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NS Oscar safety valve
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Discussions > Espresso > Q and A > NS Oscar safety...  
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czar
Senior Member


Joined: 8 Oct 2013
Posts: 3
Location: Florida, US
Expertise: Just starting

Posted Tue Oct 8, 2013, 8:35am
Subject: NS Oscar safety valve
 

a short while after plug in, the safety valve releases pressure... I changed the pstat thinking that was the problem, but still does the same thing. Is the safety valve the problem? or better yet, can anyone tells me how to diagnose the problem? I know nothing about these machines, but am handy enough.
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czar
Senior Member


Joined: 8 Oct 2013
Posts: 3
Location: Florida, US
Expertise: Just starting

Posted Tue Oct 8, 2013, 1:15pm
Subject: Re: NS Oscar safety valve
 

I think it reaches tem/pressure and the heat fails to shut off, therefore the safety release... so I guess the problem was not the pressure/stat.
Any one knows what's the trouble?
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plindy
Senior Member
plindy
Joined: 27 Nov 2002
Posts: 74
Location: Seattle
Expertise: Just starting

Espresso: NS Oscar
Grinder: SJ Pharos Lido HG-One
Posted Wed Oct 9, 2013, 2:52am
Subject: Re: NS Oscar safety valve
 

older style valve have a center that you can grab and pull outwards against spring tension to reseat the valve
it may work while you are waiting for a new safety valve
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czar
Senior Member


Joined: 8 Oct 2013
Posts: 3
Location: Florida, US
Expertise: Just starting

Posted Wed Oct 9, 2013, 8:34am
Subject: Re: NS Oscar safety valve
 

Thank you. Yes, I think the problem is not the safety valve as it seems to work fine, it releases steam in a burst, but the heater never shuts off. I original figured that the pstat was faulty, but I have the same problem with new. What controls the heater elements? when it reaches certain temp or pressure what shuts it off (and on)? How and what can I test?
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plindy
Senior Member
plindy
Joined: 27 Nov 2002
Posts: 74
Location: Seattle
Expertise: Just starting

Espresso: NS Oscar
Grinder: SJ Pharos Lido HG-One
Posted Thu Oct 10, 2013, 1:53am
Subject: Re: NS Oscar safety valve
 

click
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