If your Breville Bambino Plus isn’t maintaining pressure during extraction, it can lead to weak or watery espresso. This issue often stems from blockages, scale buildup, or worn-out parts. This guide provides clear, safe steps to diagnose and fix pressure problems, helping you restore your machine’s performance.
Before starting, ensure your machine is unplugged and cooled down. Proper maintenance and cleaning can prevent pressure issues and prolong your espresso machine’s lifespan.
Key Takeaways
| Check for Blockages | Clogged filters or shower screens can cause pressure loss. |
| Clean Regularly | Scale buildup and coffee oils reduce pressure and machine efficiency. |
| Inspect Seals & Gaskets | Worn seals can lead to pressure leaks, affecting extraction. |
| Use Proper Water Quality | Impurities can clog internal components, reducing pressure. |

Breville Bambino Plus, Black Stainless Steel
The Breville Bambino Plus delivers third wave specialty coffee at home using the 4 keys formula and is...
As an affiliate, we earn on qualifying purchases.
Step 1: Turn Off and Unplug the Machine
Always ensure the espresso machine is turned off and unplugged before performing any maintenance or troubleshooting to avoid electrical hazards or burns.

Breville BEC250 Espresso Machine Cleaning Tablets for Breville Models, 8 Pack
OFFICIAL BREVILLE CLEANING TABLETS: Extend your espresso machine's functionality and prolong its life by turning to the brand...
As an affiliate, we earn on qualifying purchases.
Step 2: Descale and Clean the Machine
- Remove the water filter and replace it if necessary.
- Run a descaling cycle using a descaling solution or a mixture of water and white vinegar, following the manufacturer’s instructions.
- Clean the shower screen, portafilter, and group head thoroughly to remove coffee oils and scale buildup.
Step 3: Check and Clean the Filter and Shower Screen
- Remove the filter basket and shower screen.
- Use a soft brush or toothpick to clear any clogs or coffee residues.
- Reassemble and ensure all parts are securely fitted.
Step 4: Inspect Seals and Gaskets
Check rubber seals and gaskets for cracks or wear. Replace any damaged seals to prevent pressure leaks.
Step 5: Test and Adjust
Plug in the machine, run a test shot, and observe pressure. If problems persist, consider replacing internal pressure components or consulting a professional technician.
The Products in This Guide
Breville Bambino Plus

The Breville Bambino Plus offers excellent espresso quality with its pre-infusion technology and precise water pressure. Proper maintenance, including cleaning and descaling, keeps it performing at its best.
Pros:
- Fast heat-up time
- Consistent pressure control
- Compact design
- Easy to clean
Cons:
- Requires regular descaling
- Limited water reservoir
- Can clog if not maintained
Best for: Home baristas seeking cafe-quality espresso
Not ideal for: Users who prefer high-volume brewing or frequent use without maintenance
Bottom line: A compact machine delivering professional results with proper upkeep.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 Cleaning Tablets helps remove oils and residues, ensuring your machine maintains optimal pressure and flavor extraction.
Pros:
- Effective cleaning
- Prolongs machine lifespan
- Safe ingredients
- Easy to use
Cons:
- Requires regular use
- Additional cost
- Limited to cleaning cycles
Best for: Regular maintenance of Breville espresso machines
Not ideal for: Infrequent users or those ignoring cleaning routines
Bottom line: A trusted solution for keeping your Breville clean and pressure optimal.
Frequently Asked Questions
Why is my Breville Bambino Plus not building pressure?
Common causes include scale buildup, clogged filters, worn seals, or blockages in the shower screen. Regular cleaning and descaling help prevent these issues.
How often should I descale my Breville espresso machine?
It’s recommended to descale every 1-3 months depending on water hardness and usage frequency to maintain optimal pressure and performance.
Can I fix pressure issues myself?
Yes, many pressure problems can be fixed through cleaning, descaling, and replacing seals. For internal components or persistent issues, consult a professional technician.
What cleaning products are safe for my Breville Bambino Plus?
Breville BEC250 Cleaning Tablets are specially designed for Breville machines and are safe and effective for routine cleaning.
Maintain Your Machine for Consistent Pressure
Regular cleaning, descaling, and inspection are key to resolving pressure issues and enjoying excellent espresso. Following these steps will help keep your Breville Bambino Plus in top condition, ensuring each shot is as flavorful as the first.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.