High
S.14 on Vaillant Combi Compact 282EB

Your boiler has detected a request for hot water but the air flow sensor is not responding correctly, preventing the system from firing up.

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

Hot water demand via fan sensor 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

S.10View →S.11View →

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