Low
S.16 on Heatline Compact 24

Your boiler is simply performing a routine safety process where the fan runs for a short time after the heating switches off to clear any leftover gases safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Post run fan

Engineer required

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

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Related fault codes

S.00View →S.11View →

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