Low
ANTI-FROST DEVICE ACTIVATED on Ariston Genus 24 MFFI

Your boiler has detected that the water temperature inside the system is dangerously low and has temporarily turned on to prevent pipes from freezing.

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

Protection is activated if heating temperature is < 5°C.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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