Question about DeLonghi EAM3500 Espresso Machine/Coffee Maker
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Posted on Jan 02, 2017
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
may be causing your problem the o-rings are not setting their properly
here is some more information
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
from the solenoid (brass bit with grommets) and check that the clips are in place.
Posted on Nov 10, 2009
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
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
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
Tips for a great answer:
Two O-Rings. A small Black one and a larger Orange one.
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