Low
1 14 on Ariston Clas Net One

Your boiler is struggling because it has lost the signal from the weather sensor mounted outside your home, meaning it cannot automatically adjust your heating based on the temperature outdoors.

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

External sensor circuit open / short circuit

Engineer required

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

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