Our Valued Sponsor
OpinionsConsumer ReviewsGuides and How TosCoffeeGeek ReviewsResourcesForums
Espresso: Espresso Machines
oscar leaking from safety valve after backflush
Cafe Solutions
Commercial sales and service, nationwide installation, equipment leasing options.
www.seattlecoffeegear.com
 
Not Logged in: Log In to Postlog in
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered  
Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Discussions > Espresso > Machines > oscar leaking...  
view previous topic | view next topic | view all topics
Author Messages
joey
Senior Member


Joined: 24 Dec 2002
Posts: 341
Location: madison, wi
Expertise: I love coffee

Espresso: Oscar
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Behmor
Posted Wed Sep 12, 2012, 11:40am
Subject: oscar leaking from safety valve after backflush
 

so oscar was acting a little weird after making a latte.  i hit brew to rinse out the portafilter and the flow was low.  ive had this happen intermittently.  i decided to backflush since its been a while.  it took longer than usual for the pump sound to go from regular to restricted--then all of a sudden i heard a couple pops that i've never heard before.  then  there was water leaking out of the machine.  upon further investigation i saw its spitting water from the safety valve.
i turned it off for a while and it still does it.  i called nuova and they said the 2 way fill solenoid.  
i had an issue in the past where the fill sensor was dirty so i checked that.  it was clean and the boiler was filled to the top.
anyone else ever have this happen?  or can anyone confirm that changing that solenoid is the fix?  i dont want to go without a machine and buy unneccesary parts...  the machine is maybe 5 years old.  
and to clarify this is where it's leaking from.

joey: valve.jpg
(Click for larger image)
back to top
 View Profile Visit website Link to this post
joey
Senior Member


Joined: 24 Dec 2002
Posts: 341
Location: madison, wi
Expertise: I love coffee

Espresso: Oscar
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Behmor
Posted Wed Sep 12, 2012, 11:41am
Subject: Re: oscar leaking from safety valve after backflush
 

also, could the solenoid just be dirty?  is that something that can be cleaned or just replaced?
back to top
 View Profile Visit website Link to this post
Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Wed Sep 12, 2012, 1:11pm
Subject: Re: oscar leaking from safety valve after backflush
 

When I talked to NS the valve they told me was bad was my issue.  I have not had your problem with mine so I can't tell you.  I would just say I believe them from my experience with them.

 
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
back to top
 View Profile Visit website Link to this post
joey
Senior Member


Joined: 24 Dec 2002
Posts: 341
Location: madison, wi
Expertise: I love coffee

Espresso: Oscar
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Behmor
Posted Thu Sep 13, 2012, 10:58am
Subject: Re: oscar leaking from safety valve after backflush
 

a quick update.
i removed the fill sensor on top of boiler, which incidentally was full.  i cleaned off the probe for good measure (not dirty/scaled up) and emptied the boiler to what i thought was half.  i then took the solenoid off, took it apart.  looked clean--no debris or buildup.  i put it back together and back on the machine.  
turned it on and hit brew. no leaks. let it warm up--looking good!!  once warm i pulled steam and it was very wet.  since pump didnt turn on when i turned on machine i assumed it was full-yes?  and steam wet means boiler overfull, correct?  i ran the steam and brew for a while and it seems to be steaming normal now.
soooo let sleeping dogs lie or still buy part?  if it happens again--new part.  if not i guess i'm just lucky.  fingers crossed for now.
back to top
 View Profile Visit website Link to this post
Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Thu Sep 13, 2012, 11:12am
Subject: Re: oscar leaking from safety valve after backflush
 

I don't know.... something caused the issue.... watch it carefully.

