If your Breville Bambino Plus is not building pressure during extraction, it can lead to weak or watery espresso. This guide provides practical, safe steps to identify and resolve common pressure issues, restoring your machine’s performance.
Before starting, ensure your machine is unplugged and cooled down. Regular maintenance and cleaning are key to preventing pressure problems in your Breville espresso machine.
Key Takeaways
| Check for blockages | Clogged filters or ports can cause pressure loss. |
| Clean the machine | Residue buildup affects pressure and extraction. |
| Inspect the portafilter and basket | Ensure grounds are packed correctly and no blockages. |
| Verify water pressure and filters | Dirty filters or low water pressure can impact performance. |
| Regular maintenance | Consistent cleaning prevents pressure issues. |

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
Ensure the espresso machine is turned off and unplugged from the power source. Wait for it to cool completely before handling any internal components to avoid burns or damage.

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: Check and Clean the Portafilter and Filter Basket
- Remove the portafilter and detach the filter basket.
- Inspect for coffee grounds or coffee oil buildup.
- Clean thoroughly with warm water and a brush.
- Reassemble and ensure the portafilter is correctly seated.
Step 3: Examine the Group Head and Nozzles
Remove the shower screen and inspect for blockages or clogs. Use a soft brush or a pin to clear any debris. Make sure water flows freely through the nozzles during a rinse cycle.
Step 4: Clean or Replace Water Filters
If your machine uses water filters, check if they are clogged or due for replacement. Replace with a new Breville Charcoal Filter or compatible filter to ensure optimal water flow and pressure.
Step 5: Run a Cleaning Cycle
Use dedicated cleaning tablets like the Breville BEC250 or a compatible cleaning tablet. Follow the manufacturer’s instructions to descale and clean the internal components, which helps restore pressure and performance.
The Products in This Guide

Breville Bambino Plus
- ✔ Dimensions: 12 x 7.7 x 12 inches
- ✔ Weight: 10.4 pounds
- ✔ Warranty: 1 year

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Size: Pack of 8 tablets
- ✔ Ingredients: Food-grade ingredients
- ✔ Special Feature: Designed for thorough cleaning
Breville Bambino Plus

The Breville Bambino Plus is a compact, high-performance espresso machine designed for home use. When experiencing pressure problems, regular cleaning and inspection are essential to maintain its third-wave coffee extraction capabilities.
Pros:
- Compact and stylish design
- Fast heat-up with ThermoJet
- Consistent pressure due to pre-infusion
- Easy to clean and maintain
Cons:
- Clogged filters can impact pressure
- Requires regular descaling
- Potential for blockages if not maintained
Best for: Home baristas seeking professional results
Not ideal for: Users who prefer extremely high-volume brewing or frequent descaling
Bottom line: Regular cleaning and inspecting key components can resolve pressure issues effectively.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 Cleaning Tablets regularly ensures your machine stays free of coffee oils and residues, which can cause pressure loss. Proper cleaning extends the lifespan and maintains optimal performance.
Pros:
- Effective cleaning of oil buildup
- Safe and non-corrosive
- Easy to use with precise dissolution timing
- Prolongs machine life
Cons:
- Requires regular use for best results
- Additional cost for cleaning supplies
- Not a fix-all for mechanical issues
Best for: Maintaining cleanliness and performance
Not ideal for: As a sole solution for mechanical pressure problems
Bottom line: Use regularly to keep your Breville espresso machine performing at its best.
Frequently Asked Questions
Why is my Breville Bambino Plus not building pressure?
Common causes include clogged filters, blockages in the group head or nozzles, scale buildup, or worn-out seals. Regular cleaning and maintenance can often resolve these issues.
How often should I descale my Breville espresso machine?
It is recommended to descale every 2-3 months or more frequently if you have hard water to prevent mineral buildup that can affect pressure.
Can I fix pressure problems myself?
Yes, many pressure issues can be resolved through cleaning, inspecting filters, and descaling. However, if problems persist, professional servicing might be necessary.
What cleaning products are recommended for my Breville Bambino Plus?
Breville BEC250 Cleaning Tablets are specifically designed for Breville machines and are highly effective for maintenance and cleaning.
Getting Your Espresso Back on Track
Addressing pressure issues in your Breville Bambino Plus requires a combination of regular cleaning, inspecting key components, and using quality filters and descaling products. With consistent maintenance, you’ll ensure your machine consistently produces rich, balanced espresso for years to come.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.