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Sunbeam em7000 coffee pressure gauge

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  • #46
    Originally posted by Greenbeen View Post
    I'm in the same boat here - Purchased the machine (EM7000) a few days ago but first use was about 15 minutes ago. Terrible results!

    Previous machine was a Sunbeam and it lasted 10 years. Made average - great coffee depending on different factors. Used every type of store bought ground coffee beans and it would still give you something drinkable. But with the Sunbeam EM700 I fear I have entered a world of pain.

    Using ground coffee from Coles, 2 cup basket (that came with the machine) and the coffee has no crema and is bitter. Tried a 1 cup pour on 2 cup basket + a manual pour. On the 1 & 2 cup button push pours the Pressure Gauge does not move. On the manual pour the gauge moved a few millimeters but only once the cup was full to the brim of coffee.

    So if we are talking beans + grinder to solve my problems (if thats the problem) I would have thought if the EM7000 is so sensitive there would be information in the using manual about not only using a grinder and beans but the actual setting for the grinder.
    No grinder is a precision tool that has settings based on exactly how far apart the burrs are etc, not even commercial grade grinders. Even if they were telling you a setting wouldn't be accurate as the grinder setting needed changes with the beans, also as the beans age. Commercial grinders will usually have a range they normally produce best results in, but it's not a super narrow range.

    Were you using the pressurised (or dual wall) baskets with your 6910? Are you now using an unpressurised (or single wall) basket? That would explain the change. With pre-ground coffee you really need to use pressurised baskets. Espresso is a science, but there is an art to it because everything changes with the beans.

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    • #47
      Yep - They were pressurised baskets (didnt even know that until this discussion).

      Really packed in the coffee and got a better result. Only slightly better but it was so hard to get the group head on that I thought I might damage the machine + when it poured, water came out from above the group head so there was way to much coffee packed in. Think I need a more course grind.

      Any suggestions on the grinder - Ive been reading about them for a few days but there is so many conflicting opinions out there.

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      • #48
        Originally posted by Greenbeen View Post
        Yep - They were pressurised baskets (didnt even know that until this discussion).

        Really packed in the coffee and got a better result. Only slightly better but it was so hard to get the group head on that I thought I might damage the machine + when it poured, water came out from above the group head so there was way to much coffee packed in. Think I need a more course grind.

        Any suggestions on the grinder - Ive been reading about them for a few days but there is so many conflicting opinions out there.
        You are correct, you will damage the machine packing that much coffee in. You are incorrect about needing a coarser grind, you need a finer grind.

        As for grinder, depends on how much you want to spend / how long you want it to last. At the cheaper end a Sunbeam EM0480 or Breville BCG820 will do the job but won't last forever. At the other end a Eureka Mignon, Macap M2M or Compak K3 Touch will do the job a bit better and outlast your machine. This Macap M2D is currently for sale on CS: http://coffeesnobs.com.au/coffee-har...nder-used.html

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        • #49
          Thats interesting. I took some ground coffee (have purchased some small bags, different brands, that have been ground in case I get lucky) and put it in a spice grinder to try and get a finer grind out of it. Unfortunately the first one had the pressure gauge go straight to the red and the 2nd one just poured like every other coffee we have got so far - No crema and horrible tasting.

          The Sunbeam EM0480 is on sale at Myer at the moment for $160, was tempted to try it.

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          • #50
            If you get good results from preground coffee it is a fluke and wont be repeatable the next day.

            You really need a grinder and freshly roasted beans.

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            • #51
              A spice grinder is a terrible way to grind coffee. You will get a very inconsistent grind size, leading to inconsistent extraction (the smaller grinds will become over extracted much faster than everything else while the big ones will be underextracted), leading to awful coffee.

              The advice offered here is generally pretty good and given for a reason - there are few shortcuts to good coffee!

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              • #52
                Ha! I've just bought the em7000 and use the breville smart grinder too. I just spent 90 minutes and 20-30 odd shots to come up with the same combo as you've said, 7/8 onthe grind and 18-20 sec time, give approx 19gms of coffee.... wish i had read more first!. I'm finding the pressure gauge is quite 'tamp' dependent too - hard to keep the tamp pressure consistent, c.f dose, grind etc... If i want less coffee, ie 16gms, should i use a courser grind? it's late and im getting confused....

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                • #53
                  To achieve the same flow rate a lower dose needs a finer grind

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