How much does it cost to fix Saunier Duval error code Ignition fault?

Typical repair cost for the Saunier Duval Ignition fault fault is £120-250 including labour.

Ignition fault High

Saunier Duval Ignition fault Fault Code

Q: What does the Saunier Duval Ignition fault fault code mean?

Your boiler has failed to light the flame needed for heating and hot water, so it has safely shut itself down.

Also written as IGNITIONFAULT — same fault.

The Saunier Duval Ignition fault fault code means: your boiler has failed to light the flame needed for heating and hot water, so it has safely shut itself down.. It appears on 1 Saunier Duval model in our database.

Technical description: The green running light will change to a red flashing light and the display will flash the letter ‘F’ (as shown in diagram 8).

Typical repair cost £120-250 (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 Ignition fault fault code

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

Themaclassic Plus F30E Repair: £120-250

Source

Saunier Duval Ignition fault 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