Low
hp on Biasi Inovia 2020

Your boiler is currently running a maintenance test mode used by engineers to check emission levels at low power.

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

chimney sweep function at minimum power during heating

From this model's manual
Verified against the Biasi Inovia 2020 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.

DIY fix possible

Locate the selector switch or 'Reset' button on the control panel.Press and hold the Reset button for 2 to 5 seconds to exit the service mode.If the code persists, turn the boiler off at the main power switch for 30 seconds and then back on.

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