High
214 on Worcester Bosch Greenstar 4000

Your boiler has detected that the internal exhaust fan has failed to start or stopped unexpectedly, so it has safely turned itself off to prevent a buildup of fumes.

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 shut down during safety time

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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