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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 the majority of microorganisms. hob uk is an essential for all bakers. Understanding how your oven functions will help improve your baking, roasting and cooking skills. It can also help you avoid those hot spots that can ruin cookies, cakes and baked products. Thermostat The thermostat is a crucial component of your oven. It assists in ensuring that the temperature of food matches the temperature you set on the control panel. Unfortunately, like any other electro mechanical switch or sensor it can have issues that result in the oven going over heat or under heat, or not be able to keep the temperature at what you've set. The oven thermostat is basically tiny strips of two different metals bonded together. When heated, the metals expand or bend at different rates. This creates an electrical circuit. When the metal in the thermostat reaches the temperature you've set on your control panel it shuts off the heating element's power. When the oven cools down, the bimetallic strip contracts to re-establish the circuit before turning on the heating element. This cycle is repeated continuously to ensure a constant oven temperature. To diagnose a issue with the thermostat, you'll need to disconnect the oven and verify that all screws holding it in place have been removed. If you own a multimeter (which is a device that analyzes the electrical current), set it to the ohms level and then test the thermostat. If the multimeter reads 0 or very close to it, then the thermostat is working correctly and doesn't need to be replaced. If the multimeter does not show anything then the thermostat is not working properly. It is time to get it replaced. Cooker Spare Parts suggests that you replace your thermostat with one of the same type as the old one. They can be purchased through the internet or at a kitchen goods store, and are available at a reasonable cost. Bake Element Ovens are not complete without the bake element, which is the element that heats up to help your oven cook food. It's a simple component that transforms electricity into high temperatures for baking, roasting and broiling. Heating elements are commonly found in electric ranges and ovens and are either covered or concealed under the floor of the oven. In general, oven heating elements consist of high-resistance metals like nickel-chromium. They convert electrical energy into heat through the process of resistance, which then radiates throughout the oven interior to raise the temperature to the desired temperature for cooking different types of foods. When you start your oven the heating element gets to work by generating heat from the high-voltage electrical energy moving across its metal surface. The element is a ribbon or coil (straight or corrugated) of wire, and as the electric current passes through it, it starts to heat up. The element will appear red hot when it reaches the desired temperature. The baked element is the main source of heat for most oven functions. It is usually located at in the bottom of the oven. Many ovens with automatic heating also have it to clean themselves. If it starts to smoke, you might notice that your oven doesn't warm as quickly or your food is not fully cooked. Plug your multimeter in to its black and red ports. Then, you can press the metal probes on one side of the device against each other. Set the other end of the probe against one of its terminals, and then place your hands on it to feel whether the baking element is warm to the contact. If not, take it off and try again. Broil Element The broil element, typically located at the top of your cavity, allows high-temperature temperatures to brown or char food items. The oven's broil setting is an excellent way to quickly cook meat, crisp vegetables, reheat lasagna or caramelize the top 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 metal wires wrapped in insulating perlite material. The core of the element is then covered with a stainless steel outer layer to protect the wires against direct contact with the oven. The three-layer design helps to reduce 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 in line with the wattage of your oven's rating. Utilizing a different wattage may damage 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 will allow you to check the power and rating of your oven. You should also test the resistance of your old element and compare it to the power of the new broiler heating element. The greater the resistance of an oven element the more power it draws. Replace the broiler element as soon as possible in the event that it isn't functioning or if it's acting up. Your oven must function correctly to to cook your favourite meals. If, however, your oven is not working at all or only intermittently, the issue could be in a different area of your oven. Light Bulb and Assembly The oven light helps keep an eye on your food while it cooks without opening the door and let heat escape. The light will also inform you when the casserole has been cooked. It's not unusual for the light bulb to fail. This can be frustrating however, it's an easy fix you can tackle yourself. Check that the breaker isn't tripped and that the connector has three prongs. First, take out the old light bulb and then locate the new one. You may need to search the internet for the right replacement bulb that is compatible with your oven's wattage. Some use standard 40-watt appliance bulbs and others require halogen bulbs up to 50 watts. Be aware that the oil from your hands can damage a halogen bulb, so consider using cotton gloves when handling it. Before putting the new bulb in place, you should first take it out of its glass casing. It's crucial to take this step slowly to ensure that you don't fracture it. You'll have 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 keeps being replaced, it could be a bigger electrical issue that should be dealt with by a professional. Make sure that you're using the correct bulb for your oven and look over your Use and Care Guide for more troubleshooting tips. Make sure to unplug the oven and shut off the power prior to beginning any repairs. This will keep you from suffering an electric shock. Vent Tube The vent tube is an important oven component because it allows for a tiny amount of airflow to be created inside the cavity. This allows the bake element to circulate heat throughout the oven and ensures that the temperature is evenly dispersed. It also allows the vapors that are released from the oven to escape, and allows smoke to be removed from the cooking surface. It is essential for the proper operation of any electric or gas oven. Vents in ovens can get clogged by many factors. Accidental spills or splatters can leave sticky remnants in oven vents. They may attract debris, dust and other contaminants that could cause blockages over time. Grease and oil particles may become airborne and settle around the vents, as well. Other environmental factors, such as kitchen renovations and construction work could introduce dust or other pollutants into the vents, which can cause clogs or blockages. Based on the model of the oven the vent tube could comprise a spreader 46, the fill tip 12, and the bottle guide 20 which are integrated into the pipe 32. For instance the bottle guide 20 could have a tapered outer surface that is complemented by the tapered inside of the spreader 46, allowing the vent tube to be smoothly placed into various sizes and shapes of bottle necks. A blocked vent tube could cause a reduction in pressure within the enclosure, which can lead to an updraft that pulls exhaust backwards and down the vent, damaging the oven's components. Consult a professional if you believe that your vent might be blocked or clogged. They will diagnose the issue and offer suggestions on how to clear or clean the vent.