Low
S.06 on British Gas 330+

Your boiler's fan is staying on for longer than expected to clear out residual gases or cool down the system, which currently isn't a fault but an operational status message.

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.

What the manual says

Manufacturer manual

fan overrun

From this model's manual
Verified against the British Gas 330 installation & service manual, page 47.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait for the boiler to complete its cooling cycleMonitor the display to see if it moves on to a 'Ready' status (starting with 'S.0')Ensure your room thermostats are turned down if you want the boiler to stop completely

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