Pet Food. Microwaves function by creating electromagnetic waves that cause the … That means you should be able to cook and heat food in a typical microwave oven for 2,000 hours before the oven loses power. If you select cooking time for 10 minutes and set the cooking power to 50%, then the MW will cook the food for 10 minutes by using only 400W (½ of the maximum power). Interestingly, microwave-safe food containers do not get hot unless there is food in them, in which case the heat is secondary to the food. Materials containing water (i.e. Hopefully, you did not let it go too long. So, inspect the heating elements carefully to see if you notice any damage. How to test microwave magnetron with a multimeter: Malfunctioning voltage transformer. Check the inside of the microwave. The microwave needs the moisture in the food to absorb its energy. Owing to our dependence on such devices, it becomes necessary to learn the basic skills required to tackle common microwave problems. The first microwave oven injury was reported in 1973. If the problem isn’t due to a defect or damage then it will likely be due to the temperature sensor. This phenomenon has two causes: The food's mineral content and the shape of the food itself. This can mean you have a utensil or piece of metal in the microwave. And of course, if the can is metal, you’ll be just as startled as your four-legged friends when the microwave suddenly explodes. In good condition, this device operates silently. Elements burning out or the wiring becoming damaged over time can result in your getting burnt or unevenly cooked food. There is a high voltage transformer in a microwave that produces high voltage to charge the magnetron. Unfortunately, those unfriendly noises your hearing from your appliance commonly indicate the magnetron is burning out. After several years, the oven showed a malfunction manifesting by burning the food. A microwave that does not heat up may have a broken magnetron. Not only do you risk burning your pets’ sensitive tongues, but you could destroy the careful metabolic balance of the food by exposing it to heat. 3. Upon charging the magnetron emits radio-waves which travels through the wave guide and enter the food area to cook or heat your food. The first woman noticed burning sensations in her fingers and very little pain or tenderness when nearby to the operating oven. GENUINE Frigidaire 5304473092 Microwave Rack Support. Stop the microwave from working and wait 5 minutes or so before removing the metal object in the microwave to avoid getting a burn. If it is broken, it may blow a fuse in your microwave which could lead to other components failing. food and body tissues) absorb the energy from microwaves. Diode burn. Two women operated a microwave oven in a department store snack bar. 5. If your MW is 800W and you select cooking time for 10 minutes by using only instant/fast select button(s) the MW will cook the food for 10 minutes with full power using all 800W. Food may have splattered on the walls of the microwave and the food may continue to cook. This may not seem like a lot of time until you think about how you use your microwave oven. With its operating simplicity and speed of performance, it is an essential part of the modern kitchen. The magnetron in your microwave is responsible for creating the frequency that cooks your food. BONUS! 2 Once absorbed, the energy turns into heat, which is how a microwave cooks or heats food. Common microwave problems and faults and how to fix them The microwave oven has to be one of the most popular household appliances ever devised. The typical microwave magnetron tube has an average life of 2,000 hours of operation. The high voltage diodes could be shorted or burned causing sparking inside microwave. Universal Microwave Diode Compatible for GE WB27X10597 Whirlpool W10492276 and Others 2 PCS. GE WB27X10930 Microwave Diode. This is the part that makes the heat to cook the food. 4.