Low
PP/-- on Ariston Genus 24 MFFI

Your boiler is displaying a technical configuration menu item rather than a fault, meaning it is showing you its current internal heating power setting.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Maximum thermal power for heating (expressed in a percentage of the difference between the maximum power allowed by the boiler and the minimum)

From this model's manual
Verified against the Ariston Genus 24 Mffi 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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