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EM6910 dry puck?

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  • EM6910 dry puck?

    I have been using an EM6910 for the last 2 months and am pretty happy with it. However, the puck is never dry after a shot, which makes me wonder whether Im doing something wrong. Ive played around with dose, grind and tamping pressure a bit but it doesnt make any difference.
    Ive also noticed that a bit of water come through the grouphead after the shot switches off (either uisng the manual or the single shot button), so Im wondering if this could be the problem. If so, is this a leak that needs repairing?
    As a newbie, I look forward to your help.

  • #2
    Re: EM6910 dry puck?

    Welcome to Coffee Snobs.

    I know you said youve played with the grind but it sounds like too fine a grind to me.

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    • #3
      Re: EM6910 dry puck?

      If you leave the PF attached while you are frothing the milk you sometimes get some water into the PF and it looks like a wet puck, otherwise as TG said you are probably grinding to fine. The water coming down after you have switched the pour off is just the residue left in the pipes from the pour. Unless it is substantial then it may be a problem. :-/

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      • #4
        Re: EM6910 dry puck?

        Thanks guys. If I grind any coarser, the shot pours much too quickly and the pressure gauge reads low. Do you suggest I compensate by increasing the dose and/or tamping harder?
        ( I do leave the PF attached while frothing; maybe I should check this first?)

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        • #5
          Re: EM6910 dry puck?

          What grinder are you using??

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          • #6
            Re: EM6910 dry puck?

            Sunbeam EM0480

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            • #7
              Re: EM6910 dry puck?

              I know numbers are only a guide bu8t I was grinding at about 12 - 15 for espresso depending on the bean.  

              Have you checked how hard you are tamping on a scale?

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              • #8
                Re: EM6910 dry puck?

                Few questions
                1. What do you mean by " never dry". Does the puck come away from the PF cleanly & complete, or are you saying there is liquid on top.
                2. Do you hear the pressure discharge (into the drip tray) when you stop the brew ? i.e. is the pressure release valve working.
                In my experience if I have the grind too coarse or have undertamped then I have a messy puck, and grinds left stuck in the PF after banging the "bang box", and an under extracted shot.
                A picture or 2 would help to analyse.
                Cheers

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                • #9
                  Re: EM6910 dry puck?

                  The 6910 likes updosing.
                  How much clearance is there from the top of the puck to the top of the basket after tamping?
                  I have found that about 3mm works well with the double basket.

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                  • #10
                    Re: EM6910 dry puck?

                    Hi evermac

                    I have two friend with the EM and one has the same problem and the other doesnt. We tried everything and it made little difference, we even used the beans and the grinder from the guy with a dry puck. Guess what --- no difference. So he took it back to the shop (Domane) and they sent it away. Three weeks later he got it back with a report that there was nothing wrong with it.

                    So the guy with the slightly wet puck stopped worrying about it and enjoys coffee that is just as good the the other guys.

                    So I suggest that you try the suggestions that the obove people have made and if that doesnt work dont worry be happy you are still getting great coffee.

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                    • #11
                      Re: EM6910 dry puck?

                      Stan, m grinder is set on 10. I havent checked tamping with a scale Should I and, if so, how?
                      Techo: there is no liquid on top but the puck doesnt come away cleanly when I bang the PF, theres always some wet grounds that I have to wash away under the tap. I havent noticed the pressure discharge noise, Ill listen out for it tomorrow morning (my next planned coffee). Ill take photos when I have a chance.
                      Thundergod: When I went to the Sunbeam course, they said to fill the pf until the silver of the tamper is just visible ( i guess about 5 mm) and I usually fill just a bit more, so I guess im not far off 3 mm.

                      Im getting a bit confused now, some people say the grind is too fine, others too coarse...

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                      • #12
                        Re: EM6910 dry puck?

                        Level sounds OK to me too.

                        I aim for the pressure guage just hitting the red.
                        Where does yours hit?

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                        • #13
                          Re: EM6910 dry puck?

                          Rio-Negro: Thanks for telling me your friends experience. It sounds like I dont need to worry too much, but Ive got a few things I can try to pull even better shots!
                          Thundergod: My gauge is just beyond the dark brown i.e. between it and the red.

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                          • #14
                            Re: EM6910 dry puck?

                            Id be happy with that then (but not less).

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                            • #15
                              Re: EM6910 dry puck?

                              Well I have some surface moisture on the puck about 50% of the time but the puck comes away cleanly (leaves a little on the side but does not need washing just dry wip) My gauge is just off the dark brown towards the red otherwise it takes too long to pour (like 1 min). The coffee is good. Grind on the 480 is 15-16. It just goes to show that all machines are diffrent and that it is trial and error with them all. Notice on the DVD that no reference is made to the gauge at all.
                              Regards
                              Crisp Image

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