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Brewing Pressure Issue - Breville Barista Express

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  • Ladvlad
    replied
    All good. Thanks for your thoughts.

    No, just the portafilter by the looks of it.

    I've just run few shots using the pressurised basked without coffee. Similar effect. Once the pump kicks in post infusion it drops pretty much immediately. Tried to upload the video on here but it won't allow it.

    When running the backflush cycle the machine can't sustain the full pressure cycle like it normally would.

    Seems like a pump issue but strange that it kicks in at all.

    Leave a comment:


  • level3ninja
    replied
    Sorry if I wasn't clear, I mean is there water going into the drip tray from somewhere other than the portafilter, like the solenoid drain etc. My point is, is the pump still making water flow and it's going the wrong way, or is the pump not pumping?

    Leave a comment:


  • Ladvlad
    replied
    Yes, it continues to flow through the filter and into the drip tray but there is no pressure and therefore no extraction.

    I took the showerscreen off and the gasket behind it and the gasket may need to be replaced but I'm not convinced this is the issue here.

    Sounds maybe like the pump faisl. Literary it gains pressure fully and then a second later it drops it all together.

    Leave a comment:


  • level3ninja
    replied
    Is there water flowing into the drip tray once this happens?

    Leave a comment:


  • Ladvlad
    started a topic Brewing Pressure Issue - Breville Barista Express

    Brewing Pressure Issue - Breville Barista Express

    Hi Everyone,

    Wondering if some of you have had this issue before and may know how to fix it?

    Have been using my Breville Barista Express for over two years without any issues and pulling some great shots. However, about a week ago the problem of sudden drop in pressure during brewing started. Basically it will drop from full pressure to nothing half way through the extraction.

    Issue:
    -Pre-infussion commences and is normal
    -Pump then kicks in and pressure gauge will increase to normal level -Few seconds later the pressure would basically sound like a "blow up", hiss, and drop immediately with water still flowing but no extraction.

    This now happens on every attempted extraction. No idea where to even start.

    Thanks heaps for any thoughts and let me know if you need any more information.

    Vlado


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