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DeLonghi EC 155 not putting out enough water...
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Discussions > Espresso > Machines > DeLonghi EC 155...  
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espnewbie
Senior Member


Joined: 8 Feb 2013
Posts: 6
Location: Jackson, MS
Expertise: Just starting

Posted Fri Feb 8, 2013, 8:19pm
Subject: DeLonghi EC 155 not putting out enough water...
 

I've had this espresso maker for two months and recently have been experiencing a problem with the unit putting out enough water. It is now taking twice as long as it is supposed to make a shot - unacceptable. I tried descaling the machine with citric acid, but no difference. Any recommendations would be appreciated!
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Fri Feb 8, 2013, 10:04pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

Welcome to CoffeeGeeks.  

New machine, or just new to you?  Try running the pump/brew switch with the steam wand wide open and quantitate the flow.  Measure flow from the group and steam wand for say 15, 20, or 30 seconds and do the math to figure total flow rate converted to cc/minute.

Have you removed the screen?  

Are you just meaning flow through a puck while brewing?

Ground coffee or pod?

Standard pressurized portafilter?

A little more information please.

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


Joined: 8 Feb 2013
Posts: 6
Location: Jackson, MS
Expertise: Just starting

Posted Fri Feb 8, 2013, 10:19pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

Yes it is a new machine. I removed the 'shower head' screen while descaling. A lot of what was either coffee grounds or granular scaled lime came out during the descaling. I wonder if I should do a second descaling? I've only had the machine two months, but I use it rather heavily, at least three cups a day. I'm using lightly tamped coffee in the standard pressurized portafilter. I'll try to measure water flow tomorrow morning. Thanks for your input!
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Fri Feb 8, 2013, 10:29pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

Here is a parts diagram.  I believe that you can get scale and trouble in the valve, parts 14 and 15.  It can then stick and not open well.  There are a few large EC155 threads on CG that may help.

Click Here (www.ereplacementparts.com)

If you click on the parts photo below the diagram, you can get a decent picture.

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


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Fri Feb 8, 2013, 10:35pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

It could take a while to find the specific answer, but if you search EC155 in the search here on CG, you may just be overwhelmed.

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


Joined: 8 Feb 2013
Posts: 6
Location: Jackson, MS
Expertise: Just starting

Posted Sat Feb 9, 2013, 10:23am
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

This morning, the machine works great! Output is as good or better than when I first got it. Guess the descaling procedure finally worked! That said, I'm wondering what othereoples experience is as far as the longevity of this machine. Seattle Coffee Gear say between 3 to 5 years. I like this little machine as a starter set up, but am already getting 'upgrade fever'. I hear the new Gaggia Carezza, due out in the US sometime in '13, is a good upgrade. Any other recs for a sub $300 or so upgrade. My main concern is the ability to go to a stock non-pressurized portafilter.
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Feb 9, 2013, 11:14am
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

I tried to look up the new Carezza.  I found it, but no real specifications or diagram.  It has a new appearing exterior, but, the problem has been lack of OPV and ability to really adjust pressure, and no 3 way.  It may have some pressure adjustment at the pump return valve?  Many of the Gaggias have had leaks from tubing and oetiker clamps, not been a problem on the Classic.  I believe that most Gaggia recommendations in CG and other forums has been the Classic.

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


Joined: 8 Feb 2013
Posts: 6
Location: Jackson, MS
Expertise: Just starting

Posted Sat Feb 9, 2013, 12:03pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

You'll have to forgive me, but what is an OPV? Perhaps you could point me to an article where it is defined and discussed?
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Feb 9, 2013, 12:52pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

Sorry about the terms.  Over Pressure Valve is a valve that limits pressure between the pump and eventually, the puck.  In the most basic case it serves to keep the pump from complete stall and to allow flow back to the water reservoir when a critical pressure is reached.  This could happen if you grind too fine and no water can get though the puck.  Sometimes there is a safety valve to do that at the pump, and other times it is an adjustable valve.  The Classic has an adjustable pressure valve.  This means that the user can set it to limit pressure to the puck.  It can be set to 9 bar pressure which is felt to be optimal brew pressure when not using a pressurized portafilter.  Many machines come with a pressurized PF and that works with higher pressure, so the pressure is set higher, and as above adjustable, or not.

More on OPV explained
http://coffeetime.wikidot.com/opv-over-pressure-valve
http://www.frcndigital.com/coffee/opv.html

See part 28
Click Here (www.partsguru.com)

vs part 36 on the old Carezza

Click Here (www.partsguru.com)

on that diagram, part 71 is a safety valve, but not adjustable, or difficult to do so.

You did not ask about the "3 way" or 3 way solenoid???

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


Joined: 15 Mar 2012
Posts: 2,007
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sat Feb 9, 2013, 12:56pm
Subject: Re: DeLonghi EC 155 not putting out enough water...
 

Just in case, the 3 way.

http://www.frcndigital.com/coffee/3way/intro.html

And yes, the FRCN site is very informative, especially How to 12, Guide to Espresso at Home.

http://www.espressomyespresso.com/

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