Shrieking Microwave!

[Rosie55]

My son's Sharpe ( R-341 ) microwave emitted a shriek this evening while it was in operation! Does anyone know what could have caused this?

[Lakitu]

Were you hurting it?

[Rosie55]

Just knew someone would say that!

[Lakitu]

Sorry, I couldn't resist it, please forgive my predictable sense of humour x

[puddicat]

is there a cat missing!!

[Rosie55]

OK I'll rephrase it! It did shriek so could there be a fault - and is it dangerous?

[romko]

has this happened once? or repeatedly?
chances are its the fan bearings - worn out. try and see if you can make it happen again. maybe post a vid to you tube , as we haven't got much to go on...

[PatriciaH]

What was being cooked at the time ? tonight i put steamed veg in sachets in my microwave - it did say on the bag it might make a noise because of the escaping steam... sounded really weird to me but at least i knew what it was, it sounded like a screetchy eeeeeeeeeeeee sort of sound

[Rosie55]

Many thanks to the constructive folk - I will check things further - but I must say that the jokey answers did make me laugh!!
Thanks all!