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Thread: Breville BES920 Dual Boiler - Owners thread

  1. #1951
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    Quote Originally Posted by NickRPT View Post
    Also have you guys try VST 20g basket on a Breville 920 ?
    I have one and i have found that i can get better shots from the stock filter !
    Anyone here got any experience ?
    A fellow Greek. My mum is Greek anyway, so I'm half...

    Anyhow VST baskets...
    1) they market themselves on their precision... but precision has little effect on taste in the cup
    2) the real reason for VST baskets is their large open area... large hole to metal ratio, so they flow too fast unless you grind finer. Sometimes you want this feature. Sometimes not.
    3) they are more sensitive to puck prep than regular hole area baskets... IOW, they channel and spritz (if you use a bottomless portafilter) more easily than traditional baskets

    Breville baskets...
    1) also very precise, round, evenly spaced holes... but again, precision has little effect on taste in the cup
    2) they have a more traditional ratio of open area to metal, so they flow slower and you grind coarser than VST to get the timing you want

    Bottom line...
    VST baskets are not "better" than the Breville baskets... they just "handle" differently. Very differently. You choose one over the other depending on circumstances. Me? I roast my own beans and rarely if ever have one roast identical to the other, either the beans are different or my roasting skills cause variability. SO, I keep both the Breville baskets AND VST baskets around to use whichever one works better for the bean I have. Just pay special attention to your puck prep with VST, because again, they are more sensitive to spritzing and channeling than the Breville basket. Not that spritzing is the end of the world... Spritz happens.

    -Peter

  2. #1952
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    im at a loss and thinking the machine may need to go to the shop for a repair.
    in the last week i cannot get pressure to go above about 4.5bar. even with the grind on 1 ( its usually around 7 atm).

    any thoughts ? i am used to adjusting the grind depending on the beans , their age etc etc, but this seems something different. also, in the pre-draw period the pressure does not rise..
    thx

  3. #1953
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    Quote Originally Posted by scottanthony View Post
    im at a loss and thinking the machine may need to go to the shop for a repair.
    in the last week i cannot get pressure to go above about 4.5bar. even with the grind on 1 ( its usually around 7 atm).

    any thoughts ? i am used to adjusting the grind depending on the beans , their age etc etc, but this seems something different. also, in the pre-draw period the pressure does not rise..
    thx
    What does the pressure go to when you put a blind basket into your portafilter, or use the gray silicone cleaning disk in the portafilter?

    -Peter

  4. #1954
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    I actually manage to get better looking extraction with the stock Breville basket than the VST , but not in all beans i have try :-)
    I have a feeling that my Breville grinder is not that capable to grind good enough for my VST basket , so i have already order a Sette 270w and i'll keep you updated :-)

    Thank you very much Peter :-)

  5. #1955
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    Nick you might try to see if Breville will send you a shim for your grinders' burrs. That will allow the grinder to be able to grind finer. They were sending them out for free a couple of years ago. If not, they aren't going to be too dear anyway. No more than a dollar, plus post, I'd guess.

    -Peter

  6. #1956
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    Descale Help!

    Bump! Can anyone help me please?

    Quote Originally Posted by Kettles View Post
    Hi all, I have now diligently followed the descaling video from Beauty and the Barista on YouTube 3 times. I am frustrated to the max as I still have DESCALE! showing on the screen. Can some kind souls who know their machine backwards and successfully descale please view this video and confirm whether the process is correct as demonstrated or not. This is doing my head in.
    https://youtu.be/_VAkjB2qC9c
    thanks so much.

  7. #1957
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    Quote Originally Posted by Kettles View Post
    Bump! Can anyone help me please?
    When I descaled mine I had to perform a reset to clear the indicator.

  8. #1958
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    Quote Originally Posted by pcrussell50 View Post
    What does the pressure go to when you put a blind basket into your portafilter, or use the gray silicone cleaning disk in the portafilter?

    -Peter
    why didnt i think of that. good pressure using the cleaning disk, so i decided to give the grinder a good clean out... that did the trick.... thanks

  9. #1959
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    Peter there is not a problem for fine grind !
    Breville grinder can go very fine and not they have add inside the micro metric adjustment , that work like shim !
    The problem is that once you go fine the coffee it comes out like small pieces and not fluffy !
    I did the test today and the stock basket with 20g coffee hold way better pressure than the VST at 20g !
    VST starts with 10 bars and then at less than 20 secs drop down to 7 bar !
    The stock starts with 9,5 bar and drop down to 8 bars till i stop the extraction at about 30 secs.

  10. #1960
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    Quote Originally Posted by homebaristauk View Post
    When I descaled mine I had to perform a reset to clear the indicator.

    Yes, I did try that, but no good. I may have to refer this to Breville with little hope of them sorting it.
    Thanks for your assistance homebaristauk.
    homebaristauk likes this.

  11. #1961
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    We owned this machine for just under two years. It was great and had many convenient features. Being able to set it to wakeup and heat up in the morning was awesome. We also couldn't clear the descale message.

    About a month ago the steam wand developed a leak so we took it in for repair as the warranty was about to run out. It turns out one of the boilers has corroded and water has caused rust on many of the internal components. It was prohibitively expensive to repair so they replaced it with a brand new model. Disappointing that this happened to the machine in under 2 years of use. We were really happy with the coffee it produced before the incident though!

  12. #1962
    Junior Member thecafeninja's Avatar
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    Breville BES920 Dual Boiler - Owners thread

    Hi guys, I just bought one of these machines having had a sunbeam 6910 for 8 years of faithful service! So far Iím very disappointed as Iím getting poorer coffee than the 6910. Iíve played around with the dosage and grind considerably and have gotten a nice fine, thin pour but despite having tried 3 different types of beans (Pablo & Rustyís / coffee emporium/ grinders) I am getting minimal crema with either (not even covering the surface of the cup. Bizarrely the supermarket bought grinders is providing the thickest crema. (And even that is too thin to cover the surface). Iíve noticed the pucks are a little bit moister than with the other machine. Iím also wondering why during the pre-infusion there is no rise in pressure on the gauge given that itís supposed to hit 60% pressure. It seems to go straight to about 9.5 bars after 10 seconds then slowly drop to about 8 as the pour progresses (I have it set at the factory default of 7 seconds). I have grinder set at 18 second grind with 8 grind size. Am I doing something wrong or is this typical machine behaviour? Would greatly appreciate any advice.
    Last edited by thecafeninja; 2 Hours Ago at 07:23 AM.

  13. #1963
    Senior Member prydey's Avatar
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    If the puck is still a bit moist on top, maybe try increasing the dose slightly. This should also help stop the pressure dropping during extraction. Sounds like you could go slightly finer on the grind also.

    As for pre infusion, you can change it slightly in the settings but the factory setting of 6 or 7 seconds is pretty good generally. The pressure gauge should rise slightly (somewhere between 1-3bar) and then you should hear a slight change in pump sound as it ramps up to full pressure. Personally I like to see the gauge hit 9.5 bar before I see coffee come out. If it starts pouring sooner I go finer.

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