If your Breville Bambino Plus isn’t building pressure during extraction, it can lead to weak or under-extracted espresso. This guide provides clear, safe steps to identify and resolve common pressure issues, helping you enjoy cafe-quality coffee again.
Before starting, ensure your machine is unplugged and cooled down. Regular maintenance and cleaning are key to optimal performance, especially if your machine frequently struggles with pressure.
Key Takeaways
| Check for blockages | Clogged filters or shower screens can cause pressure loss. |
| Inspect the portafilter and basket | Ensure grounds are tamped correctly and no obstructions exist. |
| Clean regularly | Build-up of coffee oils and residues can block water flow. |
| Verify water level and filters | Low water or clogged filters affect pressure. |

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Step 1: Turn Off and Unplug the Machine
Start by turning off your Breville Bambino Plus and unplugging it from the power outlet. Allow it to cool down completely before proceeding to prevent burns or damage.

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Step 2: Check and Clean the Shower Screen and Portafilter
- Remove the portafilter and inspect the basket for clogs or coffee grounds stuck in the holes.
- Detach the shower screen and clean it thoroughly with a soft brush and warm water.
- Ensure no coffee oils or residues are blocking water flow.
Step 3: Clear Any Blockages in the Water Path
Inspect the water reservoir and descale if necessary. Use a descaling solution or clean water to flush out mineral build-up, especially around the group head and internal tubes.
Step 4: Check the Coffee Grounds and Tamping
- Ensure you are using the correct amount of coffee—19 grams in the 54mm portafilter.
- Tamp the grounds evenly and firmly to avoid channeling, which can reduce pressure.
Step 5: Perform a Test Run
Reassemble all parts, fill the water tank, and run a test shot without coffee or with a small amount. Observe if the machine builds pressure properly during extraction.
The Products in This Guide

Breville Bambino Plus
- ✔ Package Size: 8 tablets
- ✔ Material: Food-grade
- ✔ Safety: Non-corrosive

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Package: 8 tablets
- ✔ Safety: Food-grade ingredients
- ✔ Purpose: Cleaning and maintenance
Breville Bambino Plus

Maintaining a clean Breville Bambino Plus with the official cleaning tablets ensures optimal pressure and flavor. Regular cleaning prevents blockages that cause pressure issues.
Pros:
- Effective removal of coffee oils
- Prolongs machine lifespan
- Safe and easy to use
- Designed specifically for Breville
Cons:
- Requires regular use for best results
- Slightly more expensive than generic tablets
- Needs to be used with clean water
Best for: Maintaining pressure and cleanliness
Not ideal for: For fixing mechanical parts or hardware issues
Bottom line: Regular cleaning with Breville tablets keeps your machine running smoothly and maintains pressure.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 cleaning tablets regularly ensures your espresso machine stays free from coffee oils and residues that cause pressure issues.
Pros:
- Designed specifically for Breville
- Extends machine lifespan
- Easy to use
- Effective cleaning power
Cons:
- Requires regular use
- Slightly pricier than generic options
- Must be used with water
Best for: Deep cleaning and maintaining pressure
Not ideal for: For mechanical repairs
Bottom line: Enhance your machine’s performance with regular use of these official cleaning tablets.
Frequently Asked Questions
Why does my Breville Bambino Plus keep losing pressure?
Common causes include clogged shower screens, mineral build-up, or blockages in the water pathway. Regular cleaning and descaling can resolve these issues.
How often should I clean my Breville espresso machine?
It is recommended to clean your machine with official cleaning tablets every 1-2 months and descale as needed, depending on water hardness.
Can I fix mechanical pressure issues myself?
Simple cleaning and maintenance can resolve many pressure problems, but mechanical or hardware faults may require professional repair.
What is the best way to descale my Breville Bambino Plus?
Use a descaling solution or tablets specifically designed for espresso machines, following the manufacturer’s instructions to prevent mineral buildup affecting pressure.
Keep Your Breville Bambino Plus in Top Shape
Maintaining proper pressure in your Breville Bambino Plus involves regular cleaning, checking for blockages, and using quality descaling products. Following these steps will help ensure your machine produces consistently excellent espresso and lasts longer. Don’t forget to perform routine maintenance to enjoy cafe-quality results every time.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.