If your Breville Bambino Plus is failing to build pressure during extraction, it can be frustrating and affect your coffee quality. This guide provides clear, practical steps to diagnose and resolve pressure issues safely, helping you enjoy cafe-quality espresso at home once again.
Before starting, ensure your machine is unplugged and cooled down. Regular maintenance and correct cleaning are key to preventing pressure problems, so follow these steps carefully for the best results.
Key Takeaways
| Check water and steam system | Ensure water reservoir and steam components are clear. |
| Inspect the portafilter and grind | Use the right grind size and dose for optimal pressure. |
| Clean the machine thoroughly | Remove coffee oils and residues that block pressure. |
| Verify the pressure gauge | Identify if the machine is reaching the required pressure. |
| Perform routine maintenance | Use proper cleaning products for longevity. |

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Check Water Reservoir and Water Path
- Ensure the water reservoir is filled and properly seated.
- Remove and inspect the water tube for blockages or leaks.

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Inspect and Prepare the Portafilter
- Use a consistent grind size, ideally medium-fine, and dose around 19 grams in the 54mm portafilter.
- Distribute and tamp the coffee evenly with firm pressure.
Clean the Machine Thoroughly
- Use a cleaning tablet like the Breville BEC250 or the Replacement Espresso Cleaning Tablet to remove oils and residues.
- Follow the cleaning cycle instructions for your machine.
Check the Pressure Gauge and Settings
Observe if the pressure reaches the optimal range during extraction. If not, check for blockages or worn seals that could prevent pressure buildup.
Perform Routine Maintenance
Replace charcoal filters if needed and descale the machine regularly to prevent mineral buildup that could affect performance.
The Products in This Guide

Breville Bambino Plus
- ✔ Safe: Food grade ingredients
- ✔ Effective: Removes coffee oils
- ✔ Convenient: Easy to dissolve

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Safe: Food-grade ingredients
- ✔ Effective: Oil and residue removal
- ✔ Convenient: Easy to dissolve
Breville Bambino Plus

The Breville Bambino Plus is a compact, high-performance espresso machine designed for home use. Regular cleaning with compatible products like the Breville BEC250 ensures it stays in top condition, preventing pressure issues and extending its lifespan.
Pros:
- Effective removal of coffee oils
- Gentle and safe for the machine
- Easy to use tablets
- Prolongs machine life
Cons:
- Requires regular use for best results
- Cost may add up over time
- Not a substitute for descaling if mineral buildup occurs
Best for: Maintaining optimal pressure and performance
Not ideal for: For machines with severe pressure system damage
Bottom line: Regular cleaning with quality tablets keeps your Breville Bambino Plus performing at its best.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 Cleaning Tablets ensures your espresso machine stays free from oils and residues, which can cause pressure drops. Regular use helps maintain consistent pressure and flavor.
Pros:
- Designed specifically for Breville machines
- Prolongs machine lifespan
- Easy to use
- Removes build-up effectively
Cons:
- Requires regular use
- Additional cost over time
- Not a descaling product
Best for: Deep cleaning for pressure stability
Not ideal for: For severe mineral scaling
Bottom line: Consistent cleaning with these tablets helps prevent pressure issues.
Frequently Asked Questions
Why is my Breville Bambino Plus not building pressure?
Common causes include blockages in the water pathway, coffee oils buildup, grind size issues, or mineral scale. Regular cleaning and proper maintenance can resolve these problems.
How often should I clean my espresso machine?
It’s recommended to clean your machine monthly with cleaning tablets and descale every 2-3 months or as needed, depending on water hardness.
Can I use regular cleaning products instead of specific tablets?
It’s best to use products designed for Breville machines, like the BEC250 tablets, to ensure compatibility and safe cleaning without damaging internal components.
What should I do if cleaning doesn’t fix the pressure issue?
If cleaning and maintenance don’t resolve the issue, consider checking seals, valves, or contacting Breville support for professional repair options.
Keep Your Breville Bambino Plus in Top Shape
Consistent maintenance, including regular cleaning with quality tablets, is key to preventing pressure issues. By following these steps and tips, you can enjoy flawless espresso shots every time and extend the life of your machine.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.