Low
Neon l3 on Ideal Classic Slimline FF 330 360

Your boiler is receiving power and is currently standing by, meaning it is ready to operate correctly.

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

Mains electricity ON.

DIY fix possible

Verify the boiler's thermostat or external heating controller is set to demand heatCheck that the radiator or hot water setting is turned onEnsure radiators are not turned down at the thermostatic valve

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