If your Breville Bambino Plus is not building pressure during extraction, it can lead to weak espresso and inconsistent results. This guide provides clear, safe steps to diagnose and resolve pressure issues, helping you enjoy cafe-quality coffee at home.
Whether the problem stems from a clogged group head, scale buildup, or worn-out parts, these troubleshooting steps will help you restore proper pressure and get your espresso machine back in top shape.
Key Takeaways
| Check for blockages | Clogged filters or shower screens can cause pressure loss. |
| Clean regularly | Scale or coffee oil buildup impairs pressure and performance. |
| Inspect the pump | A failing pump may require cleaning or replacement. |
| Use proper water quality | Hard water can cause scale, affecting 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
Ensure safety by turning off and unplugging your Breville Bambino Plus before beginning any troubleshooting or cleaning procedures.

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 Filter and Shower Screen
- Remove the portafilter and inspect the filter basket for coffee grounds or oil buildup.
- Detach the shower screen (refer to your user manual if needed) and soak it in hot water with cleaning tablets like the Breville BEC250 if necessary.
- Use a soft brush or cloth to clear any blockages.
Step 3: Descale the Machine
Scale buildup can obstruct water flow, reducing pressure. Use descaling products compatible with your machine, such as the Breville BEC250 tablets, following the instructions carefully to remove mineral deposits.
Step 4: Inspect the Pump and Water System
If cleaning doesn’t restore pressure, listen for unusual noises during operation which may indicate a failing pump. You might need to replace the pump or have it professionally serviced.
Step 5: Reassemble and Test
After cleaning and descaling, reassemble the machine. Run a test shot to check if pressure is restored. If issues persist, consider consulting a professional technician or contacting Breville support.
The Products in This Guide

Breville Bambino Plus
- ✔ Voltage: 120V
- ✔ Water Capacity: 64 oz
- ✔ Heating System: ThermoJet

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Package Size: 8 tablets
- ✔ Application: Cleaning shower screens and filters
- ✔ Safety: Food grade, non-corrosive
Breville Bambino Plus

The Breville Bambino Plus is a compact yet powerful espresso machine that can encounter pressure issues due to scale, blockages, or worn parts. Regular maintenance and cleaning are key to keeping it performing optimally.
Pros:
- Easy to disassemble for cleaning
- Compatible with cleaning tablets
- Prevents long-term damage
- Improves espresso quality
Cons:
- Requires regular upkeep
- Pump replacement may be needed over time
- Scale buildup can be stubborn
Best for: Home baristas seeking quick, effective maintenance
Not ideal for: Users expecting zero troubleshooting effort
Bottom line: Regular cleaning and descaling are essential to prevent pressure issues with your Breville Bambino Plus.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 Espresso Machine Cleaning Tablets ensures thorough cleaning, prolonging your machine’s lifespan and maintaining optimal pressure.
Pros:
- Designed specifically for Breville machines
- Effective at removing coffee oils
- Easy to use
- Non-corrosive formula
Cons:
- Requires regular use
- Limited to cleaning, not repair
- Additional descaling needed for mineral buildup
Best for: Maintaining performance and hygiene
Not ideal for: For users needing mechanical repairs
Bottom line: Incorporate cleaning tablets regularly to keep your Breville espresso machine in top shape.
Frequently Asked Questions
Why does my Breville Bambino Plus lose pressure during extraction?
Common causes include scale buildup, clogged filters, or a failing pump. Regular cleaning and descaling can often resolve these issues.
How often should I descale my Breville Bambino Plus?
It’s recommended to descale every 2-3 months or more frequently if you have hard water to prevent scale buildup that affects pressure.
Can I fix the pressure issue myself?
Yes, many pressure problems can be addressed through cleaning, descaling, and inspecting parts. However, for mechanical failures like pump replacement, professional service is advised.
What cleaning products are safe for my Breville Bambino Plus?
Use official Breville cleaning tablets like the BEC250 or compatible descaling products. Avoid harsh chemicals that can damage internal components.
Keep Your Breville Espresso Machine in Top Shape
Regular maintenance, including cleaning and descaling, is key to preventing pressure issues and ensuring your Breville Bambino Plus consistently produces perfect espresso. Addressing clogs and mineral buildup promptly will extend the lifespan of your machine and improve your coffee experience.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.