Low
Fan/Flue LED Green on Baxi Solo PF

Your boiler has successfully started its fan and confirmed safe airflow, meaning it is currently in its normal startup sequence or operation mode.

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

Pressure switch has closed and the fan is running

DIY fix possible

Check that the external flue terminal is not blocked by debris or leavesEnsure the power supply to the boiler is consistentMonitor the boiler to ensure it proceeds to the ignition stage (Burner LED)

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