Low
bP on Biasi Rinnova Adaptive Combi

Your boiler has detected very low temperatures and is automatically warming itself up to prevent the internal pipes from freezing.

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

Boiler in antifreeze phase (flashing bP + flashing temperature).

From this model's manual
Verified against the Biasi Rinnova Adaptive Combi System 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

Wait for the boiler to finish its warming cycle; the code will disappear once it reaches a safe temperature.Ensure your household heating is turned on or the thermostat is turned up to keep the system warm.Check that any visible external condensate pipes are not frozen or blocked with ice.

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