Question about Bosch Benvenuto B30 Espresso/Coffee Maker

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Machine is suddenly "over-foaming."

Suddenly, when I froth milk, the volume expands too quickly and overflows the pitcher long before it reaches the proper temperature.  I'm using the same milk and doing the same process I've been using for a year.

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(See lower down for steam wand maintenance - this is a copy/paste from a solution to another problem but it provides full self-cleaning instructions for the whole unit...)

On the bottom of the sliding spout assembly is a little tab (remove tray and look w/mirror). Once you depress that with a knife/fingernail/screwdriver, you can pry the cover of that assembly toward you on the bottom. Insert a screwdriver in the resulting slot on the side and carefully slide it up; the curved plastic cover with "BOSCH" on it will pop off. Don't worry, it's pretty flexible PVC.

Now pull on another (newly visible) tab on the bottom of the assembly (use mirror again) to disengage the entire spout mechanism (two black cylinders) which will then hang toward you by the coffee tube only. Carefully disconnect the coffee tube. Now you can wash them out (I do that every 6 months or so).

Best results: Hold one tube and the middle drainhole shut with your fingers and blow water hard into the outflow side of the other one (over the sink, of course). Repeat on other side. Soak unit in hot water w/soap, clean w/high flow, dry. Your view into the unit from the bottom (where the coffee normally comes out) should be unobstructed except for the PVC cross inside the tube.

Everything snaps back together very easily. The hardest part is connecting the coffee tube again, especially if you have big hands...

While you're at it, open the side panel below the bypass doser. On the brew group you can see three little plastic covers that, once pried off with a knife, reveal three 1/4 turn screws marked with an open and closed key symbol. Opening them will enable you to slide the brew group out and give it a good cleaning.

Take a vacuum cleaner with the narrowest attachment and vacuum all the loose coffee grounds out of the machine. Clean the inside as much as you can. Do not reassemble until the brew group is dry, otherwise the wet spots become caked with coffee.

Unscrew the steaming wand by loosening with a coin or knife on the bottom. It disassembles into a rubber holder, the metal wand, and the plastic frothing piece. Soak all three in a glass of hot water with soap. On the frothing piece there are two notches as well as a tiny hole that I usually have to clear with a knife tip. Insert a soapy Q-tip up into the pipe on the machine and "roto-root" it. Repeat with clean/wet Q-tip. If the outside of that pipe is dirty, tie a hot wet paper tower to it for 1/2 hr to soak it off. A Scotchbrite pad or steel wool will do the rest. If you maintain it this way every two weeks or so, it will never get caked up and you'll always have great foam.

Bosch factory support and local support is questionable, so I clean mine every 6 months or so, now that I know how to do it...

Posted on Sep 11, 2009

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Help received the Delonghi Cafe Nabucco machine from a friend .no instructions ,how do I make expresso ,capp steam milk etc?


http://www.manualnguide.com/dl/10372/

Go to the above link and download the manual for the BCO 120T

It should provide the basics to get you going

Making a good espresso with steamed milk takes practice

If you don't have the frothing pitchers.. buy a couple in different sizes

Used cold low fat or non fat milk..

It takes practice to get good at it.. a hand on the side of the pitcher to make sure you don't scald the milk.. etc.. you don't want the milk to bubble/boil..

If you have a control valve for the steam pipe.. immerse the pipe about an 1/2 inch or so into the cold milk and slowly open the valve.. until you have it open full. Jostle the pitcher to move the milk around pretty much during most of the process once it begins to warm and foam.. raise the pitcher to heat the milk in the bottom .. then lower it as the foam begins to form...never letting the steam pipe out into the froth. Once done..wipe the pipe clean with a wet cloth.

Grind of the coffee is imporant as well as the roast and when you fill the portafilter don't over tamp.. If you pack it to tightly.. won't brew... too loosely.. brews too fast.. You want to see the coffee shots come out and form what's known as crema... which is a thin layer of tan or light brown foam on top of the shot. If aren't getting this..the coffee is either ground wrong or packed too tight.

It's an art..and nothing beats practice.. there are scores of books and internet threads on how to froth milk and make different coffee drinks..

I love a good Cafe Borgia now and again.. we live in the Portland, Oregon area.. everyone here is addicted to the bean..

Best of Luck

Apr 29, 2011 | DeLonghi Caffe Nabucco BCO70...

3 Answers

It froth's milk beautifully but won't do soy milk.


