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josephs141
Senior Member


Joined: 7 Apr 2006
Posts: 12
Location: Arizona
Expertise: Pro Barista

Espresso: Nemox Caffe Fenice
Grinder: Solis Maestro
Posted Sun Feb 9, 2014, 11:28am
Subject: Troubleshooting Machine and effects on Espresso
 

Hello, Everyone

First off, thank you for contributing to this topic with your experience and kindness.  Although I know quite a bit about Espresso and Espresso Machines, your help is needed.  Lately, the shots that I have been pulling are proper, timed right, and have great crema.  Here is the elusive issue , each shot has a bizarre taste.  It is hard to describe the  taste.  IT tastes stale and like metal.  What could cause this?  This is driving me insane.  

This may be important.  I have a Solis Maestro conical burr grinder.  Recently, the burr has been replaced.  Could this be contributing or causing the problem?  

Thank you for your assistance
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,061
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 Feb 9, 2014, 10:50pm
Subject: Re: Troubleshooting Machine and effects on Espresso
 

Have you tasted the water itself and/or an empty shot?

 
***
"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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josephs141
Senior Member


Joined: 7 Apr 2006
Posts: 12
Location: Arizona
Expertise: Pro Barista

Espresso: Nemox Caffe Fenice
Grinder: Solis Maestro
Posted Tue Feb 11, 2014, 9:39am
Subject: Re: Troubleshooting Machine and effects on Espresso
 

NobbyR,  thank you for your interest and assistance.  

Yes I have tried a shot by itself and tested the water.  It is important to know  I use Reverse Osmosis system.  In other words, water is purified .  There are very fw calcium deposits.  

What is the culprit?

Thank you
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,031
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 Tue Feb 11, 2014, 1:59pm
Subject: Re: Troubleshooting Machine and effects on Espresso
 

It could be the water. You NEED minerals in the water to help the flavor profile. RO water tastes flat and one dimensional. Then too, it could be stale beans, stale beans taste, stale. If they are not less than two weeks FROM THE DAY THEY WERE ROASTED then they are likely stale. If there is a best BY or use before date, then the chances that they are months or more old are HIGH!

In addition, the Maestro is not an espresso able grinder. It works pretty well for most other brewing methods but it was never designed for espresso. If the portafilter is pressurized then it likely will give you something but it is a fake crema not the real stuff.

 
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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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,061
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 Tue Feb 11, 2014, 10:48pm
Subject: Re: Troubleshooting Machine and effects on Espresso
 

calblacksmith Said:

It could be the water. You NEED minerals in the water to help the flavor profile. RO water tastes flat and one dimensional.

Posted February 11, 2014 link

I agree. But as far as I understand, unless the RO system is new, the problem has occured recently.

So the water itself tastes okay, doesn't it?  Did the strange taste start after a recent descaling or cleaning?

calblacksmith Said:

If the portafilter is pressurized then it likely will give you something but it is a fake crema not the real stuff.

Posted February 11, 2014 link

The Nemox Caffè Fenice is an entry level SBDU, so it might indeed come with a pressurized PF, which could explain the seemingly good crema.

 
***
"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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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,031
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 Fri Feb 14, 2014, 7:50am
Subject: Re: Troubleshooting Machine and effects on Espresso
 

PPF is a given with that machine.
The water comment was in general and not in specific about the taste, Stale beans, not up to snuff grinder, = 99 % of issues with this class machine, well that and temp surfing, poor temp control, over pressure brewing ....... ;D

 
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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josephs141
Senior Member


Joined: 7 Apr 2006
Posts: 12
Location: Arizona
Expertise: Pro Barista

Espresso: Nemox Caffe Fenice
Grinder: Solis Maestro
Posted Fri Feb 14, 2014, 11:26am
Subject: Re: Troubleshooting Machine and effects on Espresso
 

Thanks very much for addressing this issue.  Your opinions are valued and have been tested.  There has been mention of a Pressurized Porta Filter.  The Nemox Caffe Fenice does not have a PPF.  The build of the Nemox Caffe Fenice is similar to that of a Rancilio Silvia.  The machine was descaled and two canisters of fresh water were used to clear the machine of any descaling solution.  The RO water was never a problem before; the filters are new.  The Solis Maestro has done and continues to grind very well.  I just installed a new burr.  


Forgot to mention this.  The machine was accidentally left on for 13 hours.  This happened two months ago, and the machine still functions very well.  The temp control is still accurate.  This says something about the quality of the machine.  

We are skilled and knowledgable when it comes to Espresso, beans, techniques and machines.  For some bizzare reason I cannot figure this out.

Thank you for your replies and suggestions
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fblasier
Senior Member


Joined: 25 Feb 2014
Posts: 3
Location: oregon
Expertise: Pro Barista

Espresso: Carimalia F 22 EC 2002
Posted Tue Feb 25, 2014, 6:18am
Subject: Re: Troubleshooting Machine and effects on Espresso
 

I have a Carimali F22EC 2002 I came in today & the machine says on group 2 "Motor Alarm" can you tell me whats up & how to fix? the book doesnt show that alarm... ty
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