My Frigidaire microwave oven is not heating. My micro is around 11 years old. I fix microwaves for a living, they store over 4 thousand volts in the high voltage section, and if you don't know what you are doing, don't take the cover off.Yours could be one of several problems, if it programs and goes through all the motions but no heat,then you have some type of high voltage problem, that could be a bad high voltage transformer,capacitor,magnetron on rectifier.take it too a pro or have a pro come to your house.good luck, + like rj713 said "in complete agreement", 06/21/2011 by Take the red and black leads and place one lead into each of the transformer wires. • Plug the microwave into a different power outlet. john a, the high-voltage capacitor in most microwave ovens is bridged with a high-value bleeder resistor for safety. Locate the transformer.

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You'll have to remove sheet metal housing. You'll probably get tired of the oven before the tube burns out. GE WB56X10822 Touchpad and Control Panel Microwave, Samsung De94-02517c Assembly Control Panel. I fixed nearly 200 microwave ovens ( customers returns from shops) and only about 4 magnetrons need replacement, usualy in branded models. Next, find a way to take off the timer from its place. Note their locations for reattachment. Easiest way to find verified & reliable service professionals. The test should produce a reading of infinity - indicating an open circuit. There is a certain conductive coating on the touchpad which can go defective with repeated usage. The reason I felt safe in tackling this job is that I'm an electronics engineer with 40 years of experience, including training in vacuum tube circuits. I understand, no power at all. Will smell burning smoke from apliance, it is from high voltage transformer. I am sure tht many answers blame magnetron is faulty. Heating And Cooling – Should You Repair or Replace Your System? Door switches are so the microwave doesn't run and leak out any radiation, the fuses are slow blo 15 amp fuses that you can't see inside all micros have had them since their first design hit the market and how come your scaring the poor guy about the so called dangers of the high voltage in micros? The power goes off before the cook time has elapsed • If there has been a power interruption, remove the plug from the outlet; wait 10 seconds, then plug the microwave in again. Turn on the Multimeter and read the voltage. I STRONGLY SUGGEST NOT TO MESS WITH THIS. My 10 yr old Electrolux stopped working several times. I'm not familiar on how to repair a Microwave Oven, mine is a vintage built-in Whirlpool MO inclusive when the house was newly built in 2005 that stop working recently but, lighten upon reading your passage on the topic. Strictly from an academic point, it could be the power diodes or a defective capacitor.

Then, touch one of the meter's probes to a magnetron terminal and the other one to the metal magnetron housing. Tiny Box Tim. Accessibility. ft. Top-Load Washer - White, Kenmore 4-Burner LP Stainless Steel Gas Grill. oldturkey03. Again look for video on UTUBE if you are unsure of what a diode and magnetron look like and how to replace them. Place the red lead into the red wire and black lead into the white wire. I have provided a link To Sears Home Services if you decide to schedule service. In case the control board doesn’t generate a low voltage signal then you may need to replace it. Respected Sir, The failure also disables the magnetron. India's #1 trusted Online Home Services Aggregator.