HiMy name is Danell, and I use a La Marzocco Linea 2EE (I think that is it) at work, and just recently, it started to make a buzzing noise when I pull shots. But only sometimes, and most of the time, I am using the hot water or steaming milk. The buzzing noise stops immediately stop the water from coming out through the group head. I was hoping you might be able to help me find a solution.Thanks.
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