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How to Repair Common Oven Parts The oven is an appliance in the kitchen that is commonly used to cook food. The heat from the oven sterilizes food and kills the majority of microorganisms. All bakers need an accurate oven thermometer. Knowing how your oven works will help improve your baking, roasting and cooking skills. It will also eliminate those annoying hot spots which can ruin cakes, cookies and baked products. Thermostat The thermostat is among the most vital components of your oven, helping to make sure that the temperature of your food is in line with what you've set on the control panel. As with any electronic mechanical switch or sensor, it may have issues that result in the oven going over heat or under heat, or just not be able to maintain the temperature at what you've set. The oven thermostat is essentially tiny strips of two different metals joined. When exposed to heat the different metals expand and flex at different rates, creating or breaking an electrical circuit. When the metal in your thermostat reaches the temperature that you set on your control panel it will turn off the heating element's power. As the oven cools down, the bimetallic strip contracts to re-establish the circuit before turning on the heating element. This cycle continues for a long time to ensure a constant oven temperature. The oven must be disconnected and all screws removed to diagnose a thermostat problem. Set your multimeter to the Ohms setting and then test the thermostat. If the multimeter shows zero or close to zero, the thermostat is functioning correctly and does not need to be changed. If the multimeter does not read anything it means that the thermostat is defective. It must be replaced. Cooker Spare Parts suggests that you replace your thermostat with a similar type as the previous one. The thermostats are sold at a reasonable cost online or in the kitchen store. Bake Element Ovens aren't complete without the bake element which creates heat to make your oven cook food. It's a simple component that converts electricity into high temperatures for baking, roasting, and broiling. Electric ovens and ranges often include heating elements that are either visible or hidden beneath the floor. In general, oven heating elements consist of high-resistance elements such as nickel-chromium. They convert electricity into heat through resistance. This heat is then radiated through the oven's interior to attain the desired temperature to cook various types of food. When you switch on your oven the heating element gets to generate heat through the high-voltage electricity moving across its metal surface. When electricity flows through it the element gets heated up. When the element reaches its temperature, it starts to glow red hot. The baked element is the primary source of heat in all oven functions. It is usually located at bottom of the oven. A lot of ovens that are automated also utilize it to clean themselves. You may observe that the oven doesn't warm up as quickly or that your food hasn't fully cooked. Plug your multimeter in to its black and red ports. Then, you can press the metal probes on one side of the element against each other. Place the other end against one of its terminals and put your hand on it to feel whether the element is warm to the contact. If not, remove it and try again. Broil Element The broil element is usually located at the top of the oven cavity and provides high-temperature heat similar to grills to cook or brown food. Broil settings in ovens are ideal for quick cook meat, crisp vegetables, reheat lasagna, or caramelize the topping of the casserole. Similar to the bake element the broiler heating element transforms electrical energy into heat via the process of resistance. It is comprised of an inner core comprised of wires made of metal, encased in an insulating, expanded material called perlite. The inner core is enclosed in an outer layer of stainless steel to protect the wires from direct contact with the oven. The three-layer design can help reduce the temperature of the broil element, making it more secure than older styles. You can use any heating element to bake or broiling in your oven. However, you should select one that matches the wattage of your oven's rating. A different wattage may cause damage to your oven or cause it overheat. You can verify the wattage of your oven and the rating of the new heating element by looking at their voltage and current ratings on the oven's control panel. Examine the resistance of the previous element, and then compare it to the wattage ratings of the new element. The higher the resistance of an oven element the more power it uses. Replace the broiler element as soon as possible If it's not working or is acting up. It is essential that your oven function properly so that you can cook your most loved foods. However, if your oven isn't working at all or only intermittently, the problem could lie with another part of your oven. Light Bulb and Assembly The oven light helps keep an eye on the food while it cooks without opening the door and let the heat escape. The light will also inform you when the casserole is done. But it's not uncommon for the light bulb to fail. hobs can be frustrating but you can fix it yourself. Before you start, make sure that the breaker hasn't tripped and that the three-prong connector is in good condition. First, remove the light bulb that was in use and find the new one. You may need to search online for the right replacement bulb that is compatible with the wattage of your oven. Some ovens use standard appliance bulbs that run at 40 watts and others require an halogen lamp that can reach 50 watts. It is recommended to use cotton gloves to shield halogen bulbs from the damage caused by oil. Before you put the new bulb in, you should first take it out of its glass casing. Do slowly to avoid breaking it. Then, Best place to buy oven and hob 'll have to evacuate the air inside the bulb and fill it up with a mixture of gases. This ensures a longer life for the filament. If your light bulb is constantly running out, it could be an electrical problem that requires the assistance of a professional. Be sure to double check that you're using the correct bulb for your oven and look over your Use and Care Guide for more troubleshooting advice. Also, remember that it's recommended to unplug your oven and disconnect it 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 that allows for a tiny airflow inside the cavity. This allows the bake element to circulate heat throughout the oven, making sure that the temperature is evenly distributed. It also allows vapors from the oven to escape, as well as allows smoke to be drained away from the cooking surface. It is essential for the proper operation of any electric or gas oven. Vents in ovens can get blocked due to a variety of factors. Accidental spills or splatters could leave sticky residues on oven vents. They can attract debris, dust and other contaminates that could cause blockages in the course of time. Grease and oil particles may become airborne and settle on the vents, as well. Other environmental factors, like kitchen and construction projects can introduce dust into the vents. This can cause clogs. Based on the oven model the vent tube could include an a bottle guide 20, spreader 46 and fill tip 12 that are formed with the pipe 32. For example the bottle guide 20 may have a tapered outer layer that compliments the complementarily tapered inner surface of the spreader 46. hob allows the vent tube to be effortlessly placed into various sizes and forms of bottle necks. A blocked vent tube could cause a decrease in pressure inside the enclosure, which can cause an updraft that pulls exhaust forward and down the vent, damaging the oven components. Consult a professional if believe that your vent may be clogged or blocked. They will identify the issue and provide recommendations for removing or cleaning the vent.