Breville Coffee Machine Error E12

⚡ Quick Answer: The E12 error on Breville coffee machines typically indicates a malfunction in the water temperature sensor, resulting in the machine not brewing or d... ✅ DIY Fixable

What Does Error E12 Mean?

The E12 error on Breville coffee machines typically indicates a malfunction in the water temperature sensor, resulting in the machine not brewing or displaying erratic temperature readings. This error can often be resolved through basic troubleshooting steps such as power cycling the machine, ensuring the water reservoir is properly seated and filled, and performing routine maintenance like descaling and cleaning the brew head and filters.

Possible Causes

  • Water Temperature Sensor

How to Fix Error E12

DIY Fix Basic Troubleshooting Steps

  1. Power cycle the machine: unplug from the outlet, wait ~10‑15 seconds, then plug back in and restart. This clears temporary glitches.
  2. Ensure water reservoir is correctly seated and filled; improper placement can cause detectable flow or sensor errors. [TechFaultFix](
  3. Perform routine maintenance: descale the machine and clean brew head, portafilter, and filters to remove potential clogs. [TechFaultFix](
🛑 When to Call a Pro:
  • If restarting and basic maintenance do not clear the error, and the machine remains non‑functional, contact Breville support or a qualified technician.

Next step

Choose the next step for E12

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

Typical part-only price
$15 - $35
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Coffee Machine parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Technical Specifications

wattage 1600W
component Water Temperature Sensor
resistance 5-15 ohms
part_number BES870XL-TempSensor
voltage_rating 120V AC

Common Questions

What does E12 error mean on breville coffee machine?

E12 error indicates a malfunction in the water temperature sensor, affecting brewing and temperature readings.

Can I fix breville coffee machine E12 error myself?

Yes, you can try power cycling, checking the water reservoir, and performing maintenance like descaling.

How much does it cost to fix E12 error?

Repair costs vary based on model and region, so it's best to consult with local technicians.

When should I call a technician for E12?

If basic troubleshooting does not resolve the issue, contact Breville support or a qualified technician.

Data last verified: 2026-07-25

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