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How to Repair Common Oven Parts The oven is an appliance in the kitchen that is used to cook food. The heat of the oven sterilizes food and kills the majority of microorganisms. All bakers need an accurate oven thermometer. Knowing how your oven functions can help you improve your baking and roasting skills, and eliminate those annoying hot spots that cause havoc with cookies, cakes and other baked products. Thermostat The thermostat is one of the most important parts of your oven, helping to make sure that the temperature of your food is exactly what you've set in your control panel. However, just like any other electronic mechanical switch or sensor it can sometimes have problems that can cause the oven to over heat or under heat, or simply not be able to maintain the temperature at the level you've set. The oven thermostat is an extremely small strip of two different metals bonded together. When heated to a certain temperature, the two metals expand or bend at different rates. This creates an electrical circuit. When the thermostat's metal attains 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 heating element. This cycle is constantly repeated to ensure that the temperature remains constant within your oven. To identify a problem with the thermostat you'll need to unplug the oven and make sure that all screws that hold it in place have been removed. If you have a multimeter (which is a tool that analyzes electrical current), set it to the ohms setting, and then test the thermostat. If the multimeter reads zero or close to zero it means that the thermostat is working correctly and does not need to be replaced. If the multimeter doesn't detect anything it means that the thermostat is defective. It must be replaced. Cooker Spare Parts recommends that you replace the thermostat with a fresh one of the same type that your old one. The thermostats are available for purchase at a reasonable cost on the internet or in a kitchen products shop. Bake Element The bake element is crucial to the operation of your oven. It produces the heat needed to cook food. It's an easy component that converts electricity into high temperatures for baking, roasting, and broiling. Electric ovens and ranges typically include heating elements that can be either exposed or hidden under the floor. The majority of oven heating elements are made of high-resistance materials such as nickel-chromium alloy. They work by converting electricity into heat through resistance. The heat then radiates through the oven's interior to reach the temperature required to cook various types of food. When you start the oven, the heating elements begin to generate heat by the high-voltage current flowing across the metal's surface. When electricity is flowing through it the element gets heated up. oven uk will turn red hot when it reaches the temperature you want. The baked element is the main source of heat for most oven functions. It's usually found at the bottom of the oven and is used for the self-cleaning feature in a variety of ovens that are automatic. You may notice that the oven does not get hot as fast or that your food hasn't been fully cooked. Connect your multimeter to its red and black ports. Then, press the probes made of steel on one end of the device against each other. The other end should be placed against one of its terminals and put your hand on it to determine whether the element is warm to the contact. If not, take it off and try again. Broil Element The broil element is typically located in the upper part of the oven and can provide the same high temperature as a grill to roast or grill food. The broil setting of your oven is a great option for quickly grilling meat, crisping vegetables, reheating lasagna or making caramel on top of a casserole. Similar to the bake element the broiler heating element converts electrical energy into heat by the process of resistance. It consists of an inner core of wires that are wrapped in an insulating expanded perlite material. The inner core is then encased in an outer layer of stainless steel, which protects 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 designs. While you can use any heating element in your oven, you should select one that is compatible with the wattage that is recommended for your oven. A different wattage could damage your oven, or cause it overheat. You can verify the wattage of your oven and the rating of the new heating element by checking their voltage and current ratings on the oven's control panel. Verify the resistance of the previous element, and then compare it to the wattage rating of the new one. The higher the resistance of an oven element, the more power it draws. If your broiler's heating element is malfunctioning or isn't working at all, you must replace it as soon as possible. Your oven must work correctly to to cook your favourite meals. If, however, your oven is not working at all, or is only working intermittently, the issue could lie with another part of your oven. Light Bulb and Assembly The oven light lets you keep an eye on your food cooking without having to open the door and let heat escape. The light also alerts you when your casserole is ready. It's not uncommon for the bulb to fail. It can be frustrating but you can fix it yourself. Before you start, make sure that the breaker hasn't been tripped and that the three-prong connector is intact. First, remove the old light bulb and then locate the new one. It is possible to look online for a replacement bulb that matches the wattage and the type of your oven. Some ovens use normal appliance bulbs of 40 watts some require a halogen lamp up to 50 watts. You should consider using cotton gloves to shield halogen bulbs from the damage caused by oil. Before putting the new bulb in place, you should first remove it from its glass casing. It's crucial to do this slowly so that you don't damage it. After that, you'll need to remove the air from the bulb and fill it up with an amalgamation of gases. This will extend the filament life. If your bulb keeps going out, it could be an electrical issue that needs an expert to fix it. Make sure you're using the correct oven bulb and look over your Use and Care Guide for additional troubleshooting tips. Remember to unplug the oven and turn off the power prior to beginning any repairs. This will help protect your from electrical shock. Vent Tube The vent tube is an essential oven component that permits an airflow within the cavity. This allows the bake element to circulate heat throughout the oven and ensures the temperature is evenly distributed. It also allows vapors to be released from the oven, and smoke to be drawn from the cooking surface. It is crucial for the efficient operation of any gas or electric oven. Vents for ovens can become blocked or clogged due to a variety of reasons. Accidental spills and splatters from cooking can leave sticky residues on oven vents, which could attract dust and other debris that can eventually cause clogs or blockages over time. Grease and oil particles can become airborne and settle around the vents, and vice versa. ovens uk as construction and kitchen renovations can introduce dust into the vents. This can cause clogs. Based on the model of the oven the vent tube may include a spreader, the fill tip 12, and the bottle guide 20 which are incorporated into the pipe 32. For example the bottle guide 20 could have a tapered outer surface which is in harmony with the tapered inside of the spreader 46. This allows the vent tube to be smoothly inserted into different sizes and forms of bottle necks. A clogged or blocked vent tube could cause a loss of pressure within the structure that surrounds it, which can result in a downdraft which pulls exhaust down vent and backwards through the oven's burners, causing damage to the oven components. If you think that the vent tube in your oven is clogged or blocked, call a professional for help. They will identify the problem and provide suggestions on how to clean or clean the vent.