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Troubleshooting a new Gaggia Classic
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Discussions > Espresso > Q and A > Troubleshooting...  
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pimes
Senior Member


Joined: 29 Jan 2014
Posts: 1
Location: Mississippi
Expertise: Just starting

Posted Wed Jan 29, 2014, 7:27pm
Subject: Troubleshooting a new Gaggia Classic
 

I just received my new Gaggia Classic and Rancilio Rocky in the mail today. Very excited. Having a hard time troubleshooting a problem though. I primed the machine by running water through the steam wand and the group head. Using the standard commercial portafilter basket, I ran some water through the portafilter to help warm it and to make sure everything was flowing properly. Everything looked good.

I ground my beans, tamped them and hit the brew switch. After 20 seconds I had only gotten a little dribble of coffee and it smelled burned. Tried it again, this time tamping less, but I got the same results.

Any ideas on what's going on?

Thanks in advance. These forums were great when I was making my buying decision.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 1,981
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Wed Jan 29, 2014, 10:59pm
Subject: Re: Troubleshooting a new Gaggia Classic
 

Peter, welcome to CG.

A great place to start if not already read

http://www.espressomyespresso.com/

   12 - EASY GUIDE TO BETTER ESPRESSO AT HOME

If you have made a grind and tamp and nothing is coming through, it sounds like the grind is to fine and is choking the machine.  Back off a click or two and try again and find the right spot.

The Rocky will not make it easy as the steps are too large :)

 
D4F also at
http://www.gaggiausersgroup.com/
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,672
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Thu Jan 30, 2014, 7:28am
Subject: Re: Troubleshooting a new Gaggia Classic
 

Congrats on the new equipment.
Yes, Rocky has big steps, that makes getting the grind correct more difficult.
Establish a volume of coffee to use then use a scale to keep using the same volume.
Espresso is all about consistency, dosing by "eye" or knocking off the top grounds flat on the coffee basket is not good enough, you need the same volume of grounds each time. Then adjust the grind to get a good result from that volume of grounds.
As the beans age, you will need to change the grind, every day they will react differently in the espresso machine.

Tamp has the LEAST affect on the shot of ALL the steps, it is only to compress the puck of coffee grounds to remove any air spaces so that the coffee presents an even resistance to the flow of water and you do not channel. Nearly any pressure will work. The generic place to start is 30 pounds of pressure as measured on a scale. You will be amazed at just how LITTLE that is. You can never apply as much pressure as the water will, not even close so just be consistent from shot to shot and use the grind to adjust the flow of water in the shot.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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brianl
Senior Member


Joined: 1 Dec 2012
Posts: 441
Location: Chicago IL
Expertise: I love coffee

Espresso: Gaggia Classic (w/PID)
Grinder: Baratza Vario
Drip: chemex
Posted Thu Jan 30, 2014, 7:58am
Subject: Re: Troubleshooting a new Gaggia Classic
 

pimes Said:

I just received my new Gaggia Classic and Rancilio Rocky in the mail today. Very excited. Having a hard time troubleshooting a problem though. I primed the machine by running water through the steam wand and the group head. Using the standard commercial portafilter basket, I ran some water through the portafilter to help warm it and to make sure everything was flowing properly. Everything looked good.

I ground my beans, tamped them and hit the brew switch. After 20 seconds I had only gotten a little dribble of coffee and it smelled burned. Tried it again, this time tamping less, but I got the same results.

Any ideas on what's going on?

Thanks in advance. These forums were great when I was making my buying decision.

Posted January 29, 2014 link

Just a note: I would not flush the grouphead on the Gaggia Classic. It is already a super small boiler. Like others said, make the grind coarser.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 1,981
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Thu Jan 30, 2014, 11:03am
Subject: Re: Troubleshooting a new Gaggia Classic
 

Good catch Brianl.  As noted, do not flush a Gaggia before a brew.  Make sure the boiler is full well prior to any brew as it takes about 5 minute to re-stabilize after a brew, and that would be similar for running water to heat the PF and basket.

Click Here (www.afonic.org)

The issue of not getting flow is likely grind/tamp related however :)

 
D4F also at
http://www.gaggiausersgroup.com/
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