I recently opened my Saeco Incanto Rondo in order to fix a problem with the grinder, I managed to fix it and to put everyrthing back in place However, when I push to button to make a cup of coffee, the only thing I get is grinded coffe beans. There is no espresso coming out - instead there are rinded beans in all three trays on the inside. The machine is able to make steam, but it seems that the water flow is not activated during the brewing process. Please help!

Coffee Makers & Espresso... - Saeco - Incanto Classic Espresso Machine