What does the Vokera 03 fault code mean?

Your boiler is struggling to clear air and gases away properly because the exhaust pipe or an internal sensor is blocked with debris.

How much does it cost to fix Vokera error code 03?

Typical repair cost for the Vokera 03 fault is £120-220 including labour.

Manufacturer manual

Debris in flue system, Debris in flue venturi

Shared across the Linea range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Boiler cover options

A cover plan would handle faults like 03: no call-out fees, no surprise bills.

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Seeing a different code? Every code this model can display, in one place.

Each noise points to a different fault.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.