If your Breville Bambino Plus is not heating properly, it can be frustrating, especially when you’re craving a fresh espresso. This issue often stems from electrical or internal component problems, but many fixes are straightforward and safe when approached correctly. In this guide, we’ll walk you through diagnosing the problem, performing safe repairs, and maintaining your machine’s optimal performance.
Before you begin, ensure the machine is unplugged and cooled down to prevent any electrical hazards. Having basic tools like a screwdriver, a multimeter, and replacement parts will help you troubleshoot effectively. Remember, if you’re uncomfortable working with electrical components, it’s best to consult a professional or contact Breville support.
Key Takeaways
| Check power and water supply | Ensure the machine is plugged in and water reservoir is filled. |
| Inspect the heating element and thermostat | Faulty components can prevent the machine from heating. |
| Reset or replace internal fuses and relays | Blown fuses or malfunctioning relays can stop heating. |
| Clean internal components | Build-up of scale or coffee oils can affect heating efficiency. |
| Regular maintenance prolongs lifespan | Consistent cleaning and descaling prevent heating issues. |

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Step 1: Verify Power and Water Levels
- Ensure the espresso machine is properly plugged into a working electrical outlet. Test the outlet with a different device if needed.
- Check that the water reservoir is filled and correctly seated, as some models won’t heat if water levels are low or if the reservoir isn’t properly installed.
- Inspect the power cord and plug for any visible damage. Do not attempt to use a damaged cord; replace it or have it repaired.
- Turn on the machine and observe if any indicator lights activate. If not, proceed to check internal electrical components.

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Step 2: Reset the Machine and Check Basic Controls
- Unplug the machine, wait 30 seconds, then plug it back in to reset the system.
- Press the power button and observe if the heating indicator lights come on.
- Ensure the machine is in the correct mode for heating—consult your user manual for specific instructions.
Step 3: Inspect the Heating Element and Thermostat
If the machine still isn’t heating, the heating element or thermostat may be faulty. To check:
- Unplug the espresso machine and remove the outer panels following the manufacturer’s instructions.
- Locate the heating element and thermostat. Use a multimeter set to continuity mode to test these components.
- If the multimeter shows no continuity, these parts may need replacing.
Note: Handling internal electrical parts can be risky; if you’re unsure, consider professional repair services.
Step 4: Check and Replace Fuses and Relays
Some Breville models include internal fuses or relays that can blow or fail, preventing heating. To inspect:
- Locate the fuse or relay on the control board, usually protected by a cover.
- Use the multimeter to test for continuity.
- If the fuse is blown or relay is malfunctioning, replace with a compatible component.
Step 5: Clean and Descale Internal Components
Mineral deposits and coffee oils can interfere with internal sensors and heating elements. Regular cleaning is crucial:
- Use recommended cleaning tablets like the Breville BEC250 (asin B00494MU9M) to descale and clean internal parts.
- Follow the manufacturer’s instructions for cleaning cycles.
- Ensure all components are dry before reassembling and testing the machine.
The Products in This Guide

Breville Bambino Plus
- ✔ Voltage: 120V
- ✔ Warranty: 1 Year
- ✔ Water Filter: Optional

Breville BEC250 Espresso Machine Cleaning Tablets
- ✔ Size: 8 Pack
- ✔ Safe Ingredients: Food and pharmaceutical grade
- ✔ Use Frequency: Every 1-2 months
Breville Bambino Plus

The Breville Bambino Plus is a compact yet powerful espresso machine that features advanced heating technology. If your unit isn’t heating, troubleshooting the internal components can often resolve the issue without needing a replacement. Proper diagnosis and careful handling are key to restoring its performance.
Pros:
- Reliable ThermoJet heating system
- Compact design fits small spaces
- Easy to clean and maintain
- Consistent espresso extraction
Cons:
- Can develop heating issues if not maintained
- Requires some technical skills for internal checks
- Replacement parts may be needed over time
Best for: Home baristas seeking quick, quality espresso
Not ideal for: Users uncomfortable with internal repairs
Bottom line: Regular maintenance and careful troubleshooting can fix heating issues in your Breville Bambino Plus.
Breville BEC250 Espresso Machine Cleaning Tablets

Using official Breville cleaning tablets like the BEC250 ensures your espresso machine remains free of coffee oils and residues, which can impact heating and performance. Regular cleaning with these tablets can prevent many common heating problems.
Pros:
- Effective removal of coffee oils
- Safe, food-grade ingredients
- Extended machine lifespan
- Easy to use
Cons:
- Requires consistent use
- Additional cleaning steps needed
- Cost of replacement tablets over time
Best for: Maintaining optimal performance and longevity
Not ideal for: If you prefer quick, DIY cleaning solutions
Bottom line: Regular use of Breville cleaning tablets helps prevent heating failures caused by oil and residue buildup.
Frequently Asked Questions
Why is my Breville Bambino Plus not heating?
Common reasons include electrical issues, faulty heating element, thermostat failure, or mineral buildup. Troubleshooting steps involve checking power, inspecting internal components, and cleaning.
Can I repair internal parts myself?
If you have basic electrical knowledge and tools like a multimeter, you can attempt to test and replace faulty components. Otherwise, professional repair or contacting Breville support is recommended.
How often should I descale my Breville espresso machine?
It is advisable to descale every 1-3 months, depending on your water hardness and usage frequency. Regular descaling helps prevent overheating and performance issues.
What safety precautions should I take during repair?
Always unplug the machine before opening it. Handle internal electrical components carefully, and avoid working with damaged cords or exposed wiring. If unsure, consult a professional.
How do I reset my Breville Bambino Plus?
Unplug the machine, wait 30 seconds, then plug it back in. Turn it on and check if the heating indicator lights activate. Refer to your manual for specific reset instructions.
Getting Your Breville Espresso Machine Heating Again
Addressing heating issues in your Breville Bambino Plus involves a combination of simple checks and internal inspections. Ensuring power, water levels, and regular cleaning can often resolve the problem without extensive repairs. When internal components are faulty, careful testing and replacement can restore your machine’s performance. Remember, safety comes first—if you’re uncomfortable with electrical repairs, seek professional help or contact Breville support. Proper maintenance and troubleshooting will help keep your espresso machine brewing perfect cups for years to come.
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