Medium
8 on Ariston Genus 27 BFFI Plus

Your boiler is struggling to heat your radiators properly because it is having trouble measuring or regulating the water temperature.

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

Temperature of radiators not satisfactory. Check ntc sensor for heating. Check by-pass. Check gas settings and regulation

From this model's manual
Verified against the Ariston/Ariston Genus 27 Combi 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

7View →9View →

All 6 fault codes on the Genus 27 BFFI Plus

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

7A01A02A03A07

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