Question about DeLonghi EAM3500 Espresso Machine/Coffee Maker

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Same problem as mgee21: I own a delonghi esam 4500. The milk container is missing the frothing regulator. Does anyone know where I can get a frothing regulator without having to order the whole lid assembly?

Posted by Anonymous on


5 Suggested Answers

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Posted on Jan 02, 2017

  • 3051 Answers

SOURCE: I have a Delonghi EAM

remove the o rings where the milk frother connects to, there is a green, red and black rubber O ring. Remove them and get a toothpick and clean around where they sit. You will notice a hard milk build up like when you get on your teeth. This is what
tbirdfan1 says:
may be causing your problem the o-rings are not setting their properly

tbirdfan1 says:
here is some more information

tbirdfan1 says:
It turns out the electrical connection for the solenoid valve that feeds the hot water out into the milk jug/hot water tap had come loose. They are clipped on rather than being soldered into place. Trace the wires back to the main board from the sole

tbirdfan1 says:
from the solenoid (brass bit with grommets) and check that the clips are in place.

Posted on Nov 10, 2009

  • 2 Answers

SOURCE: I have a Delonghi Magnifica

I purchased a unit second hand for my wife's birthday today. It's only 4 months old, got it home, tested it, same problem... No froth!

I've read all the posts here and all were very helpful troubleshooting guides however they did not solve the issue.

Understanding how the frothing mechanism functions is half the battle in figuring out the solution. It's a simple vacuum type system. No doubt you've read about checking the orings. This is definately the first thing to check however if this is not the reason then consider the following.

The larger of the white tubes that has the red and black oring inserts deep into its port on the tap. Why? It pushes steam past the milk pipe directly into the chrome frothing tube which causes a vacuum essentially drawing milk up it's hose creating the froth. What you can't see without further investigation is that on the underside of the tube centered between the red and black orings is a small hole. This hole is responsible for drawing the milk upwards. If this is blocked, and it probably is then no milk and no froth. Use a really small screwdriver to carefully clean the white tube both from the front and the little hole underneath.

So in conclusion. Any air leak between the red and black orings will prevent the vacuum required to draw milk up the tube and alternatively any blockage of the milk channel will also obviously prevent the flow into the frothing mechanism. Hope this helps.

Posted on Jan 10, 2010

  • 18 Answers

SOURCE: I have a Delonghi Prima

Where is it blowing steam from? If it is coming from the milk spout then it most likely that the milk jug is blocked somewhere. If it is coming from where the jug connects to the machine (coupling) then you might need to change the complete coupling (assuming you used the correct orings). The biggest cause of frothing problems with these machines is lack of cleaning of the milk jug. Soak the top in quality milk cleaner for at least an hour and rinse thoroughly. Also run cleaner through it regularly using the milk only function.

Posted on Dec 12, 2010

  • 586 Answers

SOURCE: Delonghi ESAM3500 with not froth milk. Water will

Hello there,
Make sure that the milk container lid is clean; rise it vigorously with hot water, Make sure that you are only using 2% milk and Make sure that it's cold 2% milk.
Once that is checked, and not to be the problem, then it requires you to replace the coupling block.
There are many possible points that you may have the leak. The pump, boiler, volumetric dozer, water/steam valve are connected together with Teflon pipes and supports at the ends with the clips and one "o" ring. In one of this point the clip can slip out so the Teflon hose to be loose and so the leak which is at the point which you can see. There are also some cases if the machine is more that 2-3 years one of the above parts to leak itself due to tearing out and it might need to be replaced. So you need to remove first the top panel and then the side panel and work the machine with extra safety since we have power wires and with visual check to find the point of leak.
If it is just the Teflon pipe and clip slip out the secure it back again, if it one of the part you can try to tight up and if the leak insist then you need to replace it.
Would be glad to know if the information was helpful to you. All the best Elect_Comp

Posted on Sep 26, 2011

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Here is the manual:

Two causes from the troubleshooting section:
The froth regulator is incorrectly adjusted. • Adjust following the instructions in the section on preparing drinks with milk.

The milk container lid is dirty. • Clean the milkcontainer lidasdescribedin the section "Cleaning the milk container".

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I was told this was a problem with the O rings on the machine (you need to keep these clean or replace them (if necessary) to keep the milk container working properly).

I did this and still had the same problem. Turns out the top on the milk container needed to be replaced. It's $20 from Delonghi but at the time of this writing is out of stock (I have waited three seeks so far and Delonghi is supposed to be escalating my request).

I finally got frustrated with the whole thing and completely disassembled the milk container top (there are a total of 5 screws and you need to remove the froth control slider to get to one of them) and gave everything a good cleaning. Pay attention to the small orifice on the inside of the chrome tube that the milk comes out of. Using a dental gum cleaning brush or similar sized brush and some hot soapy water should get the dried milk residue out. Inside the top is also a rubber piece that the froth regulator inserts into. Reomve this rubber piece and clean thoroughly. Make sure and clean all other areas inside the top with hot soapy water. Make sure to look the top over well as you disassemble to be sure note all component positions for reassembly. Make sure when reassembling that the cleaning button and its spring are reassembled correctly. The small red O ring on the end of the cleaning button's rod should be cleaned well and the small tube into which it inserts should be free of any milk residue. One last item to check is the rubber bushing that rubber milk uptake tube inserts into is clean and making a good seal. Note that this bushing should make a good seal on both sides (the side the rubber uptake insrts into and the side the upper side of the top inserts into. Make sure all parts are reassembled correctly. In general if you clean and rejuvinate all areas that need to make a tight seal you should get good results. I have no experience here but it would be my observation that even with a good thorough cleaning job the results may not last a real long time as it seems that parts in the top show wear after about a year and a half of daily use. In my oppinion the purchase of a new $20 top makes sense, but if you can get one or don't want to wait you can spend the 30 minutes to do the above cleaning. Because of apparent backorder issues at Delonghi this may also be a good idea to buy upfront. Make sure to include the 5 O rings in the order ($1 each) to avoid paying two shipping fees. I have found one of the O rings at Lowe but was unable to find a few of the sizes (smaller than Lowes sells).

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