Breville Coffee Machine Error E03

⚡ Quick Answer: The Breville coffee machine error E03 indicates a malfunction in the flow meter or water flow sensor, preventing the machine from brewing. Users may n... ✅ DIY Fixable

What Does Error E03 Mean?

The Breville coffee machine error E03 indicates a malfunction in the flow meter or water flow sensor, preventing the machine from brewing. Users may notice that the pump does not run, and no brewing cycle initiates despite having water and power. This error often produces unusual noises during operation, signaling a disruption in the water flow needed for brewing.

Common Symptoms:

  • Machine will not brew when E03/ER03 displays
  • Pump may not run or water does not flow
  • No brewing cycle begins despite water and power present

Possible Causes

  • Flow meter or water flow sensor fault (medium)

How to Fix Error E03

DIY Fix Basic checks & resets

  1. Turn off the machine and unplug it for ~30 seconds then reconnect power.
  2. Check that the water reservoir is filled and seated correctly.
  3. Ensure there are no obvious blockages in the water path (reservoir spout, tubes).

Technician Only Inspect/replace flow sensor or associated components

  1. Disassemble the machine to access the water flow sensor/flow meter area per model service manual.
  2. Test the flow sensor with a multimeter or diagnostic tool to assess if it’s functioning.
  3. Replace the water flow sensor or repair wiring/connectors if a fault is confirmed.

Parts needed: Flow meter / water flow sensor, Related wiring harness

🛑 When to Call a Pro:
  • If the error persists after basic checks and resetting.
  • If internal components like the flow sensor are suspected faulty.
  • If water leaks or electrical issues are detected.

Next step

Choose the next step for E03

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

Based on diagnostic data

Most relevant component to inspect

Wiring Harness

Connects controls, sensors, motors, and other electrical components inside the appliance.

Typical part-only price
$20 - $120
DIY difficulty
Medium
Estimated time
30-90 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 1500W
component Pump Assembly
resistance 5-15 ohms
part_number BES870XL-PUMP
voltage_rating 120V AC

Common Questions

What does E03 error mean on Breville coffee machine?

E03 indicates a flow meter or water flow sensor malfunction, preventing brewing.

Can I fix Breville coffee machine E03 error myself?

Yes, you can try basic checks like resetting the machine and ensuring the water reservoir is properly seated.

How much does it cost to fix E03 error?

Repair costs range from $30 to $120 for parts, plus labor.

When should I call a technician for E03?

Call a technician if the error persists after basic checks or if internal components are suspected to be faulty.

Data last verified: 2026-07-25

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