High
S.16 on Vaillant Combi Compact 282EB

Your boiler is failing to switch off the fan after providing hot water, which is preventing it from starting the next heating cycle.

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

DHW mode – fan overrun error

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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Related fault codes

F.32View →S.34View →

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