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Gaggia Classic problem
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Discussions > Espresso > Machines > Gaggia Classic...  
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Omer
Senior Member


Joined: 29 Jun 2013
Posts: 3
Location: israel
Expertise: Pro Barista

Posted Sat Jun 29, 2013, 3:21am
Subject: Gaggia Classic problem
 

Hi all,

My Gaggia classic recently started to poor the coffee too fast, no matter what the grinder level is (WPM grinder).
the grinder is in perfect shape and is 1 year old. also checked its blades and they are still like new.
does anyone have a clew what can cause this problem ?

thanks
Omer
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,052
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Sat Jun 29, 2013, 3:46am
Subject: Re: Gaggia Classic problem
 

Welcome to CoffeeGeek!

Anything else you changed recently? Did you clean the grinder, before that issue started? What kind of beans do you use and how fresh are they?

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Omer
Senior Member


Joined: 29 Jun 2013
Posts: 3
Location: israel
Expertise: Pro Barista

Posted Sat Jun 29, 2013, 4:18am
Subject: Re: Gaggia Classic problem
 

Hi,

Yes, did clean my grinder & the Machine. checked both twice, seems everything is in its place.

I use HouseBarnd Golden (North italy) beans, fresh & kept in Vacuum.

Omer
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dorkroast
Senior Member
dorkroast
Joined: 3 Oct 2012
Posts: 88
Location: CA
Expertise: I live coffee

Espresso: Gaggia Classic
Grinder: Mazzer Mini
Drip: Cheapo Melitta pourover
Roaster: Behmor, Popcorn Pumper
Posted Sat Jun 29, 2013, 7:55am
Subject: Re: Gaggia Classic problem
 

The vast majority of the time when espresso comes out of the machine too quickly it is because the grind is too coarse. I'm not familiar with the WPM grinder at all- never heard of it. You mention the "blades"....is this actually a blade grinder or a burr grinder because it does make a huge difference.

And by describing your beans as "fresh"- how "fresh" are they? Fresh like out of a can from the market, or fresh like they were roasted locally yesterday.

We need to have some common language and terminology to work with so we can help you out.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,022
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Jun 29, 2013, 9:22am
Subject: Re: Gaggia Classic problem
 

I do not know why the change, but if you have a "blade" grinder not burr you will have problems getting espresso. It takes a burr grinder with fine steps or stepless to stay on range.  Bean age changes, humidity changes ...

Did you adjust the OPV?

 
D4F also at
http://www.gaggiausersgroup.com/
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,052
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Sun Jun 30, 2013, 2:06am
Subject: Re: Gaggia Classic problem
 

dorkroast Said:

The vast majority of the time when espresso comes out of the machine too quickly it is because the grind is too coarse. I'm not familiar with the WPM grinder at all- never heard of it. You mention the "blades"....is this actually a blade grinder or a burr grinder because it does make a huge difference.

Posted June 29, 2013 link

The WPM is identical in construction with the Sunbeam EM0480 or the Graef CM80. It's a stepped conical burr grinder that is capable of grinding fine enough for espresso, albeit not always ex factory. It sometimes needs to be recalibrated by installing special shims, that enable it to grind finer.

Omer Said:

I use HouseBarnd Golden (North italy) beans, fresh & kept in Vacuum.

Posted June 29, 2013 link

That doesn't tell us how fresh those coffee beans actually are. When were they roasted? You live in Israel, yet use coffee that was roasted in Italy. Unless they ship it to you directly after roasting it will be anything but really fresh. Are you familiar with Babbie's Rule of Fifteens?

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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