Why does the refridgerator Bark? Its a funny noise sounds resembling its barking. But annoyin clamour too!

Its a funny noise sounds resembling its barking. But annoyin clamour too!
Answers:    Are u sure Duke is not back near? ha ha
there are a number of things it could be... according to everyone here.. I dream up Bill sounds like the closest one to man on target.. it is the freon..
let's just hope is doesn't travel out.. like the a/c did ultimate summer..
it works on freon as well..
I haven't read any article about Lucy????
bear care
it could be the rime maker mine does that too occasionally!!
lol it does nouns like bark!