All of the information in this magnetron tube replacement video is applicable to the following brands: Whirlpool Tools used: Phillips head screwdriver, insulated screwdriver, T20 Torx bit screwdriver Replacing a microwave magnetron costs $100 to $200. ( Runs but no heat ) - Duration: 10:30. Check out the video of spotting bad magnetron. The most common reason for replacing the magnetron is when the microwave doesn’t heat and continuity testing proves the magnetron has failed. I also read that it is dangerous in this way only if it's crushed, then inhaled. Considering the array of prices associated with fixing a microwave oven, it is important for appliance owners to understand the different factors which may affect the overall repair cost. This task is much too dangerous for the average layman to perform on his own. The least expensive repair to make on a microwave is to replace a blown fuse, but it may take time for the repair tech to diagnose the problem—time that could add up to more than the cost of a new unit. Find the official OEM replacement magnetron that fits your appliance. The microwave radiation of microwave ovens and some radar applications is produced by a device called a magnetron..

There are two tests to conduct in order to determine whether or not a magnetron has become defective. Magnetron Price. When replacing the magnetron, most repair techs will replace the diode at the same time. Have a certified and experienced appliance repair technician examine and replace your magnetron. Checking and Replacing Magnetron in a Microwave. In some cases, the magnetron may not be in the condition to be repaired and may have to be replaced. This is caused by the magnetron over heating, some instances this is because of reflected microwave energy. I have an LG microwave (just outside of warranty, expensive over-the-range) and the magnetron just failed according to a service guy. So, it better to detects the problem first before choosing to replace/repair. Replacing a magnetron in my particular 9-year-old microwave (a microwave/hood combination) was not a simple “plug & play” operation. “Magnetron” is the name for a specific type of vacuum tube which uses a magnetic field in the process of generating electromagnetic radiation (radio waves). I am a licensed engineer, but I do not have any experience in microwaves. Find the official OEM replacement magnetron that fits your appliance. The microwave should be checked first to confirm the diagnosis. If your microwave model is in the latter category, you’ll need an expert to help you out unless you know a thing or two about electronics repair. NOTE: Before you test this component, make sure your microwave is unplugged, and that you have discharged the capacitor. If the magnetron needs replaced I recommend calling for a service technician to come out & replace it. If you wish to find out whether it is working fine or whether it needs replacement, you can go through the following 2 tests for microwave magnetron replacement: 1. If you’re shopping for one, be sure you’ve got the right type. Replacing a touchpad can cost $50 or less, whereas replacing the magnetron, the part that converts voltage to radiofrequency energy that cooks the food, can cost into the hundreds. This will require accessing the inside components & using a meter to do the testing. It always depends on the amount of damaged happened to the magnetron. We do not advise the customer to remove the cover off of their microwave due to safety reasons. The magnetron generates heat to the microwave and produces the subdued humming sound you hear from your microwave when in use. 2:22. This magnetron was the perfect replacement for the one in my 15 year old GE Profile microwave oven. Hey, I came across a problem with my microwave oven that, it’s not heating the food kept in the oven. “Magnetron” is the name for a specific type of vacuum tube which uses a magnetic field in the process of generating electromagnetic radiation (radio waves). Firstly, unplug the microwave and discharge all the high voltage capacitors. Testing a megnetron. Their first use was in radar sets during WWII. According to Edison Tech Center, the cavity magnetron is the central part of a microwave.The concept of the magnetron was invented in the '30s by Dr. Albert W. Hull in Schenectady, New York.
This task is much too dangerous for the average layman to perform on his own. Symptoms: Weak or no heat, magnetron gets extremely hot (overheats), intermittent arcing or “snapping” sound . My oven is a 36" wide model and there are no replacements for this oven available in bisque. Replace the Magnetron. I have now investigated the problem with the same model of Microwave Oven and found that the yellow wire connector at the base of the Magnetron the crimp connection was high resistant and showed signes of getting hot, which stopped the magnetron working. I took apart a microwave, and when I saw the magnetron, I conviniently remembered that I had heard that magnetrons were dangerous.