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Boiler On light on Baxi Solo 3 40 PF

Your boiler is working normally and is currently receiving a signal to provide heating or hot water.

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

Indicates boiler is operational or calling for heat

DIY fix possible

Check that your thermostat is set to the desired temperatureEnsure your programmer or timer is set to an 'on' periodVerify that the gas supply is turned on if the light is on but the burner has not ignited

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Related fault codes

Fan OnView →Burner OnView →

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