 
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
back to top
 View Profile Visit website Link to this post
joey
Senior Member


Joined: 24 Dec 2002
Posts: 341
Location: madison, wi
Expertise: I love coffee

Espresso: Oscar
Grinder: Mazzer Mini
Drip: Chemex
Roaster: Behmor
Posted Thu Sep 13, 2012, 11:37am
Subject: Re: oscar leaking from safety valve after backflush
 

another update
just went to make a latte.  frothed milk.  went to pull shot--only got a dribble out.  assumed i had it ground too fine.
went to pull another shot with coarser grind and it happened again.  safety valve went off.  water running out of machine.
now to order a new solenoid.
back to top
 View Profile Visit website Link to this post
Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,030
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Thu Sep 13, 2012, 12:16pm
Subject: Re: oscar leaking from safety valve after backflush
 

I thought that was to good to be true it fixed itself.

 
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
back to top
 View Profile Visit website Link to this post
johnny4lsu
Senior Member
johnny4lsu
Joined: 27 May 2011
Posts: 86
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Mon Jan 14, 2013, 5:43pm
Subject: Re: oscar leaking from safety valve after backflush
 

Looks like my machine is having the same problem. Ughhhhhh. Where did you order the valve? Did it fix your problem?

Thanks

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
back to top
 View Profile Link to this post
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 Mon Jan 14, 2013, 9:49pm
Subject: Re: oscar leaking from safety valve after backflush
 

Johnny, wait a minute. First of all, you might want to start a new thread, rather than resurrecting old ones. Second, is your boiler safety valve actually expelling steam and hissing as the machine comes up to temperature? What's your issue currently?
back to top
 View Profile Link to this post
johnny4lsu
Senior Member
johnny4lsu
Joined: 27 May 2011
Posts: 86
Location: The Sticks
Expertise: I live coffee

Grinder: Baratza Encore
Drip: Clever, Chemex, v60, kalita...
Roaster: Huky 500
Posted Mon Jan 14, 2013, 10:10pm
Subject: Re: oscar leaking from safety valve after backflush
 

Sorry about bumping old thread.

The pump comes on for about 4 seconds and then it expels from the safety valve. Also, the no water light comes on even though theirs water in the tank.

 
1 Corinthians 10:31 Therefore, whether you eat or drink, or whatever you do, do everything for the glory of God.
back to top
 View Profile Link to this post
view previous topic | view next topic | view all topics
Discussions > Espresso > Machines > oscar leaking...  
New Topics updated topics   New Posts new posts   Unanswered Posts new unanswered     Search Discussion Board search   Discussion Board FAQ faq   Signup sign up  
Not Logged in: Log In to Postlog in
Discussions Quick Jump:
Symbols: New Posts= New Posts since your last visit      No New Posts= No New Posts since last visit     Go to most recent post= Newest post
Forum Rules:
No profanity, illegal acts or personal attacks will be tolerated in these discussion boards.
No commercial posting of any nature will be tolerated; only private sales by private individuals, in the "Buy and Sell" forum.
No SEO style postings will be tolerated. SEO related posts will result in immediate ban from CoffeeGeek.
No cross posting allowed - do not post your topic to more than one forum, nor repost a topic to the same forum.
Who Can Read The Forum? Anyone can read posts in these discussion boards.
Who Can Post New Topics? Any registered CoffeeGeek member can post new topics.
Who Can Post Replies? Any registered CoffeeGeek member can post replies.
Can Photos be posted? Anyone can post photos in their new topics or replies.
Who can change or delete posts? Any CoffeeGeek member can edit their own posts. Only moderators can delete posts.
Probationary Period: If you are a new signup for CoffeeGeek, you cannot promote, endorse, criticise or otherwise post an unsolicited endorsement for any company, product or service in your first five postings.
Stefano's Espresso Care
Repair - Parts - Sales
Factory Authorized &
Trained Technician
www.espressocare.com
Home | Opinions | Consumer Reviews | Guides & How Tos | CoffeeGeek Reviews | Resources | Forums | Contact Us
CoffeeGeek.com, CoffeeGeek, and Coffee Geek, along with all associated content & images are copyright ©2000-2014 by Mark Prince, all rights reserved, unless otherwise indicated. Content, code, and images may not be reused without permission. Usage of this website signifies agreement with our Terms and Conditions. (0.423919916153)
Privacy Policy | Copyright Info | Terms and Conditions | CoffeeGeek Advertisers | RSS | Find us on Google+