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Thread: Saeco Via Venezia reduced pressure

  1. #1
    Junior Member
    Join Date
    Mar 2015
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    4

    Saeco Via Venezia reduced pressure

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    I have a two year old Saeco Via Venezia that I use with a bottomless portafilter. The machine has recently started to struggle pulling shots to the point where I have had to adjust the grind size up. I should point out that I use a Baratza Encore. Thinking it might be a faulty ball valve, I changed it (as well as the spring and gasket). No change. I have also descaled and cleaned with Puro. The reason I suspect the problem is a lack of pressure is that when I start the shot the pump noise is regular for a few seconds and then it changes to almost the sound it makes if it chokes on too fine a grind; at that point if I open the steam valve for a fraction of a second it seems to give the pump a little more power (upon closing the steam valve). Sometimes one or two short burst like that seem to do it and the flow returns.

    Other important elements:
    • I have used this grinder since getting the VV
    • I use the same coffee 80% of the time. The issue is the same with my alternate coffee
    • I recently adjusted the steam wand grub screw as recommended by Scooter in these forums (fora?)


    Thank you for taking the time to read about my issue.

  2. #2
    Senior Member
    Join Date
    Jul 2014
    Posts
    105
    You could try cleaning the shower screen. How about tamping pressure? Could it have been creeping up?

  3. #3
    Junior Member
    Join Date
    Mar 2015
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    thank you for the reply kbilleter. The screen is sparkling clean (none of the holes are obstructed). The tamp was a good idea, alas I just tried with a light tamp with the same result. I also spoke to a technician at Seattle Coffee Gear where I had purchased the VV. They don't think it's possible for the machine to loose some pressure. It would either be all on or off completely. I find that doubtful. The research continues!

  4. #4
    Junior Member
    Join Date
    Jun 2014
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    25
    Has the pump been primed before you pull the shot? I mean is it possible that there is no water, or only a little, in the boiler when you start the shot?

  5. #5
    Junior Member
    Join Date
    Mar 2015
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    4
    well, this is embarrassing. Turns out I hadn't cleaned the grinder in a long time. I had run a packet of Grindz through once, but I had never taken it apart and really cleaned out the burrs. I don't use oily beans, but still! In any case the VV is back in business and I am satisfactorily caffeinated.

  6. #6
    Senior Member GregWormald's Avatar
    Join Date
    Jul 2007
    Posts
    2,286
    Good work!
    At least the embarrassment was cheap.

    Greg



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