If your Breville Bambino Plus is not building pressure during extraction, it can lead to weak espresso and inconsistent results. This guide walks you through effective troubleshooting steps to restore optimal pressure. Always ensure your machine is unplugged before performing maintenance.
Proper cleaning, checking for clogs, and inspecting key parts are essential for resolving pressure issues safely and efficiently.
Key Takeaways
| Regular Cleaning | Remove coffee oils and residues that cause blockages. |
| Check for Blockages | Ensure the portafilter, shower screen, and water lines are clear. |
| Inspect Components | Look for damaged or worn parts that may affect pressure. |
| Use Proper Grind Size | A consistent grind prevents pressure drops and channeling. |

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Step 1: Turn Off and Unplug the Machine
Always disconnect your Breville Bambino Plus from power before doing any inspection or cleaning. This ensures safety and prevents accidental damage.

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Step 2: Clean the Shower Screen and Portafilter
- Remove the portafilter and discard used coffee grounds.
- Attach the cleaning tablets (see recommended products) or use a brush to clean the shower screen thoroughly.
- Use a damp cloth to wipe the portafilter and remove any residue.
Step 3: Check Water Flow and Filters
- Remove and inspect the water filters (see options like ASIN B000VX44OO or B089R7ZRBG).
- Replace clogged or mineral-scaled filters to maintain water flow.
- Ensure water reservoir is filled with clean, filtered water.
Step 4: Descale the Machine
Mineral buildup can cause pressure issues. Use descaling tablets (such as ASIN B00494MU9M) or follow the manufacturer’s descaling instructions to remove scale deposits.
Step 5: Inspect and Replace Worn Parts
Check the rubber gasket, seals, and pressure relief valve for damage. Replace any worn or damaged parts to restore proper pressure levels.
The Products in This Guide

Breville Bambino Plus
- ✔ Weight: 10.5 lbs
- ✔ Dimensions: 12.6 x 7.7 x 12.2 inches
- ✔ Power: 1600W

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Package Size: 8 tablets
- ✔ Suitable For: All Breville models
- ✔ Ingredients: Food-grade
Breville Bambino Plus

The Breville Bambino Plus delivers professional-quality espresso with its advanced 3rd wave brewing technology. Proper maintenance is key to keeping it performing at its best, especially when troubleshooting pressure issues.
Pros:
- Compact and stylish design
- Consistent temperature control
- Easy to clean and maintain
- Effective pre-infusion system
Cons:
- Requires regular descaling
- Limited water reservoir size
- Potential for clogging if not maintained
Best for: Home baristas seeking cafe-quality espresso
Not ideal for: Users looking for a high-volume espresso machine
Bottom line: A reliable espresso machine that benefits from regular cleaning and maintenance.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville’s official cleaning tablets helps remove oils and residues that cause pressure drops. Regular cleaning keeps your Bambino Plus in optimal condition for consistent extraction.
Pros:
- Effective at removing coffee oils
- Easy to use
- Prolongs machine lifespan
- Safe and non-corrosive
Cons:
- Requires regular purchase
- Only for cleaning, not descaling
- Might add to maintenance cost
Best for: Maintaining clean and efficient espresso machine
Not ideal for: For descaling mineral buildup
Bottom line: A must-have for regular maintenance and ensuring pressure consistency.
Frequently Asked Questions
Why does my Breville Bambino Plus have no pressure during extraction?
Common causes include clogged filters, scale buildup, or blockages in the water lines. Regular cleaning and descaling can resolve these issues.
How often should I descale my espresso machine?
It is recommended to descale every 2-3 months, depending on water hardness and usage frequency.
Can I use regular vinegar for descaling?
It is best to use descaling tablets specifically designed for espresso machines, as vinegar can damage internal components and affect flavor.
What should I do if replacing filters doesn’t fix pressure issues?
Inspect internal seals, gaskets, and the pressure relief valve for damage. If problems persist, consider professional servicing.
Keep Your Breville Bambino Plus in Top Shape
Regular maintenance, including cleaning, descaling, and replacing filters, is essential to prevent pressure problems. Follow these steps to troubleshoot and maintain optimal performance, ensuring your espresso always tastes great.
By staying proactive, you’ll enjoy consistently excellent coffee from your Breville Bambino Plus 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.