If your Breville Bambino Plus is struggling to build pressure during extraction, it can result in weak espresso or no flow at all. This guide provides clear, step-by-step troubleshooting to restore proper pressure, ensuring you get the best espresso experience at home.
Always prioritize safety and follow each step carefully to avoid damage to your machine or injury. Regular maintenance can prevent many pressure issues, so consider cleaning and descaling as part of your routine.
Key Takeaways
| Common Cause | Clogged or dirty portafilter and group head |
| Importance of Cleaning | Regular cleaning prevents pressure build-up issues |
| Check Water Filter | Ensure water filters are clean or replaced |
| Inspect for Blockages | Look for blockages in the brew path |
| Regular Descaling | Remove mineral buildup to maintain pressure |

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Step 1: Turn Off and Unplug the Machine
Before starting any troubleshooting, turn off your Breville Bambino Plus and unplug it to ensure safety during inspection and cleaning.

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Step 2: Remove and Clean the Portafilter
- Remove the portafilter from the group head.
- Disassemble the filter basket and rinse thoroughly to remove coffee oils and grounds.
- Check for any blockages or buildup that might restrict flow.
Step 3: Clean the Group Head and Shower Screen
- Use a damp cloth to wipe the group head and shower screen.
- Use a small brush to remove any coffee residue from the shower screen holes.
- Ensure no debris is blocking the water flow.
Step 4: Check and Replace Water Filters
If your machine has a charcoal filter, ensure it is not clogged. Replace filters with compatible options if needed, as blocked filters can affect pressure.
Step 5: Descale the Machine
Use a descaling solution or Breville’s cleaning tablets to remove mineral buildup that impairs pressure. Follow the descaling instructions for your model carefully.
The Products in This Guide

Breville Bambino Plus
- ✔ Voltage: 110-120V
- ✔ Wattage: 1600W
- ✔ Dimensions: 7.7 x 13 x 12 inches

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Pack Size: 8 tablets
- ✔ Material: Food grade
- ✔ Compatibility: All Breville models
Breville Bambino Plus

The Breville Bambino Plus is a compact yet powerful espresso machine that can experience pressure problems due to clogs or buildup. Regular cleaning and maintenance are key to keeping it functioning optimally.
Pros:
- Compact size
- Consistent pressure control
- Easy to clean
- Fast heat-up
Cons:
- Requires routine maintenance
- Clogs can still occur if neglected
Best for: Home baristas seeking quick troubleshooting tips
Not ideal for: Users looking for a maintenance-free machine
Bottom line: Regular cleaning and proper maintenance are essential for preventing pressure issues.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville’s official cleaning tablets helps maintain your espresso machine, ensuring it stays free of oils and residues that can cause pressure problems.
Pros:
- Effective cleaning
- Safe for machine
- Prolongs lifespan
- Easy to use
Cons:
- Must be used regularly
- Additional cost for tablets
Best for: Maintaining optimal machine health
Not ideal for: For those who prefer DIY cleaning methods
Bottom line: A must-have for consistent cleaning and pressure maintenance.
Frequently Asked Questions
Why is my Breville Bambino Plus not building pressure?
Common causes include clogged portafilter, dirty shower screen, or mineral buildup. Regular cleaning and descaling usually resolve the issue.
How often should I descale my espresso machine?
Descale your machine every 1-3 months depending on usage and water hardness to maintain optimal pressure and performance.
Can I use vinegar to descale my Breville Bambino Plus?
It’s recommended to use descaling solutions or Breville cleaning tablets, as vinegar may damage internal components over time.
What should I do if cleaning doesn’t restore pressure?
If cleaning and descaling don’t help, contact Breville customer support or consider professional inspection for potential internal issues.
Keep Your Brew Perfect with Routine Maintenance
Maintaining your Breville Bambino Plus with regular cleaning, descaling, and filter checks is key to preventing pressure issues. With proper care, your espresso machine will continue delivering rich, balanced shots for years to come.
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