Low
PP/AA on Ariston Genus 24 MFFI

Your boiler is intentionally waiting before it tries to ignite the heating system, which is a normal protective feature to prevent it from cycling on and off too frequently.

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

Heating ignition delay (expressed in min.x10)

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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