Low
S.07 on British Gas 330+

Your boiler is currently running its internal pump to cool down after use, which is a normal process and not actually a fault.

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

pump 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 10-15 minutes for the cooling cycle to finish naturallyCheck that your room thermostat is not set higher than the current room temperatureEnsure at least one radiator valve (the bypass) is kept open

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