If your Breville Bambino Plus isn’t building pressure during extraction, it can lead to weak or no espresso. This guide provides clear, safe steps to diagnose and resolve common pressure issues, helping you restore optimal performance and enjoy cafe-quality coffee at home.
Key Takeaways
| Check for blockages | Clogged filters or shower screens can cause pressure loss. |
| Inspect water flow | Ensure water is flowing properly through the machine. |
| Clean your machine | Regular cleaning prevents buildup that impairs pressure. |
| Examine the portafilter | Proper tamping and fit ensure correct pressure buildup. |

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Step 1: Turn Off and Unplug the Machine
Before inspecting or working on your espresso machine, ensure it is turned off and unplugged to avoid electrical hazards.

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Step 2: Check for Blockages in the Shower Screen and Portafilter
- Remove the portafilter and inspect the shower screen for coffee grounds or mineral buildup.
- Clean the shower screen with a brush or a pin to clear any obstructions.
- Ensure the portafilter gasket is seated properly and not damaged.
Step 3: Clean and Descale the Machine
- Use a cleaning tablet like the Breville BEC250 to remove coffee oils and residues.
- Follow the manufacturer’s instructions for descaling to eliminate mineral buildup that can affect pressure.
Step 4: Check Water Flow and Water Filters
Ensure the water reservoir is full and the water filters are clean and properly installed. Replace charcoal filters if they are old or clogged to maintain proper pressure and water quality.
Step 5: Verify Proper Tamping and Portafilter Fit
- Use about 19 grams of coffee and tamp evenly and firmly to create resistance.
- Make sure the portafilter is locked in securely to prevent pressure leaks.
The Products in This Guide

Breville Bambino Plus
- ✔ Weight: 10.8 lbs
- ✔ Warranty: 1 year
- ✔ Capacity: 67 oz water tank

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Package: 8 tablets
- ✔ Material: Food-grade ingredients
- ✔ Shelf Life: 2 years
Breville Bambino Plus

The Breville Bambino Plus is a compact yet powerful espresso machine that delivers professional-quality coffee. Regular maintenance and cleaning are key to preventing pressure issues, and using quality filters and descaling products can extend its lifespan.
Pros:
- Fast heat-up time with ThermoJet
- Consistent pressure pre-infusion
- Compact design fits small spaces
- Easy to use and clean
Cons:
- Requires regular cleaning
- Water filters need replacement
- Delicate components may need careful handling
Best for: Home baristas seeking quick, quality espresso
Not ideal for: Heavy daily use in busy commercial settings
Bottom line: A reliable espresso machine that benefits from regular maintenance to keep pressure optimal.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 cleaning tablets regularly helps remove coffee oils and residues, which are common culprits of pressure issues. This ensures your machine operates smoothly and produces consistent espresso.
Pros:
- Effective at removing oils
- Easy to use
- Prolongs machine lifespan
- Safe and food-grade ingredients
Cons:
- Requires regular use
- Additional cleaning steps needed
- Cost over time
Best for: Maintaining optimal pressure and flavor
Not ideal for: For deep descaling of mineral buildup
Bottom line: A must-have for routine cleaning to prevent pressure loss.
Frequently Asked Questions
Why does my Breville Bambino Plus have no pressure during extraction?
Possible causes include clogged filters or shower screens, mineral buildup, or improper tamping. Regular cleaning and maintenance can resolve these issues.
How often should I descale my Breville Bambino Plus?
Descale every 2-3 months, or more frequently if you have hard water, to prevent mineral buildup that affects pressure.
Can I fix pressure issues myself?
Yes, many pressure problems are due to blockages or buildup, which can be fixed with cleaning, descaling, and proper tamping. Always unplug the machine before servicing.
What should I do if cleaning doesn’t restore pressure?
If cleaning and descaling don’t work, inspect for damaged seals or gaskets, or contact a professional for repair. Avoid forcing components to prevent damage.
Keep Your Breville Bambino Plus Brewing Perfectly
Maintaining proper pressure in your Breville Bambino Plus involves regular cleaning, descaling, and correct tamping. By following these troubleshooting steps, you can resolve common issues and continue enjoying high-quality espresso at home. Regular upkeep will ensure your machine remains reliable and produces consistent, flavorful coffee for years to come.
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