How much does it cost to fix Saunier Duval error code 2 8?

Typical repair cost for the Saunier Duval 2 8 fault is £180-350 including labour.

2 8 High

Saunier Duval 2 8 Fault Code

Q: What does the Saunier Duval 2 8 fault code mean?

Your boiler has stopped working because the mechanical fan that pushes waste gases outside is not spinning or responding properly.

Also written as 28 — same fault.

The Saunier Duval 2 8 fault code means: your boiler has stopped working because the mechanical fan that pushes waste gases outside is not spinning or responding properly.. It appears on 2 Saunier Duval models in our database.

Technical description: The fan is stationary or there is no fan speed signal.

Typical repair cost £180-350 (including labour)

Engineer required

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

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Saunier Duval models that show the 2 8 fault code

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

Source

Saunier Duval 2 8 fault code information on this page is sourced and cross-checked against the official Saunier Duval service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026