If your Breville Bambino Plus is not building pressure during extraction, it can lead to weak espresso and wasted coffee. This guide provides clear, safe troubleshooting steps to restore proper pressure and get the best results from your machine.
Before starting, ensure your machine is unplugged and cooled down. Regular maintenance, like cleaning filters and descaling, can prevent pressure issues. Follow these steps carefully for a safe and effective fix.
Key Takeaways
| Check for blockages | Clogged filters or ports can cause pressure loss. |
| Clean the shower screen | Build-up can obstruct water flow and pressure. |
| Inspect and replace water filters | Old or clogged filters reduce pressure. |
| Descale the machine | Mineral build-up impairs pressure and performance. |
| Examine seals and valves | Worn parts can lead to pressure leaks. |

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Step 1: Turn Off and Unplug the Machine
Always ensure the machine is turned off and unplugged before performing any maintenance or troubleshooting. Allow it to cool completely to avoid burns or damage.

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Step 2: Check and Clean the Filter and Portafilter
- Remove the portafilter and inspect the filter basket for coffee grounds or blockages.
- Rinse the filter and portafilter thoroughly under warm water.
- Replace the filter basket securely.
Step 3: Clean the Shower Screen and Group Head
- Remove the shower screen from the group head following the manufacturer’s instructions.
- Soak it in warm water with a cleaning tablet or a descaling solution for 10-15 minutes.
- Use a soft brush to remove any coffee oils or residue, then reassemble.
Step 4: Replace or Clean Water Filters
If your machine uses water filters (like the Breville Charcoal Filters), replace them regularly to ensure optimal water flow and pressure. Remove the old filter and insert a new one according to the instructions.
Step 5: Descale the Machine
Use a descaling solution or tablets designed for Breville machines, following the instructions provided with the product. Regular descaling prevents mineral build-up that hampers pressure.
The Products in This Guide

Breville Bambino Plus
- ✔ Power: 1600W
- ✔ Water Tank Capacity: 61 fl oz
- ✔ Pre-Infusion: Yes

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Pack Size: 8 tablets
- ✔ Application: Cleaning shower screen and filter baskets
- ✔ Safety: Food-grade ingredients
Breville Bambino Plus

The Breville Bambino Plus is a compact yet powerful espresso machine that delivers third wave specialty coffee at home. Proper maintenance and troubleshooting can ensure it maintains optimal pressure during extraction.
Pros:
- Compact design
- Fast heat-up with ThermoJet
- Consistent extraction
- Easy to clean
Cons:
- Requires regular filter replacement
- Can clog if not maintained
- Water reservoir may need frequent refilling
Best for: Home baristas seeking a reliable, high-quality espresso experience
Not ideal for: Users who prefer very large or commercial machines
Bottom line: Regular maintenance ensures your Breville Bambino Plus maintains pressure for perfect espresso.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville’s official cleaning tablets helps remove oils and residues that can block water flow and reduce pressure, keeping your machine performing at its best.
Pros:
- Effective cleaning
- Safe ingredients
- Prolongs machine life
- Easy to use
Cons:
- Requires regular use
- Additional cost
- Not a substitute for descaling
Best for: Maintaining optimal pressure and flavor
Not ideal for: For users who prefer homemade cleaning solutions
Bottom line: Regular use of official cleaning tablets keeps your Breville espresso machine in top condition.
Frequently Asked Questions
Why does my Breville Bambino Plus have no pressure during extraction?
This could be caused by a clogged filter, dirty shower screen, water filter issues, or mineral build-up. Follow the troubleshooting steps to identify and fix the problem.
How often should I descale my Breville espresso machine?
It’s recommended to descale every 2-3 months, especially if you have hard water, to prevent scale build-up that impairs pressure and performance.
Can I use regular vinegar instead of descaling solutions?
Using vinegar is not recommended as it can damage internal components. Use descaling products specifically designed for espresso machines.
How do I know if my water filter needs replacing?
Check the manufacturer’s recommended replacement schedule, typically every 2 months, or look for signs like reduced water flow or unusual tastes.
Maintaining Optimal Pressure for Perfect Espresso
Regular cleaning, descaling, and filter replacement are key to resolving pressure issues and ensuring your Breville Bambino Plus consistently brews delicious espresso. By following these troubleshooting steps, you can extend your machine’s lifespan and enjoy cafe-quality coffee at home.
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