Originally Posted by
Mal495
sounds like a vacume when I do.
Which reminds me, they ARE like a 'vacume' cleaner, with the open grid front. You could open up the case and check it for dust. Only clean with an AirDuster and only when it is cooled down. I run mine with a cover of fine mesh hosiery hooked over the handles

Great dust filter and lets in the air.
K.