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NS Oscar problem. Leaking from safety valve.
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Discussions > Espresso > Machines > NS Oscar...  
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Markarian
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Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Fri Jan 18, 2013, 11:46am
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Johnny, stupid question, but are you making sure to bleed the false pressure from the steam wand a few minutes after turning it on? The Oscar lacks a vacuum breaker so you've got to do this every time you power up the machine. Mine stays on 24/7, so I often forget to do this on the rare occasions it has to be turned off and then later back on again. Often times, the heating element won't kick on for more than a few seconds unless you do this.
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johnny4lsu
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johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Fri Jan 18, 2013, 12:41pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Thanks for the reply markarian. With me being such a rookie i appreciate the simple questions.

I have certainly tried that and actually kept it on all night last night. No steam, nothing.

Makes me wonder if i ruined the element.

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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Markarian
Senior Member
Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Fri Jan 18, 2013, 1:20pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Another issue, which I'm loathe to bring up, but it is definitely a possibility is the autofill chip box or "brain." My machine's brain actually got doused with water during my boiler clean out while plugged in (don't ask) and the machine shorted and shut off! After drying, it began to work again. I would take the bottom panel off (while it's unplugged) and inspect the brain, maybe drying it out with some canned air and putting it in front of a fan for a few hours before trying again. I finally watched your videos and it definitely looks to be an overfull boiler, but the only reason it would continue to try and pump into it is because the fill probe was dirty (time for that descale) or the brain was on the fritz.
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johnny4lsu
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johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Fri Jan 18, 2013, 1:23pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Well, i definitely had water everywhere during my descale and draining the boiler so maybe it did get wet. I just changed the probe yesterday so its brand new.

Ill pull the bottom off and check the brain!!

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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johnny4lsu
Senior Member
johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Fri Jan 18, 2013, 2:41pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Update: The grouch is back in business! Apparently I didn't check to see if it tripped the red button.

https://www.dropbox.com/s/jh9tzq3u50l0cuf/2013-01-18%2016.13.13.jpg

Thanks for the help! I'm sure this won't be the last time hearing from me!

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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Markarian
Senior Member
Markarian
Joined: 27 Jun 2012
Posts: 658
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Fri Jan 18, 2013, 2:58pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

I'm relieved to hear that! As you've found out, being an Oscar owner has its ups and downs. But when Oscar works, it's a truly rewarding experience. They're good machines for hands-on types and those who like pain with their coffee.
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johnny4lsu
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johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Fri Jan 18, 2013, 3:01pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

haha...I'm starting to learn that rather quickly. I sure do know a whole lot more about the inner workings than I did a week ago. I guess that's the positive in the situation!!

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,052
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Fri Jan 18, 2013, 10:42pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

If you don't have access to a repair guy the next best thing is being able to do it yourself.  And you can.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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johnny4lsu
Senior Member
johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Sat Jan 19, 2013, 4:35pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Update:

Well, the Oscar has returned as a grouch. Having a similar problem. The heat light won't come on again. I've checked the reset button numerous times and it's punched all the way in.

Not sure what to check or test this time. I used the machine to pull 6-8 shots today and it worked fine. It stayed on for 4 or so hours and I tried to make a drink and it started to have the problem.

suggestions?

Johnny

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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johnny4lsu
Senior Member
johnny4lsu
Joined: 27 May 2011
Posts: 87
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Sat Jan 19, 2013, 5:37pm
Subject: Re: NS Oscar problem. Leaking from safety valve.
 

Just took the Oscar apart to get to the brain. Apparently it has some water damage from looking at it. Could this be causing my problems?

If so, is this repairable or should I just get a new one? Any way to test this with a volt meter?

Here are the pics.

https://www.dropbox.com/s/gmt4gm2zq6tiqcw/2013-01-19%2019.22.12.jpg
https://www.dropbox.com/s/g5g19lpzcvdtyce/2013-01-19%2019.23.38.jpg
https://www.dropbox.com/s/30gppjqgsbyss2x/2013-01-19%2019.23.50.jpg
https://www.dropbox.com/s/oss14nkg36pmpyq/2013-01-19%2019.24.29.jpg
https://www.dropbox.com/s/z6zepd5omr7svfa/2013-01-19%2019.25.02.jpg
https://www.dropbox.com/s/6ha8nk6bdl46oif/2013-01-19%2019.25.25.jpg

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
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