VIBRATING NOISE WHEN WATER COMIG OUT INTO CUP

Question

I HAVE A KEUIG SPECIAL EDITION.  I WOUKD LIKE TO KNOW IF A LOUD VIBRATING NOISE IS NORMAL WEN THE WATER IS COMING OUT INTO THE CUP.  I CALLED THE COMPANY AND THEY SAID TO PUT A MOUSE PAD UNDER IT AS IT COUD BE THE VIBRATION ON MY GRANITE COUNTER TOPS.  I DID THIS, BUT STILL HAVE THE NOISE/