Low
Frost protect operation on Biasi Riva Compact HE MK2

Your boiler has automatically activated its winter protection mode to stop internal pipes from freezing while the weather is cold.

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

Lamp 3 ON

From this model's manual
Verified against the Biasi Riva Compact 24s 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

Check if the room thermostat is set low or if the heating has been turned off for a long period.Ensure your heating controls are set to a temperature that prevents the house from becoming too cold.Monitor the boiler; this status should clear automatically once the internal components warm up or the ambient temperature rises.

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