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Gaggia Coffee Pump Broken?
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puckmaker
Senior Member


Joined: 18 Nov 2012
Posts: 3
Location: San Antonio, Texas
Expertise: I love coffee

Espresso: Gaggia Coffee, Rancilio...
Grinder: Gaggia MDF
Posted Sun Nov 18, 2012, 9:52am
Subject: Gaggia Coffee Pump Broken?
 

Hi - I have owned a Gaggia Coffee for about 6 years, bought it used. A few days ago, I made a latte, pulling the portafilter off sooner than usual expecting a little bigger "sneeze", but got a pressure release strong enough to blow the puck all over my counter.  I chalked it up to premature portafilter removal and went on with my day.  The next morning, when I went to pull a shot, the pump pushed only a trickle of water out then seemed to block. I turned the pump off, then on again.  Same thing.  I thought maybe some of the "puck explosion" from the previous morning had been blown into the water tank and been sucked up into the pump.  When I checked the tank, there was a tiny amount of grounds, but none stuck to the walls of either intake tube.  

Does anyone have an idea what could be wrong here? The coincidence of high pressure release with the pump not operating is a little too much to ignore.

Thanks!

Jon
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,015
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sun Nov 18, 2012, 3:55pm
Subject: Re: Gaggia Coffee Pump Broken?
 

Welcome to CG Puckmaker, or should I say Puckdestroyer :)

How does the pump run with the steam wand open?  

How often have you descaled and when last?

Have you removed the dispersion screen and cleaned the group and screen?

 
D4F also at
http://www.gaggiausersgroup.com/
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puckmaker
Senior Member


Joined: 18 Nov 2012
Posts: 3
Location: San Antonio, Texas
Expertise: I love coffee

Espresso: Gaggia Coffee, Rancilio...
Grinder: Gaggia MDF
Posted Tue Nov 20, 2012, 3:27pm
Subject: Re: Gaggia Coffee Pump Broken?
 

Hi, thanks for replying.  With the steam valve open, running the coffee switch, water comes out ok.

I haven't been the best descaler, but it was done within the last month.

When it happened, I cleaned the screen and the group head as best as I could, no improvement.

Thanks!
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,015
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Tue Nov 20, 2012, 7:19pm
Subject: Re: Gaggia Coffee Pump Broken?
 

I have not actually seen one of these machines, only pictures and reading.  That said, I believe the problem is the group valve.  Pictures worth thousands of words.  See part 58

http://www.partsguru.com/user/ER0077-01.PDF

Then the following link to fix

Click Here (lacefamily.wordpress.com)

 
D4F also at
http://www.gaggiausersgroup.com/
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puckmaker
Senior Member


Joined: 18 Nov 2012
Posts: 3
Location: San Antonio, Texas
Expertise: I love coffee

Espresso: Gaggia Coffee, Rancilio...
Grinder: Gaggia MDF
Posted Sun Nov 25, 2012, 8:07pm
Subject: Re: Gaggia Coffee Pump Broken?
 

Much appreciated information.  I haven't  had a chance to try it out yet, but if nothing else, I'm sure it can use a good cleaning.  In the meantime, I have picked up a used Rancilio Silvia v2 that looks to have issues of it's own :-)
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