I am not sure what you are saying. You have a 20 minute stabilized machine and hit steam for a few seconds or you turn on the machine for a few minutes and try to steam???
What is the PID set temperature?
Is steam run by the controller? If so, what temperature? If not, why not :) Either way what is the temperature reading when this is happening.
When the steam valve is open at first, water is to the top of the tank and you need to purge out water until dry steam. You do not need/want it wide open as you will likely not be able to produce steam fast enough, and can get water until the level is lower in the boiler. Very interested in knowing what happens to the temperature when this happens.
brianl Senior Member Joined: 1 Dec 2012 Posts: 341 Location: Chicago IL Expertise: I love coffee
Espresso: Gaggia Classic (w/PID) Grinder: Baratza Vario Drip: chemex
Posted Mon Aug 26, 2013, 8:02am Subject: Re: How wet should Gaggia Classic steam be?
I never have that problem with my gaggia classic. Uusually the first couple seconds go into the sink and i'm good to go. My PID is set at 285. You should only really be worried about that first burst as its water thats been sitting in there.
D4F Senior Member Joined: 15 Mar 2012 Posts: 1,676 Location: USA Expertise: I like coffee
Espresso: Gaggia Classic PID Grinder: Preciso
Posted Mon Aug 26, 2013, 8:56am Subject: Re: How wet should Gaggia Classic steam be?
You are running hotter and described opening farther than I do. I believe about 1/4+ turn open and about 275 - 295 fluctuation. You may have to purge longer and drop the water level to keep it from bubbling out if open that far. Temperature should not cause the problem, just raises the pressure. I open a half turn to 1 turn to bleed off the moisture and then it will stay fairly dry. If I open much farther I can get moisture again even though it seems dry with 1/4 turn.
Steam valve is just a needle valve, no gasket to fail. There is an O-ring out past the needle valve to keep steam from leaking into the machine.
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