Ive had my Rancilio Silvia for a while now and just the other day it started doing crazy things. After filling the porta filter with coffee, tamping etc... I clamped it on to the group head pressed the button and waited..only water started spraying out of the top of the PF down the sides. The gasket is clean, I tried many more times varying the amounts of coffee in the filter.. but nothing helps. too much pressure, not enough???
any ideas out there?
thanks
any ideas out there?
thanks

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