Medium
d.60 on Vaillant ecoFIT Pure 412

Your boiler has detected an issue with how it is reading your central heating system's temperature, which may cause it to switch off to prevent overheating.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Number of blocks by the temperature sensor

Engineer required

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

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Related fault codes

F.20View →F.22View →

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