BoilerFaultCodesBritish Gas S.32 Fault Code
Also written as S32 — same fault.
The British Gas S.32 fault code means: your boiler has paused because it is detecting a problem with the fan that helps clear waste gases, likely due to a temporary electrical hiccup or a part wearing out.. It appears on 1 British Gas model in our database.
Technical description: Fan speed variation too high – waiting during blocking function. Check fan connection.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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British Gas models that show the S.32 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
British Gas S.32 fault code information on this page is sourced and cross-checked against the official British Gas service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026