High
Pilot does not light on Saunier Duval Xeon 120 FF

Your boiler is failing to ignite because the small flame that acts as a match to start the main burner will not stay lit.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Check for pilot jet blockage, incorrect electrode adjustment, or pilot solenoid continuity between EV1 and COM.

Engineer required

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

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