Questions & Answers for: microwave making high pitch sound

...microwave (countertop model) is making a high pitched humm or buzz, almost can't hear it at all. It's louder when you open the door. It works just fine except the sound. We unplugged it for now. Any ...

...making a high pitched buzz or arc sound when first cooking for about 2 -3 seconds into the cook time. Now it doesn't make that new noise, it warms food some, but does not heat well. The magnatron is ...

microwave, there would be a low pitched "hum" for 1-2 seconds and then a higher pitched "buzz" would be constant until the time expired or the door was opened. It might have been a fan type of sound..

...Microwave continues to run unless door is open. I do not think it is heating though when I shut the door. When I close the door and push buttons nothing happens. I get a high pitched sound when I ...

...sound is a loud, low pitched roar, then again you could still have a shorted mag tube, or a less expensive shorted high voltage rectifier. Either way, unless you are familiar with working on ...

...high current DC power to generate the microwave frequency that cooks the food. Under normal circumstances the magnetron is nearly silent. However if it is damaged or nearly burned out it can begin ...

...microwave makes high picth sqeal while in use and when not in use when you unplug microwave it dies out slowly over 2 to 3 seconds Sounds like a bad capacitor. Careful, they hold a big charge long ...

Microwave makes noise when on What causes noise when on All microwaves make some noise when running. Cooling fans, exhaust fans, turntable motor, transformer, and magnetron all make noise. I assume ...

...Microwave Oven JVM1430BD002... Set cook time... push Start... high pitched noise... Cancel.... Set cook time again... Restart... the noise is gone... this pattern repeats every time I use the ...

My new BEKO oven 22300x makes a high pitched electrical type buzzing/humming noise when it is not in use, anyone know what's up with it? Literally brand new. Thanks Call for Warranty inspection and ...