I had a flow error, i thought was bad pump, which turned out to be a blown diode on the power board. I replaced with a larger diode (3 amp rectifying diode from Frys NTE5809), don’t un-solder the old diode, just solder the new one to the old after cleaning the bits from the leads. The 3 amp diode leads are larger diameter then the stock 1 amp diode and will not fit in the holes in the board.
There are two boards in this espresso maker, one is the power board, the other with the CPU board (it has the front panel buttons). I suggest you do not remove the CPU board, as it is easy to tear the ribbon cable to the display.
The cables to the boards can’t be mixed up when reconnecting as Saeco used different connectors for all the connection points.
Parts can be sourced here: https://philips.encompass.com/model/SAEH...