What kind of canister is it? Mine dont make a peep
You might try sitting it on some foam or something to see if its vibrations against the floor or bottom of stand.
"What, exactly, is the internet? Basically it is a global network exchanging digitized data in such a way that any computer, anywhere, that is equipped with a device called a 'modem', can make a noise like a duck choking on a kazoo." - Dave Barry