Low
Fan runs on Worcester Bosch 28 RSF

Your boiler is operating normally, as the fan is running to help manage the water temperature inside your heating system.

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.

Technical description

Primary temperature 75°C

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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