Low
LED4 (Permanent) on Ferroli Falcon

Your boiler is correctly operating in heating mode, and the light indicates that your central heating system is currently active.

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

Central heating circuit on

DIY fix possible

Check your room thermostat or boiler timer settingsTurn down the temperature dial on your thermostat to see if the light turns offIf you want the heating off, ensure your wall controller is set to off or standby

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