If you’re a Breville espresso machine owner, nothing is more frustrating than a clogged grinder. This issue can hinder your espresso brewing process, leading to inconsistent results or complete stoppages. Fortunately, most grinder clogs are preventable and fixable with the right knowledge and care.
In this guide, we’ll explore the common causes of grinder clogs in Breville models, specifically focusing on the Breville Bambino Plus, and provide clear, safe steps to resolve them. Whether you’re a beginner or an experienced user, these practical tips will help you maintain optimal performance and enjoy cafe-quality coffee at home.
Key Takeaways
| Cause of clogging | Overfilling or stale beans can cause grinder jams. |
| Prevention tips | Regular cleaning and using fresh beans reduce clog risks. |
| Step-by-step fixes | Disassemble, clear blockages, and reassemble carefully. |
| When to seek professional help | Persistent clogs despite cleaning may require expert servicing. |

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The Breville Bambino Plus delivers third wave specialty coffee at home using the 4 keys formula and is...
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Common Causes of Grinder Clogs in Breville Machines
Understanding why your Breville espresso machine’s grinder clogs is the first step toward fixing the issue. The most frequent causes include using stale or oily beans, overfilling the bean hopper, or debris buildup within the grinder parts. When beans are old or oily, they tend to stick together or clog the burrs, impeding proper grinding. Overfilling the hopper can also prevent the burrs from turning freely, leading to jams. Additionally, accumulated coffee grounds and dust inside the grinder can cause blockages over time.
Regular maintenance and proper bean selection are key to preventing these issues. Using fresh, dry beans and avoiding overfilling the hopper helps maintain smooth operation. In the next sections, we will guide you through practical steps to clear clogs and restore your machine’s performance safely.

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Step-by-Step Guide to Clear a Grinder Clog
- Turn off and unplug your machine. Before beginning any maintenance, ensure the espresso machine is completely powered down and unplugged to prevent injury or damage.
- Remove the bean hopper. Carefully lift the hopper out of the grinder, following your Breville model’s instructions. This allows access to the burrs and grinding chamber.
- Inspect for visible blockages. Look inside for stuck beans, coffee grounds, or debris. Use a soft brush or a dry cloth to gently remove loose grounds.
- Clear the burrs and grinding chamber. If beans are jammed in the burrs, gently dislodge them with a plastic or wooden tool—avoid metal tools that may damage the burrs.
- Run a cleaning cycle or use cleaning tablets. If your model supports it, run a cleaning cycle or use recommended Breville cleaning tablets (like the BEC250) to dissolve oils and residues. Follow the instructions on the product packaging.
- Reassemble the grinder. Once the chamber is clear and cleaned, reassemble the hopper securely. Make sure all parts are properly aligned and tightened.
- Test the grinder. Plug in your machine, turn it on, and run a small amount of beans through to check for smooth operation.
If you experience continued clogging despite these steps, consider consulting a professional repair service or contacting Breville customer support.
Tips for Preventing Future Clogs
- Use fresh, dry beans. Old or oily beans are more prone to cause jams. Store beans in a cool, dry place and use them within their freshness window.
- Avoid overfilling the hopper. Keep the bean level below the maximum fill line to allow the burrs to turn freely.
- Clean your grinder regularly. Schedule monthly cleaning with a soft brush or a cleaning tablet to prevent buildup.
- Adjust grind size if necessary. Finer grinds can sometimes cause more clogs. Experiment with slightly coarser settings if jams occur frequently.
Consistent maintenance and mindful bean handling are your best defenses against grinder clogs.
Recommended Cleaning Products for Breville Espresso Machines
To keep your Breville Bambino Plus performing at its best, consider using official cleaning tablets like the Breville BEC250. These tablets are designed to dissolve oils and residues effectively, extending your machine’s lifespan and ensuring optimal flavor extraction. Regular use of cleaning tablets can prevent oily buildups that often cause grinder clogs.
The Products in This Guide

Breville Bambino Plus
- ✔ Weight: 8 tablets pack
- ✔ Material: Pharmaceutical grade
- ✔ Storage: Keep dry and cool

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Size: 8 tablets
- ✔ Material: Food-grade
- ✔ Storage: Keep dry
Breville Bambino Plus

The Breville Bambino Plus is a compact, high-performance espresso machine that benefits greatly from regular cleaning and maintenance. Using dedicated cleaning tablets helps prevent grinder clogs by removing oils and residues, ensuring smooth operation and consistent espresso quality.
Pros:
- Official Breville cleaning product
- Easy to use with dissolving tablets
- Effective at removing coffee oils
- Prolongs machine lifespan
Cons:
- Requires regular purchase of tablets
- Not a substitute for manual cleaning
- Only compatible with Breville machines
Best for: Maintaining optimal performance and hygiene
Not ideal for: For deep mechanical repairs or persistent clogs
Bottom line: Using official cleaning tablets helps keep your Breville espresso machine in prime condition.
Breville BEC250 Espresso Machine Cleaning Tablets

The Breville BEC250 Espresso Machine Cleaning Tablets are an excellent choice for thorough cleaning sessions. They help dissolve stubborn oils and residues that can cause grinder jams, keeping your machine running smoothly over time.
Pros:
- Precisely formulated for Breville
- Easy to use
- Effective in removing oils
- Prolongs machine efficiency
Cons:
- Requires regular use
- Additional cost over time
- Not a substitute for manual cleaning
Best for: Deep cleaning and oil removal
Not ideal for: For quick, daily maintenance
Bottom line: Official Breville cleaning tablets ensure your machine stays in top shape.
Frequently Asked Questions
What causes grinder clogs in my Breville espresso machine?
Clogs are often caused by using stale or oily beans, overfilling the hopper, or debris buildup inside the grinder. Regular cleaning and using fresh beans help prevent this issue.
How often should I clean my grinder?
It’s recommended to clean your grinder at least once a month using appropriate cleaning tablets or a soft brush, especially if you notice grinding issues or irregular espresso shots.
Can I use other cleaning products besides Breville’s tablets?
While other food-grade cleaning tablets may work, it’s safest and most effective to use official Breville cleaning products designed specifically for your machine.
What should I do if my grinder still clogs after cleaning?
If clogs persist, disconnect the machine and carefully disassemble the grinder to check for stubborn blockages. If unresolved, consider professional servicing or contacting Breville customer support.
Are there any precautions when cleaning my Breville espresso machine?
Always unplug the machine before cleaning, avoid using metal tools that can damage parts, and follow manufacturer instructions to prevent damage or injury.
Keep Your Breville Espresso Machine Running Smoothly
Regular maintenance and careful handling of beans are key to preventing grinder clogs in your Breville Bambino Plus. By following the step-by-step cleaning guide and using recommended products, you can ensure your machine delivers consistent, high-quality espresso for years to come. Remember, a well-maintained grinder not only prevents clogs but also preserves the rich flavors of your favorite coffee beans.
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