What the manual says
Manufacturer manualactivation of the chimney sweep function at minimum output (domestic hot water mode)
From this model's manual
Verified against the Biasi Inovia 2020 Combi installation & service manual.
DIY fix possible
Locate the selector switch on the control panelTurn the dial or press the reset button to return the boiler to the standard 'On' or 'Auto' positionWait for the 'LP' code to disappear and the current temperature to be displayed
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