fan/flue problem High

Vokera fan/flue problem Fault Code

Also written as FANFLUEPROBLEM — same fault.

The Vokera fan/flue problem fault code means: your boiler has detected an issue with the system that removes waste gases, meaning it has safely shut down to prevent the release of fumes into your home.. It appears on 1 Vokera model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Final fault (ON every 0.5-secs)
Typical repair cost £150-300 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Vokera models that show the fan/flue problem fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Vokera fan/flue problem fault code information on this page is sourced and cross-checked against the official Vokera service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026