Medium
08 on Saunier Duval Themaclassic Plus F30E

Your boiler is struggling to accurately measure the temperature of the water it keeps ready for your taps, which may cause your hot water to fluctuate in temperature or stop working entirely.

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

Micro accumulation vessel NTC fault

Engineer required

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

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Related fault codes

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