We bought a Nespresso Milk Frother in 2010 for $100. The frother is the same one that comes with the Citiz machine but is a stand alone model. It froths soy milk very well. The less soy you put in it, the more froth you get but even if we fill it to the max line we still get a reasonable amount of foam. We use Silk brand soy milk. I have no idea if foaming is impacted by atmospheric pressure but it may be a factor to consider if you are using all the same factors as us but not getting great results. We live at a higher elevation Calgary, Canada in the foothills of the Rocky Mountains.

Sep 15, 2010 | Nespresso Aeroccino Automatic Milk Frother

1 Answer

Frothing


You should try to hold the steam end half a centimeter lower the top surface of the milk and try to have it with a slight angle in the pot with milk and near to side of the milk pot about 1 centimeter. If the steam end goes very near to the top surface of milk and for seconds goes above and then back into milk this can create the bigger bubles foam milk.. So with a very steady hand you can create very nice smooth foam. Also remeber that should stop heating anymore the milk after 72 degrees selcius the point at which you can not leave your hand out on the pot for more one second this point you must stop. After the 72 to 75 degress you could burn the milk protein and any foam already created will desapear just like that.
Try also in youtube "milk frothing" and you find many videos on how to do it.
Good luck.
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Mar 09, 2010 | Coffee Makers & Espresso Machines

1 Answer

Not enough steam is produced to make good froth.


I have one too and what I do is: turn all 3 switches on and while I'm waiting for the "ready" light to come on I go ahead and pour the milk into my frothing pitcher and prep my espresso basket.
After the "ready" light comes on I install my espresso basket and turn the handle to the "left" so no liquid starts coming out.
Next, I take an empty coffee cup and hold it under the steam nozzle and start opening the steam valve until I get only steam instead of a stream of hot water. Once you have steam, close the valve, put your pitcher of milk under the steamer and froth as usual to around 150 degrees.

Jan 21, 2010 | Coffee Makers & Espresso Machines

3 Answers

Why won't my starbucks serina froth milk. Just stopped doing this all of a sudden. I descaled, the little hole in wand isn't blocked. The milk heats but no froth.


This problem developed on my Sirena machine about a week ago. Stopped frothing milk, but still produced lots of steam. In fact, it was splattering milk everywhere, just not producing foam. Cleaned the steam wand (including air intake) and descaled the machine (even though its only 3 months old) to no avail. Called Saeco customer support (1-800-933-7876) and the very helpful rep immediately identified the problem. Inside the Panarello steam wand is a removable plastic tube. The tip of this tube should protrude about 1/8" beyond the end of the steam wand. Mine was not. Using the eraser end of a pencil, I pushed the inner tube downward into position and, voila, I now have froth again.

Nov 23, 2009 | Saeco Starbucks Sirena Espresso Machine

2 Answers

Aeroccino deosn't make froth


Our aeroccino worked fine for 2 years and suddenly it didn't made foam anymore. We tried the "inverting trick" without much success. We contacted Nespresso and they suggested switching from regular fresh milk (we used 2%) to UHT milk (harder to find in US) and to use it cold and freshly opened. So we tried that and it works.
Hope this solution works for you too

Aug 08, 2009 | Nespresso Aeroccino Automatic Milk Frother

4 Answers

Aeroccino Overflows


As a Nespresso demonstrator I've had this question many times- use the black plastic wand for light foam- can use to max line. Using the wire whisk wand for heavy, cappacino foam and fill only to bottom line. This wand uses more aeration to achieve foam density- causing more pressure and your leaks. The wand stored inside the lid doesn't have anything to do with function of the aerrocino.

Jul 06, 2009 | Nespresso Aeroccino Automatic Milk Frother

1 Answer

Too much froth


Does this happen after you make several froths or the first time you start the machine? Try removing the panarello and froth milk that way then see if this is happening too without the panarello. I found that panarellos are great as a "quick learning to froth?- but they do have the tendency to froth milk too much without heating it up ( to the temperature that you like).

Jun 09, 2008 | Saeco Magic De Luxe Espresso Machine

2 Answers

Steamed milk


I just had this same problem and solved it.  It was due to a very small amount of milk residue on the inside of the black frothing unit (the one with the dial which lets you choose foam or no foam).  Grip the dial firmly and pull it out while twisting. It may take a few seconds to twist and pull it out.  I had a very small spec of milk residue in one of the crevices on this piece.  Quick clean with a toothpick and plenty of hot water, reassembled, and it works perfectly.  Hope this helps someone.

Nov 05, 2007 | Jura Capresso Impressa Z5 Espresso/Coffee...

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