Yeah. I had this problem a couple of times. Both times I sent it back to them. They said they cleaned and presto!, it worked for about another year before acting up again. There's actually a class action lawsuit out there right now about this. http://www.ps2settlement.com/
That's their website. If you don't have the receipts like me,
, I would recommend taking it to a licensed technician in your area and have them just open it up and clean it out.