Maintaining your Breville Bambino Plus is essential to ensure consistent, high-quality espresso shots. One common issue users face is grinder clogging, which can lead to poor extraction, uneven grind sizes, or machine errors. Understanding the causes and knowing how to fix a grinder clog can save you time and keep your coffee tasting perfect.
In this guide, we’ll walk you through the reasons behind grinder clogs, detailed troubleshooting steps, and practical tips to prevent future issues. Follow these instructions carefully to keep your Breville espresso machine in top shape and enjoy café-quality coffee at home.
Key Takeaways
| Regular Cleaning | Prevents oil and coffee residue buildup that can clog the grinder. |
| Use Fresh Coffee | Old or oily beans increase the risk of blockages. |
| Proper Grind Size | Too fine a grind can cause jams; adjust to a slightly coarser setting. |
| Scheduled Maintenance | Cleaning and descaling prolongs machine lifespan and prevents clogs. |

Breville Bambino Plus, Black Stainless Steel
- Third Wave Specialty Coffee: Delivers professional-quality espresso at home
- Compact Design: Faster, space-saving espresso machine
- Dose Control Grinding: Consistent, balanced espresso with 19g dose
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Understanding Why Your Breville Grinder Clogs
Grinder clogs in your Breville Bambino Plus often stem from a combination of factors including the type of coffee beans used, maintenance routines, and grind settings. Oily or old beans tend to leave more residues, which can compact inside the grinder burrs or chute. Additionally, grinding too fine can restrict the flow of coffee grounds, leading to buildup and eventual blockage.
Over time, coffee oils and residues can accumulate, especially if the machine isn’t cleaned regularly. This buildup not only causes clogs but also impacts the flavor of your espresso. Recognizing the signs of a clog—such as inconsistent grind size, difficulty in grinding, or the grinder motor stopping—helps you address the issue promptly.
Step-by-Step Guide to Fix a Grinder Clog
- Turn Off and Unplug the Machine: Safety first. Always disconnect your Breville Bambino Plus before performing maintenance.
- Remove the Bean Hopper: Carefully lift the hopper off the grinder to access the burrs and chute.
- Empty Remaining Beans: Clear out any beans that may be causing a blockage.
- Clean the Burrs and Chute: Use a soft brush or a dedicated grinder cleaning brush to remove coffee residues and oils. Avoid using water or harsh chemicals.
- Check for Obstructions: Inspect the chute and burrs for any jammed coffee grounds or debris. Gently dislodge any blockages.
- Reassemble and Test: Put everything back together, refill with fresh beans, and run a test grind at a coarser setting to ensure smooth operation.
- Adjust Grind Setting: If needed, adjust the grind size slightly coarser to prevent future clogs.
Tips for Preventing Grinder Clogs
- Use Fresh, Dry Beans: Avoid oily or old beans that can leave residues.
- Set Appropriate Grind Size: Not too fine; aim for a medium grind for your espresso machine.
- Clean Regularly: Schedule cleaning every few weeks, especially if you notice grind inconsistencies.
- Perform Descaling: Mineral buildup can affect grinder performance; use descaling tablets periodically.
- Store Beans Properly: Keep beans in an airtight container away from moisture and heat.
Safety Tips and Warnings
Always unplug your espresso machine before performing any cleaning or maintenance. Use gentle tools like a soft brush to clean burrs and chutes—avoid metal tools that can damage components. Do not use water or harsh chemicals inside the grinder or burr assembly, as this can cause corrosion or electrical issues.
If you’re unsure about disassembling parts or if the clog persists despite cleaning, contact Breville customer support or a professional technician. Regular maintenance ensures safety, optimal performance, and prolongs your machine’s lifespan.
Recommended Cleaning Products for Your Breville
To keep your Breville Bambino Plus and grinder in peak condition, consider using specialized cleaning products. For instance, the Breville BEC250 Espresso Machine Cleaning Tablets are designed to effectively remove coffee oils and residues, ensuring thorough cleaning without damaging your machine. Regular use of these tablets can prevent clogs caused by oil build-up and maintain consistent espresso quality.
The Products in This Guide

Breville Bambino Plus
- ✔ Capacity: 19 grams ground coffee
- ✔ Heat-up Time: 3 seconds
- ✔ Display: None

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

The Breville Bambino Plus offers professional-grade espresso brewing in a compact design. With features like dose control grinding, optimal water pressure, and quick heat-up time, it’s designed for serious coffee lovers who want café quality at home. Regular maintenance, including cleaning the grinder, keeps it running smoothly.
Pros:
- Fast heat-up with ThermoJet
- Precise dose control for balanced coffee
- Compact and stylish design
- Easy to use and clean
Cons:
- Requires regular cleaning to prevent clogs
- Grinder adjustment can be tricky for beginners
- Oily beans may cause residues
Best for: Home baristas seeking high-quality espresso with minimal fuss
Not ideal for: Heavy users of oily beans or those neglecting routine cleaning
Bottom line: The Breville Bambino Plus combines convenience and quality, but regular cleaning is essential for a clog-free experience.
Breville BEC250 Espresso Machine Cleaning Tablets

Using the Breville BEC250 Cleaning Tablets regularly ensures your espresso machine remains free of coffee oils and residues, which can cause clogs and flavor degradation. These tablets are formulated specifically for Breville machines, making maintenance straightforward and safe.
Pros:
- Effective oil and residue removal
- Safe for all Breville models
- Easy to use
- Prolongs machine lifespan
Cons:
- Requires regular purchase
- Limited to cleaning purposes
- Cannot replace deep cleaning for stubborn clogs
Best for: Maintaining machine hygiene and preventing clogs
Not ideal for: Fixing major grinder jams without cleaning first
Bottom line: Routine cleaning with Breville tablets keeps your machine operating smoothly and tasting great.
Frequently Asked Questions
What are the main signs of a grinder clog in my Breville Bambino Plus?
Common signs include difficulty in grinding, inconsistent grind size, grinder motor stopping unexpectedly, or a noticeable reduction in coffee flow.
Can I use water to clean the grinder burrs?
No, water can cause rust and damage the burrs or electrical components. Use a dry brush or grinder cleaning tablets instead.
How often should I clean my grinder to prevent clogs?
It’s recommended to clean the grinder every 2-4 weeks, especially if you use oily beans or notice grind inconsistencies.
What grind setting should I use to avoid clogging?
Use a medium grind setting for most espresso preparations. If you experience clogging, try setting it slightly coarser.
Is it safe to disassemble my Breville Bambino Plus for cleaning?
Yes, but only follow the manufacturer’s instructions carefully. Always unplug the machine before disassembly and avoid damaging sensitive parts.
Keep Your Breville Espresso Machine Running Smoothly
Regular maintenance is key to preventing grinder clogs and ensuring your Breville Bambino Plus continues to deliver exceptional espresso. By understanding the causes, performing routine cleaning, and following safe troubleshooting steps, you can enjoy consistently great coffee at home. Remember, a well-maintained machine not only tastes better but also lasts longer, making your investment in quality coffee gear worthwhile.
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