High
E16 on Heatline Sargon 24

Your boiler has detected a problem with the fan that clears exhaust gases, preventing the system from starting for safety reasons.

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 speed fault: The fan is not reaching the required speed or the speed signal is lost.

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

E05View →

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