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Gaggia Classic Temperature Question
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Lexbrew
Senior Member


Joined: 30 Nov 2010
Posts: 14
Location: Lexington
Expertise: I love coffee

Espresso: Gaggia Classic
Grinder: LeLit PL53 Stepless
Posted Sun Apr 22, 2012, 8:12am
Subject: Gaggia Classic Temperature Question
 

My Classic is about two years old.  Recently the second pull bubbles through as if the coffee was not tamped and the coffee has a "burnt" smell to it.  I suspect the thermostat is kaput.  I have never back-flushed but I clean & descale once a month using Cleancaf so I don't think I've any flow-through problems.

So two questions: Does the above symptom indicate a bad thermostat?  And if yes, what site should I go to to get a replacement?

I would appreciate any advice you could give me.

Ciao, Tony
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D4F
Senior Member


Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sun Apr 22, 2012, 12:51pm
Subject: Re: Gaggia Classic Temperature Question
 

Temperature ok on the first pull?  Are you thinking the thermostat died between pulls?  The easiest answer to that part is to do the styrofoam cup test.  Here is the link if needed.

http://www.frcndigital.com/coffee/HowToTempCheck.html

parts

http://www.partsguru.com/GaggiaClassicCoffee.html

I doubt that even is the tstat just blew that you would notice what you are describing.  You would have had a heated machine and you are describing more a pressure/flow problem.

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


Joined: 15 Mar 2012
Posts: 2,021
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Sun Apr 22, 2012, 12:57pm
Subject: Re: Gaggia Classic Temperature Question
 

If you are not familiar with pressure measurement:

http://coffeegeek.com/forums/espresso/machines/194464

You can use right angle and other fittings to place the guage on the side if needed.

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


Joined: 30 Nov 2010
Posts: 14
Location: Lexington
Expertise: I love coffee

Espresso: Gaggia Classic
Grinder: LeLit PL53 Stepless
Posted Sun Apr 22, 2012, 5:53pm
Subject: Re: Gaggia Classic Temperature Question
 

Thanks for the advice.  The reason I think it might be the stat is that the temp seems to increase the longer the unit is on.  By the time I make the first two Cappuccinos I can hear the water bubbling in the machine.  I will go to the links you provided and after I will get back to you with the outcomes.

Thanks again,

Tony
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