then place your hands on it to feel whether the element is warm to the contact. If not, take it off the element and try again. Broil Element The broil element is typically located at the top of your oven cavity and provides high heat like a grill to roast or grill food items. The broil setting in your oven is an excellent option for quickly searing meat, crisping vegetables, reheating lasagna, or caramelizing the top of a casserole. Similar to the bake element the broiler heating element transforms electrical energy into heat via the process of resistance. It is made up of an inner core made up of metal wires, wrapped in an insulating and expanded product called perlite. The core of the element is then covered with a stainless steel outer layer to shield the wires from direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it more secure than older styles. 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 compatible with the wattage that your oven is rated for. A different wattage can cause damage to your oven or cause it to overheat. The voltage and current ratings of the latest heating elements can be located on the control panel of your oven. This will allow you to check the wattage and rating of your oven. Verify the resistance of the previous element, and then compare it with the wattage rating of the new one. The higher the resistance of an oven element, the more power it uses. If the heating element in your broiler is malfunctioning or isn't working at all, you must replace it immediately. It's important that your oven functions correctly to be able to cook all of your favorite food items. If your oven doesn't function in any way, or just intermittently, the issue may be a problem with a different component. 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 unusual for the bulb to die. It can be quite frustrating, but you can fix it yourself. Make sure that the breaker is not tripped, and that the connector has three prongs. First, remove the old light bulb and then locate the new one. It is possible to search online for a replacement bulb that matches the wattage and type of oven you have. Some use standard 40-watt appliance bulbs, while others require a halogen bulb that is up to 50 watts. It is recommended to use cotton gloves to shield halogen bulbs from the damage caused by oil. Before putting the new bulb in You must first remove it from its glass casing. It's important to do this slowly so that you don't fracture it. Then, you'll have to evacuate the air inside the bulb and fill it with an amalgamation of gases. This will provide a longer life for the filament. If your light bulb is always being replaced, it could be a wider electrical problem that needs to be dealt with by an expert. Be sure to double check that you're using a correct bulb for your oven and look over your Use and Care Guide for more troubleshooting advice. Remember that it's an excellent idea to unplug your oven and disconnect the power from the outlet before you start any repair. This will protect you from electrical shock. Vent Tube The vent tube is an important oven component because it allows for a tiny amount of airflow to flow inside the cavity. This allows the bake-element to circulate heat throughout the oven, making sure that the temperature is distributed evenly. It also allows the vapors escape from the oven, and smoke to be drawn from the cooking surface. It is vital for the efficient operation of any gas or electric oven. Vents in ovens can get clogged by various reasons. Accidental spills and splatters from cooking can leave sticky residues on the oven vents, which could draw dust and other debris that can eventually cause obstructions or blockages in the course of time. Oil and grease particles can be blown into the air and settle around the vents, too. Other environmental factors, like kitchen renovations and construction work, can introduce dust and other contaminants into the vents, which can cause clogs or blockages. Based on the oven model the vent tube could include an 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 may have a tapered edge that matches the tapered inside edge of the spreader, allowing the vent tubes to be placed smoothly into different sizes and shapes bottle necks. A clogged or blocked vent tube could cause a loss of pressure within the structure that surrounds it, which can create a downdraft situation that pushes exhaust down the vent and backwards towards the oven's burners, which can cause damage to the oven components. Consult a professional if you believe that your vent might be blocked or clogged. They will determine the cause and make recommendations on how to clean or clean the vent.