Question about DeLonghi EC155 Espresso Machine

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No Coffe , tamper works fine

We have already let much steam thru the tamper to clear pump from air. The pressure at the tamper is perfect, there is pressure at the boiler outlet but not sufficient to go thru the coffee , without the filter holder hot water does come out.

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Posted on Jan 02, 2017

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SOURCE: coffee machine leaking hot water also all lights come on front

Buy another one there like 10 bucks...

Posted on Jan 17, 2009

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  • 9 Answers

SOURCE: hot water comes to slow

It sounds like your water line may be clogged. Buy some descaler powder and follow the instructions on the package to clean away calcium deposits from inside your coffee maker's water lines.

Posted on Oct 23, 2009

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SOURCE: The coffee maker starts out working, however, by

A) On some coffeemakers the upper limit to the amount of ground coffee you can safely add to the filter is 15 TBSP. Exceed this amount and an overflow may result. In fact, there may be a disclaimer to this effect in the user manual. The solution may entail using less coffee or brewing smaller batches.

B) Try each of the following solutions, one at a time, until you hit on one that works for you:

1) a coarser grind to allow the water to pass through more easily;
2) a smaller amount of coffee in the filter basket;
3) brewing smaller batches;
4) another coffee brand/roast to see if the problem is caused by "blooms" (foaming action) associated with super fresh coffee. (This may be the culprit if you buy locally roasted coffee and grind the beans yourself.);
5) Try a paper filter if you normally use a permanent filter, or a permanent filter if you typically experience the problem while using a paper filter. It is also important to use only the type of filter recommended by the user manual. Do not interchange cupcake and cone filter types;
6) If using a permanent filter ensure that the pores/holes in the filter are not blocked with coffee residues. Clean as necessary with a clean (new) toothbrush and hot, sudsy water;
7) Ensure that the filter basket hinge is secure and "clicked" into place prior to brewing, the filter itself is seated properly, and the Brewing Pause spring is not jammed or bent in such a way that it fails to retract adequately to allow the coffee to flow through;
8) Make certain to push the decanter all the way in. Do not remove from the warming plate for more than 30 seconds if using the Brewing Pause feature.

Posted on Mar 05, 2010

  • 9 Answers

SOURCE: water not pumping

Typically this is caused by the heating/water unit inside the machine drying out. Not being totally familiar with your machine let me offer this suggestion: if you have a "hot water" function that allows you to run hot water out of the machine use it to allow water to get back into the heating unit. Once water flows through without interruption you should be able to brew coffee again. I know this is the case with Jura machines and the problem you described is identical to what happens with those machines when the internal heated water tank runs dry.

Posted on Mar 31, 2010

  • 18 Answers

SOURCE: Hi, We have just bought

Sounds like you need to prime the water pump. Remove the filter holder, open the steam knob and then press the coffee delivery switch. Wait for water to flow consistently from the steamer and then close the steam knob. Water should then be forced to flow through the goup head (coffee head). If you cannot get water to flow from steamer then the pump may have already been damaged or it may have been faulty from the start. If water will flow through steamer but not for the coffee, then the group head is blocked. Good luck hope this helps and remember that all machines should be primed like this before use.

Posted on Dec 15, 2010

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2 Answers

Coffe does not come out, it starts sounding that it will then it stops


If you remove the porta filter, will water come out when you turn on the pump? If so, your porta filter is clogged and soaking it in white venigar will unclog it. To keep it from clogging, after each use, put it back on the machine and run hot water thru it until the water runs clear. (Remove grounds first)
Does water come out the steam wand?
When was the last time you ran a cleaner thru it? The Saeco de scaler cleaner is designed specifically for your machine. Purchase from Amazon for about $10.00 and use every six months.
if it still won't work,melt me know.

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I replaced the pump and it's working, however, when I turned on the machine and the boiler came up, there's a stream of pressured steam coming out of releasing through the top of the machine. Any id


Hopefully, your pressure gauge is working, and if it is at 1.2 bar or so, then you have a failed anti-suction valve or boiler safety valve.
The ASV is the smaller fitting; it might be stuck, so you could try tapping the little button. The boiler safety valve is another matter - it will open at some point past 1.8 bar, which means the pressurestat is shot or its adjustment has been tampered with.



25401838-vippk3d42tdcmss1ngrlvpy2-1-1.jpgBoiler Safety Valve

It's most likely the ASV - they do get stuck open as well as closed...

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1: do you pres the switch for steam and wait until it is ready? 2: how long time machine needs to be ready for steaming?
solution 1 = if you don't press the steam switch on you will have very small amount of steam. solution 2 = if the machine gets ready only for few seconds to steam, than you must change your steaming thermostat attached in boiler(there are 3 of them: 1 security 2 coffee brewing 3 steam
i hope you fix it soon and enjoy in perfect espresso

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Check the thermostat on the steam boiler, that could have tripped, or the element on there could be damaged.

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My meile coffee machine cva620 is not froffing properly


check to see if your steam nozzle is clear unscrew tip and clean also run descaler thru to make sure steam tank is clear if still not ok steam tank thermostat may be faulty need to service machine hope this helps

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My kitchenaid artisan coffee machine not enough water


if you have water out brewing without handle with coffee, than you check this 3 things:
  1. how fine is grinded the coffe, is it too fine for your machine?
  2. does pump make enough pressure to brew your coffee(you can measure if you attach an gauge to handle or steam pipe.
  3. by any chance your boiler security valve opens too soon and dont let pump to get the needed pressure. (perfect pressure is from 7 to 9 bar)

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Water pump does not work


Hi,

Try to open the steam knob and turn on the button to make coffee, when the water flow out off the steam pipe, close the knob and the button.

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7 Answers

No steam


I used the straw to prime the lines and 50/50 mix of vinager and water and it worked perfectly. I then mixed the water container with the same mix and ran it through the system. All works fine now.

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1 Answer

Rancilio producing very very slow shots...even when no portafilter.


from your description i can conclude only 2 things:
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  2. pump pressure low
i think you can chek these 2 and have your perfect espresso again

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