How To Fix Delonghi Espresso Machine? 4 Best Methods

When you purchase a Delonghi espresso machine, you know you will get a delicious cup of coffee every time. However, like any piece of machinery, occasionally problems may arise. Here are the 3 main solutions how to fix the Delonghi espresso machine.

  • Check the Water Tank
  • Clean Out the Reservoir
  • Check the Gaskets

One common problem is the machine leaking water underneath or into the drip tray. But with my guide, you’ll be able to know how to fix Delonghi espresso machines’ problems. 

In this blog post, I’ll walk through some potential solutions to help get your coffee machine back up and running in no time. 

4 Ways To Fix Delonghi Espresso Machine

1. Check the Water Tank

The first thing you’ll want to do is check the water tank for any cracks or other imperfections that may be allowing water to escape from inside. If there are any visible signs of damage, contact Delonghi customer service for assistance. 

2. Clean Out the Reservoir 

Another possible cause of your Delonghi espresso machine leaking could be due to a build-up of dirt and grime in the reservoir. 

To fix this issue, make sure to empty out the reservoir and give it a good scrub with warm soapy water. Be sure to rinse off all soap residue before refilling it with fresh water again. 

Fix the problem: How to Steam Milk With Delonghi Espresso Machine?

3. Check the Gaskets

The gaskets located around the portafilter and filter holder can become worn over time which can cause leaks as well. Inspect them closely for any signs of wear or tear and replace them as necessary if they’re damaged beyond repair. 

4. Test It Out

Once you’ve gone through each potential solution above, run a few test shots before using your espresso machine in earnest again. This will allow you to ensure that everything is working properly again without any further issues arising down the line. 

Watch This Video: How To Fix Delonghi Espresso Machine?

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Delonghi Leaking Water Underneath: Let’s Fix

Have you ever noticed water leaking out from underneath your Delonghi coffee machine? Or worse, have you noticed water leaking into the drip tray and causing a mess in your kitchen? 

If so, don’t worry. You can easily troubleshoot the issue and get your coffee machine back up and running properly in no time. 

Let’s take a look at some common causes of a leaking Delonghi machine and how to fix them. 

1. Buildup of Mineral Deposits 

One of the most common causes of leaking on a Delonghi machine is a buildup of mineral deposits. Over time, hard water can leave residue behind which accumulates on internal components and affects performance. 

To fix this problem, it is important to regularly descale your machine using an appropriate solution. Many commercial descaling solutions are available or you can use white vinegar diluted with water.  

2. Broken Water Line 

Another possible cause of a leaky Delonghi coffee machine is a broken water line or gasket. This could be due to aging components or long-term wear and tear. 

In this case, it may be necessary to purchase replacement parts from an authorized dealer in order to repair the issue correctly. Make sure to purchase genuine replacement parts for the best results. 

3. Clogged Drain Pipe Hose 

It is possible that your coffee machine’s drain pipe hose is clogged or blocked by debris such as coffee grounds or dust particles. 

In this case, it is important to clean out the drain pipe hose regularly using a soft brush or cloth dipped in warm water with detergent added for best results.

Once cleaned out thoroughly, make sure that all components are reassembled properly before turning the unit back on again.  

Delonghi Coffee Machine Leaking Into Drip Tray

The leakage from the coffee machine into the drip tray is typically caused by a faulty gasket or seal around the portafilter.

To fix this problem, you’ll need to replace the gasket or seal. You can purchase replacement parts from most online retailers or directly through DeLonghi. 

How to Open Delonghi Espresso Machine?

If you need to access the inside of your espresso machine for maintenance or cleaning purposes, you may not know where to start. Fortunately, opening a DeLonghi espresso machine is relatively simple. 

First, locate the water tank and unscrew its lid counterclockwise until it is loose enough to remove. 

Then, use two hands to open up the top panel of your espresso machine by pressing down on either side while lifting up gently on both sides at once. 

This should reveal all of the internal components of your espresso machine. So you can begin any necessary repairs or cleaning tasks. 

How to Fix a Delonghi Espresso Diffuser? 

If your DeLonghi espresso diffuser isn’t working properly, then you may need to check if there is an obstruction in its pathway. 

Start by removing the portafilter and inspecting its interior for any blockages that might be preventing water flow through it properly. 

If there are no blockages present, try cleaning out any residue that has built up over time. If everything needs to be reassembled and given another go, use vinegar or another mild cleaning solution and a soft cloth. 

As previously mentioned, “IFIXIT” Is a great place to get info on fixing various household items. Here is a great forum on the Delonghi Machines.


Keeping your DeLonghi espresso machine running smoothly doesn’t have to take a lot of time or effort. just knowing how to troubleshoot some common issues can save a lot of frustration down the line.

Whether you’re dealing with leakage into the drip tray, opening up your machine for maintenance work, or fixing an issue with your diffuser.

By following these steps above, you should be able to identify what’s causing your machine to leak and take action accordingly. So that it can start making delicious cups of coffee once more.

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