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How to Repair Common Oven Parts The oven is a kitchen appliance that is typically used to cook food. The heat from the oven sterilizes food and kills the majority of microorganisms. All bakers require an accurate oven thermometer. Knowing how your oven functions can help you improve your baking and roasting abilities and eliminate those annoying hot spots that can cause havoc with cakes, cookies and other baked items. Thermostat The thermostat is an important part of your oven. It helps to ensure that the temperature of food matches the temperature you set on the control panel. It could be a problem as with any other switch or sensor that is electro-mechanical. The oven can overheat or underheat, or simply not maintain the temperature you have set. The oven thermostat is essentially tiny strips of two different metals that are bonded. When heated, the different metals expand and flex at different rates, creating or breaking an electrical circuit. When the thermostat's metal attains the temperature you've set on the control panel, it shuts off heating element's power. As the oven cools, the bimetallic strip contracts, re-establishing the circuit and turning on the heating element. This cycle is constantly repeated to maintain a constant temperature in your oven. The oven must be disconnected and all screws removed in order to determine a thermostat problem. Set your multimeter to the Ohms setting, and then test the thermostat. If the multimeter reads zero or very close to it the thermostat is operating properly and doesn't require to be replaced. If the multimeter doesn't read anything, it's likely that the thermostat is not working properly and needs to be replaced. Cooker Spare Parts suggests that you replace your thermostat with one of the same model as the one you have. They can be purchased on the internet or in the kitchen store, and can be purchased at a reasonable cost. Bake Element The bake element is crucial for the proper operation of your oven. It provides heat that allows it to cook food items. It's a basic component that transforms electricity into the high temperatures required for baking, roasting, and broiling. Heating elements are commonly found in electric ovens and ranges and are either uncovered or hidden under the floor of the oven. In general, oven heating elements consist of high-resistance elements like nickel-chromium. They convert electrical energy into heat by the process of resistance, which then radiates throughout the oven's interior to raise the temperature to the desired degree to cook various types of foods. When you turn on your oven the heating element starts to work by generating heat from the high-voltage electrical energy that flows across its metallic surface. The element is a ribbon or coil (straight or corrugated) of wire. When the electric current passes through it, it starts to increase in temperature. When the element reaches the temperature it is intended to it starts to glow red hot. The baked element is the primary source of heat used in most oven functions. It is usually located at lower levels of the oven. Many automatic oven models also utilize it for self-cleaning. You may notice that the oven does not warm up as quickly or that your food hasn't cooked completely. To determine if you have a functioning oven baking element connect your multimeter to its red and black ports, then rub the metal probes against each other on one end of your element. Place the other end of the baking element against one terminal and place your hands on it. If the element feels warm, remove it and test it again. If not, remove it and try again. Broil Element The broil element, which is typically located at the top of your cavity provides high heat to cook or char the food. The oven's broil setting is a great way to quickly grill meat, crisp vegetables, reheat lasagna or caramelize the top of a casserole. The broiler heating element is similar to the bake element in that it converts electrical energy through resistance into heat. It is comprised of an inner core made up of metal wires, wrapped in an insulating expanded product known as perlite. The inner core of the element is covered with an outer layer of stainless steel to shield the wires from direct contact with the oven. The three-layer design helps lower the temperature of the broil element, making it safer than the older models. While here are the findings are able to use any baking or broiling heating element in your oven, you should choose one that matches the wattage rating of your oven. Using a different wattage can harm your oven or cause it to overheat. You can determine the wattage of your oven and the rating of the new heating element by looking at their voltage and current ratings on the control panel of your oven. It is also advisable to check the resistance of your previous element and compare it to the power output of your new broiler heating element. The higher the resistance, the greater power an oven element uses. If your broiler heating element is not working or functions in any way, you should replace it as soon as possible. Your oven must function properly to be able to cook your favourite meals. If your oven does not work in any way, or just intermittently, the issue may be with another part. Light Bulb and Assembly The light allows you to monitor your food while it cooks, without opening the door and let heat escape. The light will also let you know when the casserole is done. It's not uncommon for the light bulb to go out. This can be frustrating, but it's a relatively easy fix you can do yourself. Make sure that the breaker isn't tripped and that the connector has three prongs. First, take out the light bulb that was in use and then locate the new one. It is possible to search online for the right replacement bulb that is compatible with the wattage of your oven. Some ovens have standard appliance bulbs that run at 40 watts and others require lamps that are halogen up to 50 watts. You should consider using cotton gloves to shield the bulbs from the damage caused by oil. Remove the glass casing of the bulb prior to replacing it. It's crucial to do this slowly so that you don't damage it. You'll then need to remove the air from the bulb and replace it with the mixture. This will ensure a longer lifespan of the filament. If your light bulb is constantly blinking it could be due to an electrical problem that requires a professional to fix. Make sure you 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 to unplug the oven and shut off the power before you start any repairs. This will protect your from electrical shock. Vent Tube The vent tube is a vital oven component that allows for an airflow within the cavity. This allows the bake element to circulate heat throughout the oven, ensuring that the temperature is evenly dispersed. It also allows the vapors be released from the oven, and smoke to be drawn from the cooking surface. It is essential for proper operation of any gas or electric oven. Vents for ovens can become blocked by many factors. Accidental spills or splatters may leave sticky remnants in oven vents. They can attract debris, dust and other contaminants that can cause obstructions over time. Grease and oil can also become airborne, and build up on vents. Other environmental factors like kitchen and construction projects can create dust in the vents. This can cause clogs. Depending on hob and oven could include the bottle guide 20 or spreader 46 as well as a fill tip 12 that are constructed with the pipe 32. For example the bottle guide 20 could have a tapered outer surface that compliments the complementarily tapered inner surface of the spreader 46 to allow the vent tube to be effortlessly inserted into different sizes and forms of bottle necks. A clogged or blocked vent tube can cause the loss of pressure inside the enclosing structure, which could result in a downdraft that pulls exhaust down the vent and backwards towards the oven's burners, which can cause damage to oven components. Consult a professional if think your vent pipe could be blocked or clogged. They will determine the cause and make recommendations on how to clean or clean the vent.