Questions & Answers for: makes loud roaring sound Microwave Ovens

...LOUD ROARING TYPE NOISE If the unit sounds like it's operating normally but the food doesn't come out warm it can be a few things. I have only fixed a few microwaves and so far have found exactly the ...

Makes a loud roaring sound when it is turned on. Is it safe to use? I would say it wasn't and the magnetron or HV Diode requires attention. Hope that helps.

...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 ...

makes a loud roaring sound when start is pressed to cook something. The turntable turns and lights go on, but sound is horendous. We quickly stop it fearing it might be melting down. Most likely it is

makes a lowd roaring noise That would likely be a shorted high voltage rectifier diode or a bad magnetron.A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like

...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 you mean ...

...makes a loud roaring sound when it turns on and won't heat. mh7155xms Sounds like it could be a bad magnetron. The roaring could be a shorted mag or possibly a mag arcing in the wave guide If it is ...