Medium
08 on Saunier Duval Thema F 30 E Plus

Your boiler is having trouble reading the temperature of the internal store of hot water, which may mean your hot water tap takes slightly longer to heat up or isn't as consistent.

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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