High
Fan does not run on Saunier Duval Xeon 120 FF

Your boiler is unable to safely move air for the combustion process, which means the unit cannot fire up to provide heating or hot water.

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

Fan motor failure or power issue. Check 230V~ at motor connections; if present replace fan. If not, test fan harness and PCB.

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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