If you’re passionate about brewing high-quality espresso at home, a common issue you might encounter is a clogged grinder. For Breville espresso machines like the Bambino Plus, grinder clogs can disrupt your brewing process, leading to inconsistent shots or machine errors. Fortunately, understanding the causes and following proper cleaning and maintenance steps can resolve these issues efficiently and safely.
This guide provides clear, step-by-step instructions on how to troubleshoot and fix grinder clogs in your Breville espresso machine, ensuring you keep your machine in top condition for years to come.
Key Takeaways
| Common Cause | Coffee oils and grounds buildup can clog the grinder. |
| Regular Cleaning | Routine cleaning prevents most clogs and maintains flavor. |
| Step-by-Step Fix | Disassemble, clean, and reassemble safely following instructions. |
| Use Quality Beans | Avoid oily or stale beans that increase clogging risk. |

Breville Bambino Plus, Black Stainless Steel
The Breville Bambino Plus delivers third wave specialty coffee at home using the 4 keys formula and is...
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Understanding Why Grinder Clogs Occur
Grinder clogs in Breville machines like the Bambino Plus are often caused by a buildup of coffee oils, fine grounds, and stale coffee particles. Over time, these residues accumulate and can obstruct the burrs or grinding chamber, leading to inconsistent grind sizes or motor strain. Using oily beans or grinding too finely can exacerbate this issue, especially if routine cleaning is neglected. Recognizing the signs—such as unusual noise, slow grinding, or error messages—helps you act promptly to prevent long-term damage.

Breville BEC250 Espresso Machine Cleaning Tablets for Breville Models, 8 Pack
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Tools and Safety Precautions Before You Start
- Ensure the machine is unplugged before disassembly to prevent electrical hazards.
- Gather necessary tools: a brush, soft cloth, and possibly a cleaning tablet recommended for espresso machines.
- Work in a clean, well-lit area to avoid losing small parts.
- Read your Breville Bambino Plus user manual for specific disassembly instructions.
Step-by-Step Guide to Fix a Grinder Clog
- Turn off and unplug your machine. Safety first. Wait at least 5 minutes for internal components to cool.
- Remove the bean hopper and burrs. Carefully lift out the hopper, then unscrew or detach the burr assembly following your manual’s instructions.
- Inspect the grinding chamber and burrs. Look for coffee grounds, oils, or blockages. Use a small brush to gently remove debris.
- Clean the burrs and chamber. Wipe with a soft, damp cloth. For stubborn residues, use a cleaning tablet like the Breville BEC250, following the instructions for dissolution and cleaning.
- Reassemble the grinder. Ensure all parts are dry and correctly fitted. Reinstall the burrs and hopper securely.
- Run a test grind. Without beans, operate the grinder to check for smooth operation. If grinding feels inconsistent, repeat cleaning.
- Refill with fresh beans and brew a test shot. Observe if the grind is uniform and the machine operates smoothly.
Maintenance Tips to Prevent Future Clogs
- Use high-quality, fresh coffee beans—preferably medium roast—avoiding oily beans that can clog the grinder.
- Grind only as much as you need to minimize residue buildup.
- Schedule regular cleaning with a manufacturer-approved tablet or brush every 2-4 weeks, depending on usage.
- Descale your machine periodically to prevent mineral buildup that can affect grinder performance.
- Always turn off and unplug the machine before cleaning or maintenance.
When to Seek Professional Help
If after cleaning and maintenance your grinder still operates poorly, or if you notice persistent motor strain or damage, it’s best to contact a certified Breville technician. Attempting to force or disassemble stubborn parts beyond your comfort level can void warranties or cause further damage. Regular professional servicing can extend the lifespan of your espresso machine and ensure optimal performance.
The Products in This Guide

Breville Bambino Plus
- ✔ Size: 8 tablets
- ✔ Material: Food-grade ingredients
- ✔ Brand: Breville

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Pack Size: 8 tablets
- ✔ Material: Food-grade ingredients
- ✔ Brand: Breville
Breville Bambino Plus

The Breville Bambino Plus combines advanced features with a compact design, making it a favorite among home baristas. Proper cleaning and maintenance, including addressing grinder clogs, are essential for consistent, cafe-quality espresso. Using recommended cleaning tablets like the Breville BEC250 can simplify this process and protect your investment.
Pros:
- Designed specifically for Breville machines
- Effective at removing oils and residues
- Pharmaceutical and food-grade ingredients
- Easy to dissolve and use
Cons:
- Requires regular use for best results
- Single-use packaging may generate waste
- Some users find the price slightly high
Best for: Maintaining optimal performance and longevity of your Breville Bambino Plus
Not ideal for: For machines not compatible with Breville cleaning tablets or those needing professional repair
Bottom line: A trusted choice for keeping your Breville in peak condition.
Breville BEC250 Espresso Machine Cleaning Tablets

Using Breville BEC250 Cleaning Tablets regularly ensures your espresso machine remains free of oils and residues, maintaining the best possible flavor. These tablets are designed specifically for Breville models and dissolve evenly to provide a thorough clean.
Pros:
- Official Breville product
- Effective at removing coffee oils
- Prolongs machine life
- Safe for all compatible models
Cons:
- Single-use packaging
- Requires routine use for best results
- Price may be higher than generic options
Best for: Routine cleaning to prevent grinder and internal clogs
Not ideal for: For machines outside the Breville range or heavy mineral buildup
Bottom line: Trusted cleaning solution for maintaining espresso quality.
Frequently Asked Questions
What are the signs of a grinder clog in my Breville espresso machine?
Common signs include unusual noises, slow or uneven grinding, error messages, or difficulty in grinding beans smoothly.
Can I use regular cleaning tablets for my Breville grinder?
It’s best to use tablets specifically designed for espresso machines like the Breville BEC250, which are formulated for safe and effective cleaning.
How often should I clean my grinder to prevent clogs?
Routine cleaning every 2-4 weeks, depending on usage, helps prevent buildup that causes clogs.
Is it safe to disassemble my Breville Bambino Plus for cleaning?
Yes, but only follow the disassembly instructions provided in the user manual. Always unplug the machine and work in a safe environment.
When should I seek professional repair for grinder issues?
If cleaning and routine maintenance don’t resolve the problem, or if there are signs of internal damage, consult a certified Breville technician.
Keep Your Breville Espresso Machine Running Smoothly
Maintaining your Breville Bambino Plus involves regular cleaning and proper handling to prevent grinder clogs. By understanding the causes and following the step-by-step troubleshooting guide, you can ensure your machine continues to produce delicious espresso shots. Remember, routine maintenance not only extends the lifespan of your appliance but also guarantees the best possible flavor every time.
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