%PDF-1.5 A malfunctioning door switch can also cause this problem in both countertop and built-in microwaves. An unresponsive touchpad is likely the result of a faulty membrane switch or control board. A tray that won’t turn can result in poorly cooked food, and definitely requires repairs. This likely goes without saying, but if you have a traditional countertop microwave, you should first make sure that the appliance is plugged into an electrical outlet. I wonder if I need to replace the outlet. While testing the magnetron, disconnect the attache… It may just be a temporary circuit-board issue that can be reset by unplugging and plugging the microwave back in, says Appliance Service Station. Microwave Light is Dim or Not Working: Some people complain that the microwave light is very dim … Physical characteristics can change and cause magnetron to oscillate at frequencies slightly higher or lower than 2.45 GHz. The magnetron is more likely to fail than the capacitor. You can test a new diode with the same procedure of creating a series circuit and confirm that there is an appropriate drop in voltage. …etc. 3. There is no reason for you to deal with a malfunctioning appliance, and by educating yourself on some of the most common microwave repair problems, you’ll be ready to fix any issues that come your way. If your unit’s exhaust fan is not working, there may be a problem with its charcoal filter or grease filter. They are Magnets Cracking, Burned out terminals, Burned antenna/dome, a loose connection of magnetron, Resistance continuity. ===== Cracked Magnet(s) This is caused by the magnetron over heating, some instances this is because of reflected microwave energy. After this, discharge the high voltage capacitor and test. Problems with tray movement can also be the result of a cracked or broken roller guide. I have a G.E. The drive motor provides the rotating motion necessary to spin your tray, and replacing the motor will likely resolve the problem. For additional assistance with all your microwave repair needs, be sure to contact a professional appliance repair service. The door switch signals when the microwave is closed, and when the unit can begin cooking. Microwave plate does not spin. Here are some causes of the failure of a magnetron. [�d���6�k���\�4`��5]�1�^}�c���������,d���B�[|��'�ݻ�j���劬���:DQ 4) High Voltage Diode To inspect or replace the motor, you will need to unplug the appliance and remove it from its built-in position before disassembling your microwave to access the fan. One of the important components of the magnetron is a special cap that maintains the vacuum of the pipe.If the problem is in it, then it will not be difficult to replace it. How to Avoid Holiday Appliance Repair Problems, Family Friendly Kitchen and Appliance Hacks, Should You Repair or Replace Your Small Appliances, 6 Reasons Why We Need to Keep Our Appliances Clean, Getting the Bad Smells Out of Your Microwave. Microwave diodes send and receive signals, which can cause them to short out over time. x��Wmo�F�n���>J��y�a���!�uC�bX��Ȕ�Xl��ۮ�~iq�F�7�뉐�������,�� �A�z���T@A8��Z�r`�@�j���������������K�^�o}�B,xs�4nM��H�4�@����(mEߟ�Xؽ���.^������c���;����=)��c��g"ҿ��O�������Q��@c������7�� In a microwave there is a rotating motor below the plate which is … Generally, sparking that is not repeated is not cause for concern, except that the potential failures caused by poor emission, excessive application of And if it blows the fuse for your kitchen, there also is a likely cause for that. To replace the magnetron in your microwave oven, you will need to uninstall the appliance… If your microwave oven blows a fuse, there are a couple possible causes. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> The Microwave Light Bulb is not working. Over time, repeated use can damage the guide, impeding the tray’s movement. You’ll notice this problem when the appliance fails to heat food or liquid. A clogged filter will prevent your fan from working, and cleaning or replacing the filter will likely fix your problem. Overheating of Magnetrons. ARCING INSIDE THE MAGNETRON Arcing, the phenomenon that represents high voltage breakdown between electrodes inside of the magnetron has complicated causes. Insulator Breakdown. You don’t want to finish a microwave cycle only to discover your dish has not been heated. Structural failure can cause leakage from magnetron housing. It was working fine until last week since then it has stopped heating. A microwave’s glass tray typically sits atop a roller guide, which helps the tray stay on track while rotating. You obviously need a microwave that runs, and a unit that will not turn on … I searched at the Internet and thought it was the magnetron. This cause happens when the damage occurs to the magnets of the magnetron, this result in reducing the magnetic field. Burned Dome ( or Antenna ) caused by the magnetron is more likely fail. A clogged filter will prevent your unit from operating slightly higher or lower than 2.45 GHz feature a tray won... Magnetron in a microwave magnetic field both countertop and built-in microwaves noise while in use, providing even to. Use, providing even heat to microwaved dishes s high-voltage capacitor failure from a qualified appliance repair technician with... 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