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Thread: Advice reg Breville BES870 Barista Express

  1. #101
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    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi everyone! We just bought the Barista Express machine yesterday after trying it out at an airbnb accommodation a few weeks ago. Weve been having trouble woth the setting and was wondering if any of you could identify what we are doing wrong?

    Were using 6 day old roasted coffee beans which have a rich, dark flavor. At first, we used 5 on the grinder setting, used 20g of coffee, tamped using a normal amount of strength and found that the drip turned out too syrupy and was way beyond the espresso range. So we increased the grind to “8”. Same thing happened. We increased and increased and now we are on “11.” The coffee starts pouring at 8-10 seconds and there is good looking crema, however on the gauge, it still stays on the second line AFTER the espresso range mark.

    What are we doing wrong? Should we use a higher grind number so it becomes a bit coarser? Were a bit confused as when we were trying out the machine at the airbnb we stayed in, we were just on grinder setting “5” and our pressure range stayed in the middle of the espresso range gauge. HELLLLP.

  2. #102
    Super Moderator Javaphile's Avatar
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    Ignore the number on the grinder and adjust it until you get the proper pour/taste. The numbers on one grinder have no relation to the numbers on another.


    Java "Adjust to taste" phile
    Toys! I must have new toys!!!

  3. #103
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    I'm not sure on the basket sizes for the Barista Express, but I'm wondering if 20g is too much coffee?

    I believe the Breville tampers are designed so that you can use them as a guide to get the right level - is the level correct?

  4. #104
    Senior Member Erimus's Avatar
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    Between 17/18 grams is the optimum amount for this size of basket. I use 17 grams at the moment. 20 grams is to much, you'll be over filling the basket. Best thing is to experiment as all of these machines vary slightly. When the weight is correct the level will be too.

  5. #105
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    Hi all.
    i really wanted to post my experience and setting with my week old barista express. (Don’t know how to start a new thread)
    I have success (with fresh beans) on grind at 5, and dose at 3’oclock. This gives me 10g single and 18grams double.
    I tamp with good force and get perfect extraction range. I was however getting 17sec pours. Changing grind and dose would over or under extract.
    Then j found this link. And i have perfect shots now!
    after I found this link, my whole experience changed for the better!

    “ It is important to know that the 1 CUP and 2 CUP buttons are going to be programmed for volume only. They are not set for a ’30 second’ shot or a ’20 second’ shot. “


    Set Up



  6. #106
    Senior Member Erimus's Avatar
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    ^^^


    It's very hard to measure volume by sight. If you want this degree of accuracy you'll be better off weighing your shot. I don't bother with the automatic settings I weigh my beans and operate the machine manually and stop when the shot starts to blond. As ever let your taste buds be the judge.

  7. #107
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    Grind Amount Too Large:

    The O.P. was referring to a grind amount that was way too large; I have the same problem. We have 3 machines: two at work, one at home. Two of the machines have an effective Grind Amount knob. On the 3rd machine, the lowest setting (11 o'clock with Single Cup selected) produces about 90% of the volume of a double shot. The other machines at the same settings, same grind size, same beans, produce a small volume for a single basket at 11 o'clock, with a great single dialed in closer to 12 o'clock.

    All "Grind Amount" settings on the bad machine are way too large. The obvious variable is that this machine continues grinding nearly twice as long as the good machines, all else equal.

    My first assumption was that the potentiometer behind the Grind Amount knob was shot. I've replaced the entire left PCB assembly (1875724: Loc 13.1 in https://spares.bigwarehouse.com.au/i...909a7c6bd0.pdf) based on that assumption. It made no difference at all, with the machine still grinding too long and producing precisely the same volume as before.

    Is anyone aware if there's a fine adjustment pot on the main PCB, or any other in-line adjustment with the Grind Amount pot? Alternatively, like there's user programming for the water-run of each cup size, is there a comparable method to set min/max grind durations?
    Last edited by ConfusedBrevilleUser; 25th October 2018 at 05:00 PM.



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