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Too much pressure and coffee not coming through

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Ena9 coffee comes out is bitter


The most common cause of bitter coffee is that the water is too hot. And the most common cause of too hot water is too much pressure in the boiler. So, the first thing to look at is the pressurestat of the machine, it should be accessable and adjustable. 1.5 bar is often the maximum pressure for good coffee (don't confuse it with the 11 bar pressure in the grouphead when brewing).

Jul 28, 2014 | Capresso Jura-Silver/ Black ENA 9 One...

2 Answers

Hi there. problem with my La pavoni PL-16. No coffee comes out. The vapour its ok, it comes out but from the place the coffee should comes out, it doesnt. With or without the the filter holder. Whats...


Hi if there is Vapor coming from the grouphead when the lever is down then I would guess there is a problem with the seals around the piston and possibly elsewhere. Here is a link to a goos site that looks at repairing La Pavoni lever machines. Good luck.
DIY

dr pavoni

May 29, 2014 | La Pavoni Lusso PL-16 Espresso Machine

1 Answer

My Delonghi EC750 coffee maker seems to be blocked


I would try to flush the line out with compressed air and hot water or pressure wash. You can also use hot pressurized water and vinegar.

Jun 09, 2012 | DeLonghi Coffee Makers & Espresso Machines

1 Answer

My keurig B40 coffee maker just pure out water hardly any coffee. It makes it taste like a weak coffee even when it's should be strong. It was blocked and we try vinegar but that wasn't the problem. We...


Look at the top needle, there should be a rubber like seal that sits around its base. This seals the needle so all the water with pressure goes the the cup. If the seals not there, it can't build the water pressure necessary to go through the coffee inside the cup, thus coming out around needle and out around cup, making it mostly water in your coffe cup.

Mar 03, 2011 | Keurig Elite B40 Coffee Maker

1 Answer

Insufficient pressure to force water through coffee


Propably the vibrating water pump is the problem.
It might be full of scale and it can not create any pressure or it is completetly damage and need to be replaced.
First we sugest to perform a descaling of the machine and try again.
Second you should try to reduce by little the quantity of the grounded coffee used. Aprox you should use 7 to7.5 gr of coffee. If you try to use about 6 to 6.5 and you have the coffee runing out from the machine like in 25 sec you have about 30 cc of water. Then try to clean the group shower which it can be ansrew by one cetrer screw and if you can you can open the machine and remove to clean also the coffee group solenoid valve. Bothe the valve and shower can be full of dry coffee that can blocked the way of water coming to the grounded coffee.
If you manage to clean everything above and the machine work ok so from now on in order to avoid the problem again try to flush water from the group many times without any coffee. With this is like you wash the group shower and valve from any remai coffee.
Good luck

Jun 04, 2010 | Krups Cappuccino/Espresso Maker -...

2 Answers

Saeco Odea Go - Hot water leaks from bottom of machine


That's leaking from the hoses coming out from the boiler,if the machine is new it should be still under warranty, may have to take it back to the service center.When making coffee the lines are under pressure and the water never have a chance to pass through the ground coffee.

Feb 03, 2010 | Saeco Odea Go

1 Answer

Leaking coffee grounds and water


HI
There should be a small amount of coffee residue and about an oz. of water going into the drip tray. This is the pressure relief process, when the machine finishes the coffee making. If it didn't release the pressure thhis way you could have an explosion of coffee when it cycles back.

Jan 04, 2010 | Saeco Vienna Espresso Machine

1 Answer

Rancilio silvia


If your machine is recent it is a v3 which comes with an adhustable over pressure valve. It is possible to test the pressure (without the expense of a gauge) be using the balnking disc and measuring flow with a measuring jug (or scales) and a watch. check the make of pump and google for it - the Rancilio site also has the data flow rates for the pumps used. If you get the correct flow rate - the machine is fine and it comes down to grind and tamp... the stuff of alt.coffee and countless forums. Also have your freind use his coffee in your machine and see if he gets different results to you.

Dec 28, 2009 | Rancilio Silvia Espresso Machine

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