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.

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: 2026-04-14

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