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Gaggia Cubika - pressure bursting group!

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  • Gaggia Cubika - pressure bursting group!

    Just used my (second hand) Gaggia Cubika for the first time and after successfully pouring a shot, the group burst off when removed from pressure build up (coffee granules everywhere!!), and as a result the ON button is now jammed and I had to turn off from the plug. Does anyone know what I can do to,
    a) prevent the pressure burst when removing the group
    b) un-jam the ON button

    Thanks coffee people!!!

  • #2
    Re: Gaggia Cubika - pressure bursting group!

    you just have to wait for pressure to bleed out through grinds, leave group on until you finish drinking your coffee. My Gaggia Carezza is the same but by the time i have steamed the milk and finished drinking coffee, and I always purge steam tube until water flows also. It is then safe to remove. Wait at least 5 or 10 minutes.

    The reason is these do not have a 3 way valve , but use a spring valve to block water coming to the group, pump pressure overcomes the spring and lets water flow to group, but also does not let pressure release, only way it can is via the grinds.

    re the switch unplug it and physically try and un jam the switch. Coffee Parts  may sell spares or Di Bartoli Coffee Centre. or try Jaycar for equivelent if you cant fix.

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    • #3
      Re: Gaggia Cubika - pressure bursting group!

      Thanks for such a quick response, good advice re pressure diffusing. It seems I would have to remove the cover (unscrewing at the back) to get to manually unjam the button, do you know anything about this process?

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      • #4
        Re: Gaggia Cubika - pressure bursting group!

        Thankyou Firepower!! I tinkered, and I fixed! Elation!

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        • #5
          Re: Gaggia Cubika - pressure bursting group!

          here is parts diagram for your model, should help you if you need to tinker more.

          I cant post a link where i find the diagram for many models of coffee machines , but google parts guru should allow you to find it.








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          • #6
            Re: Gaggia Cubika - pressure bursting group!

            Here is wiring diagram

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