How to Clean Your De’Longhi Espresso Machine Properly

If you’ve ever pulled a shot from your De’Longhi espresso machine only to find the crema flat or the taste off, dirty internal parts might be to blame. Over time, coffee oils, old grounds, and mineral buildup inside the brew group, water tank, and drip tray can affect both machine performance and flavor. Keeping it clean isn’t just about hygiene—it’s essential for great espresso.

To properly maintain your De’Longhi machine, you’ll need to clean the coffee grounds drawer, water reservoir, drip tray, brew group, and nozzle regularly. Each part requires specific attention to prevent clogs, odors, and poor extractions.

Basic Exterior & Accessory Cleaning

Start with the visible parts that collect coffee debris daily. The coffee grounds drawer must be emptied before cleaning—never rinse or wipe it while grounds remain inside. The water tank also needs regular cleaning to avoid stale or moldy tastes transferring into your espresso. Use fresh water and a light scrub to keep it clear.

The drip tray includes a red float indicator that shows water levels. When this float rises high and becomes visible, the tray is full. If the drainage hole gets blocked, you can gently unclog it with a needle or pin. Wipe down the tray and check the float regularly. Also, use a damp sponge to clean the machine’s external nozzle area. This prevents buildup that could affect temperature or hygiene.

Why Cleaning the Brew Group Matters

The brew group—or extraction unit—is where hot water meets coffee grounds to make espresso. Oils from coffee beans cling to its internal surfaces, and over time this residue alters taste, reduces crema quality, and can even slow or break the pump. Cleaning this part regularly preserves both flavor and function.

How to Clean the De’Longhi Brew Group

Cleaning the brew group requires turning the machine off—but not unplugging it—and waiting until all lights go out. Once cooled, open the brew group cover by lifting it carefully. Remove both the drip tray and coffee grounds drawer first. Then, locate the two red release buttons on either side of the brew group. Press them inward at the same time to slide the brew group out.

Caution: The brew group can only be removed when the machine is completely powered off. Trying to force it out while the machine is on may damage internal components.

What Happens If You Skip Cleaning?

Neglecting these steps leads to clogged filters, bitter or weak shots, slower extraction times, and eventually machine breakdowns. Old coffee oil turns rancid, minerals build up, and the pump works harder. Regular cleaning extends your machine’s life and ensures every shot tastes its best.

Frequently Asked Questions

How often should I clean my De’Longhi espresso machine?

Clean the coffee grounds drawer and drip tray after every use or at least daily. The water tank should be rinsed every few days and deep-cleaned weekly. The brew group should be removed and cleaned monthly, or more often if you use the machine daily.

Can I clean the brew group without turning off the machine?

No. The brew group must only be removed when the machine is fully powered off and all lights are off. Removing it while the machine is on can damage the brew mechanism or internal electronics.

What is the red float in the drip tray for?

The red float indicates the water level inside the drip tray. When it rises and becomes clearly visible, the tray is full and needs emptying. If the drainage hole is blocked, you can use a needle to gently unclog it.

Do I need to clean the external nozzle?

Yes. The external nozzle can accumulate coffee residue or mineral deposits. Wipe it down regularly with a damp sponge to maintain hygiene and ensure proper temperature transfer during extraction.

What happens if I don’t clean the water tank?

Stale water or mold can develop inside an uncleaned tank, which will negatively affect the taste of your espresso. Rinse the tank regularly and deep clean it at least once a week to maintain water freshness.

Recommended FrontStreet Blends for Home Espresso

For De’Longhi machines, FrontStreet Coffee’s Classic Blend delivers rich crema and a balanced body—perfect for milk drinks like lattes and cappuccinos. Its traditional blend base ensures smooth extraction even with non-professional home machines. For a fruit-forward option, try the Strawberry Candy Espresso, which highlights sweet berry notes and works well in milk or black. Budget-conscious shops or frequent users will appreciate the Black Cocoa Blend: it offers strong crema and deep flavours at a great value. All three are freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.