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De'Longhi EC155 Troubleshooting

One of De'Longhi's espresso and cappuccino maker.

No espresso is coming out when I turn my pump on

No espresso is coming out of the machine.

Lack of water in reservoir

Check to see if there is ample water in the reservoir. See guide on replacing the reservoir.

Clogged Pump

Descale the machine as described in page 10 of the user's manual.

The pump is making a loud noise

When running, the pump is making irregular, unexpected, loud noises.

Reservoir inserted incorrectly

Pull out the reservoir and re-position it. See guide on replacing the reservoir.

Machine won't turn on

No indication of power to the machine.

Not connected to a power source

Make sure the power cord is plugged into a working outlet.

Machine is not turned on

Flip the "on/off" switch to the "on" position.

The coffee froth is too light

The froth is coming out quicker and thinner than expected.

Ground coffee not pressed down firmly enough

Press a little harder, but not too much.

Not enough ground coffee

Add more ground coffee .

Ground coffee is too coarse

Remove any large chunks or grind the chunks to match the size of the rest of the ground coffee.

The coffee froth is too dark

The froth is coming out slower and thicker than expected.

Ground coffee is pressed down too firmly

Press a little softer, but not too much.

There is too much ground coffee

Remove any excess amount of coffee.

The espresso boiler outlet is blocked

Refer to the Cleaning the Boiler Outlet guide on page 10 of the user's manual.

The filter is blocked

Refer to the Cleaning the Filter guide on pages 9 and 10 of the user's manual.

The ground coffee is too fine

Remove fine coffee and replace with coarser coffee.

Coffee is too damp

Let coffee air-dry.

The espresso coffee is cold

The coffee is not the ideal temperature of 140 degrees Fahrenheit.

No preheating was performed

Refer to the Preheating the Espresso Coffee Unit guide on page 8 of the user's manual. Also, wait for the indicator light to turn on.

No milk froth is formed when making a cappuccino

Milk not cold enough

Make sure skim milk is used at refrigerator temperature.

Cappuccino frother is dirty

Thoroughly clean the holes in the cappuccino frother as depicted in figure 21.

댓글 16개

Mine unit has a hissing / boiling sound then after I make the espresso and remove the handle, there seems to be air pressure being released. What could this be?

malexandre - 답글

Great guide!

Mine had not been descaled or cleaned in 6 months... Bad boy. After cleaning it with 50% vinegar and cleaning both the coffee filter and the boiler filter (with a needle - tedious) the water barely dripped out. The pump pushed a healthy stream of water out the milk frother so I knew that was good. I removed the boiler filter again and it was still clean. I then tried pushing a 25% vinegar solution through the boiler discharge tube without a filter in place. (Better this way too as the filters don't need to be flushed afterwards. ) Initially just drips but suddenly as pressure built a plug of material gushed out. After this, nearly a whole reservoir of my descaling solution flowed well but was cloudy. I then flushed it and the milk frother with another two full reservoirs of clean water and it slowly came through clear (flushing the vinegar taste from the system). Our little espresso machine is working like a champ again. And a lot quieter.

Andrew Cole - 답글

I think that's exactly what I need to do - thank you! Any warning about dripping without filter?

gvanoni -

Mine is brand new and nothing is coming out. It doesn't seem like it's even sucking up any water? I know the reservoir is inserted correctly, so I'm not sure what the problem is.

Jasmine Howard - 답글

Mine is doing the same! Did you find a way to fix it?

Marby -

I’m also having the same problem with a brand new machine.

Jeana Mann -

I just bought the DeLonghi Espresso machine, where you put a pod in it and trun it on and coffee comes out.

I tried it today for the first time, and no problem: a lovely coffee.

Went to make a second cup and only water would come out (Yes, I had put in a fresh pod.)

I cannot get another cup of coffee - only water!

Anyone able to help please?

L. Williscroft - 답글

Did you get any help from De Longhi ? I am having the same problem and cant get through to them


I bought a DeLonghi Espresso machine (Inissia) recently and today made a lovely coffee (it uses pods.)

I went to make a second cup but it would only give out water!

Yes, I had replaced the pod.

I cannot get it to make coffee - only water.

Anyone able to help please?

L. Williscroft - 답글

I turn my machine on the red power light stays on for a few seconds then turns its self off?

thanks De'Longhi EC146 Espresso Cappuccino Maker

kieran - 답글

I have not been getting any coffee to come out so I descaled and cleaned the filter holder per the manual. Still not much better so I want to clean the boiler outlet and remove the boiler outlet filter also per the manual. My problem is that I cannot get the screw fixing the filter off ! It just looks like a normal phillips head screw but none of the screwdrivers I have tried have really “caught”. Is it a special screw ?

Faith Brennan - 답글

I cleaned my machine with the delonghi descaler and now I get only water I use delonghi filters but cannot get coffee to brew. I bought a new brew basket.

lindaparadis59 -

Same problem as many others, nothing will come out of my machine. There’s water and the resivior is in correctly. The machine noise start normally, then gets so low you can barely hear it. The machine is very new but I have attempted to descale anyway. I can’t do that now since it’s not even pulling up water into the unit. I just wish I hadn’t wasted my money on it.

jennifer - 답글

Used it once. Cleaned it properly, it's been sitting on the counter for hours and the boiler won't cool off. I can't keep it on the counter, it takes up too much space. But I don't want to put it away if the boiler is still warm. What do I do???

Carissa May - 답글

If water is not coming out anymore - you have clogged machine, that was not cleaned. Read instructions how to do it, and next time clean before it clogs.

edis patssautoks - 답글

My delonghi bean-to-cup machine discards coffee beans without grinding them. It just throws away beans while grinding some. So 1 container of beans delivers you 3-4 cups of coffee and when it tells you to clean the coffee ground container it is full of whole beans…

What could be the problem?

Izzlie - 답글

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