Low
dP on Biasi Inovia 2020

Your boiler is currently running a manual test mode to check the flue and emissions, and it's not actually broken.

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

chimney sweep function at maximum output in domestic hot water mode

Shared across the Inovia range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s 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

Wait up to 15 minutes for the test cycle to finishPress the 'Reset' button to manually exit the test modeTurn the mode selector dial away from the chimney sweep icon

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All 47 fault codes on the Inovia 2020

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

AnAn 11cPE01E02E03E04E04 +E05E05 +E06E06 +E07E07 +E08E08 +E09E09 +E10E12E12 +E13E13 +E14E14 +E19E19 +E20E21E22E23E24E25E44E50E69E69 +E98E99E99 +Er 99hpL 01LPMaintenance requiredWrench symbol flashing

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