future27 Senior Member Joined: 4 May 2008 Posts: 3 Location: S.Korea Expertise: I live coffee
Posted Tue May 13, 2008, 8:52am Subject: What is the problem with my Vibiemme Domobar Super?
I need some help.
Till 2days ago there was no problem with my Vibiemme machine. Since yesterday, however, The crema I have made epresso from my domobar was like the picture below. small bubbles...
I adjusted OPV a little yesterday morning. Now I have 10.5bar of boiler pressure. did the adjustment cause this trouble? I'm very frustrated now..
I've contacted some friends. But they didn't know why. So I hope to hear great advice from coffegeeks here.
Posted Tue May 13, 2008, 10:13am Subject: Re: What is the problem with my Vibiemme Domobar Super?
KJ- The OPV valve does not change the boiler pressure, but the brew pressure. If you were trying to adjust the boiler pressure with the OPV valve, your brew pressure may be way off.
Posted Tue May 13, 2008, 6:03pm Subject: Re: What is the problem with my Vibiemme Domobar Super?
if you run into a problem with he VBM D/S, the problem is most likely to be caused by one of three things: - The coffee - The grind or the grinder - Your technique
What you are probably experiencing is the release of gases from the coffee from a batch of very fresh coffee- or at least, fresher than you are accustomed to.
future27 Senior Member Joined: 4 May 2008 Posts: 3 Location: S.Korea Expertise: I live coffee
Posted Tue May 13, 2008, 9:40pm Subject: Re: What is the problem with my Vibiemme Domobar Super?
I appreciate your answers.
As you mentioned, I used coffee beans which was roasted the day before brewing. hmmm, I will try later after degassing my beans . Before that, I have to buy some to Starbucks today..
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