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Gaggia Pure water pressure problem
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smekky
Senior Member


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Sat Dec 28, 2013, 4:13am
Subject: Gaggia Pure water pressure problem
 

Good Day to all

I have a problem with my Gaggia Pure. It was working fine then just one day all of a sudden when I was preparing a shot, the sound from the machine got muted and no more water is coming out from the brew group. If I switch to the rod, water flows normally. It's as if something is blocking the water flow in the group.

I've done tons of research, descaled, took the machine apart and cleaned it, used different coffee grounds ... nothing. Still the same problem.

I'm currently in Saudi Arabia so there is no dealer here for Gaggia and no professional maintenance. There are shops that repair espresso machines but I don't want to take that risk.

Any suggestions?

Thanks
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,947
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 Sat Dec 28, 2013, 6:26am
Subject: Re: Gaggia Pure water pressure problem
 

I take it you were PULLING a shot, not getting ready for a shot when you said "I was preparing a shot"
Is the "rod" your hot water/steam wand?

Your water inlet seems fine as you get water from the wand.

I suspect that the brew valve inside the boiler is clogged. When was the machine last descaled?

The parts I am thinking about are 21, 22, 23 in the parts diagm. page 3
Click Here (www.wholelattelove.com)

To get to them, the boiler needs to be opened up.

 
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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smekky
Senior Member


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Sat Dec 28, 2013, 10:24am
Subject: Re: Gaggia Pure water pressure problem
 

Thank you very much for your reply.

As I've stated in my post I've already disassembled and cleaned everything and still the same issue remains.

What could be the cause of this?
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,025
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Dec 28, 2013, 11:08am
Subject: Re: Gaggia Pure water pressure problem
 

As stated the problem is often that valve as noted, the "mushroom" on top sticks and blocks the water outflow.  You had the valve out and apart and it is all clean of scale.  It can get a bit of scale from the rest of the machine of you still had scale to flush out.  You may be able to dislodge it from below with a blunt toothpick or similar.  With cool water in the boiler :)

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


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Sat Dec 28, 2013, 10:50pm
Subject: Re: Gaggia Pure water pressure problem
 

D4F ... Thanks for your reply

I'll give it a shot again tonight in cleaning these parts. I guess my main question would be: could there be some sort of mechanical fault in my machine? a fault where I need serious maintenance or part replacement? This would be hard for me here in KSA as I will not find the parts easily.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,025
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sun Dec 29, 2013, 1:05pm
Subject: Re: Gaggia Pure water pressure problem
 

From the description so far, I suspect the valve, so no, not a parts problem.

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


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Fri Jan 3, 2014, 9:12am
Subject: Re: Gaggia Pure water pressure problem
 

Ok guys,

I've tried everything. Took everything apart, cleaned everything, put it back together, water flowing great from shower screen and wand, tried to pull a shot ... same thing.


Now I'm suspecting 2 things: either the coffee is too fine or the piece in tge attached pic is faulty.


What do u think?
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kolu
Senior Member
kolu
Joined: 28 May 2013
Posts: 29
Location: Reykjavík, Iceland
Expertise: Pro Barista

Espresso: Grimac La Uno
Grinder: Mahlkönig Guatemala, Porlex
Drip: Kalita Wave, Aeropress
Posted Fri Jan 3, 2014, 10:02am
Subject: Re: Gaggia Pure water pressure problem
 

Coffee too fine
OR
check if there's water returning to water tank from boiler via self-priming valve (translucent hose just below the steam output hose). This leaky valve is the worst part of Gaggia Pure/Colour/Dose design.
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smekky
Senior Member


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Fri Jan 3, 2014, 10:50am
Subject: Re: Gaggia Pure water pressure problem
 

this is the piece I'm talking about

smekky: 2014-01-03 20.15.41.jpg
(Click for larger image)
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smekky
Senior Member


Joined: 30 Apr 2012
Posts: 13
Location: Riyadh
Expertise: Just starting

Posted Fri Jan 3, 2014, 10:50am
Subject: Re: Gaggia Pure water pressure problem
 

and here's the coffee ground

smekky: 20140103_210952.jpg
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