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

Book a service

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

What the manual says

Manufacturer manual

Micro accumulation vessel NTC fault

From this model's manual
Verified against the Saunier Duval/Saunier Duval Themaclassic Plus F30e installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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Related fault codes

07View →09View →

All 23 fault codes on the Thema F 30 E Plus

Seeing a different code? Every code this model can display, in one place.

0.5bar01022.7bar0304050607091011121314151617181920F

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