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Problem with steam production on Gaggia Evoultion
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Mk23198
Senior Member


Joined: 18 Oct 2012
Posts: 1
Location: NJ
Expertise: Just starting

Posted Thu Oct 18, 2012, 4:34am
Subject: Problem with steam production on Gaggia Evoultion
 

Hello, I'm having a problem with my Gaggia Evoultion machine. It seems to brew fine, however, when you push the steam button many popping noises are heard for about 30 seconds. Almost sounds like water boiling in machine. Then after about 10 seconds of steam production, the steam pressure drops off and just trickles out. The machine is about 4 months old and problem just started. Any help would be appreciated. Thanks Mark
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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 Thu Oct 18, 2012, 7:46am
Subject: Re: Problem with steam production on Gaggia Evoultion
 

Welcome to CoffeeGeek!

Your impression of what happens inside your espresso machine is just about right.

The Gaggia Evolution is a SBDU (single boiler double use), which means the same boiler is used for brewing coffee and frothing milk. Usually the machine is on brewing temperature, only when you press the steam button it actually heats up to produce steam. Since the boiler only has a capacity of 100 ml its steaming power is somewhat limited. By the way, you shouldn't open the steam valve until the machine has reached steaming temperature. Normally you should have enough steam to froth milk for one or even two cappuccinos, but the procedure might take a little while.

 
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"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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