Question about DeLonghi EAM3500 Espresso Machine/Coffee Maker

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My coffee tastes bitter and water is not hot

My coffee tastes bitter and water is not hot enopugh

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The problem is that there is old coffee oil sediment in the black parts on the machine door. Every time you make coffee, no matter how well you clean the guts of the machine, this coating remains forever. If your really handy, you need to remove these parts very carefully. Take it apart! Don't drop the spring!!!. I soak these in a good cleaning solution and scrub them. Do a good job. I use little tooth brushes and other stuff. It not a difficult task. But go slowly. I photograph before starting so I know how it all goes back.
This is the only way to get the really burnt taste out. Lots of luck.
Also descale too.

Posted on Aug 20, 2010

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You need to delime or descale the unit with white vinegar, that will clean it out

Go here to get the manual and it will tell you how to do it....

http://www.retrevo.com/support/Delonghi-EAM3500-Coffee-Makers-manual/id/3878ci577/t/2/

Posted on Aug 07, 2010

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1 Answer

Coffee tastes bitter


two days is not enough for the machine to scale or get dirty from old grinds usually would be either coffee or water problem ---but depending on machine you have didnt specify- can be residue from plastic or container try running a vinegar cleanse than 3 just fresh water then try a coffee drop and see it taste is any different if no change bring back for a refund or exchange

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If the water that comes into contact with the coffee grounds is too hot, you will extract bitter elements from the coffee. The water should not be boiling when poured on the coffee grounds. Coffee oils, fats and sediment are the natural parts of the coffee bean that causes bitterness by forming as the brew ages. The longer the coffee sits the stronger it tastes.
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You will likely find the bitterness is a function of your coffee bean choice or the 'roast' component of that coffee. Darker roasts tend to taste bitter.

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Over time, my coffee has become acrid and bitter. I use fresh ground coffee and clean my pot regularly...what else should I do?


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Ran descale program and coffee still tastes funny (bitter)


If you are using a Claris filter, please remove this from the watertank. The descaling agent will clog the filter and make the water taste bad. After descaling, also be sure to rinse the watertank so there`s no resedue of the solvent left in the tank.

However, bitter taste on the coffe usually is related to the coffee side; Try to run a cleaning program. And check grinder settings. If the powder is to fine, it will increase the contact time, and that will make the coffee bitter. My advise is to clean the machine and experiment a little with the grinder settings.

Good luck!

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My coffee tastes bitter and when I open the maschine and look inside there is coffee resedue everywhere.


Could be that your water is not hot enough. I also recommend using bottled water instead of tap water. The coffee resedue most likely stems from grinding to much. Need to adjust the grinder.

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Hi,
besides a good coffee machine, 2 things are critical when you want a good cup of coffee; the coffee itself and the water. When in France, i tasted some of the best coffee I have ever had, but they always told me that the quality and purity of the water made for 50% of that great taste. Has your municipality changed anything about the water treatment recently? Do you drink that same water and find it tastes funny? Perhaps bottled water is a solution in your case. Hoping this helps.
Marc

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