Low
A short pulse every 4 seconds on Biasi Garda M90f

Your boiler is currently switched off but is monitoring the temperature 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.

Technical description

Boiler in stand-by condition (function control in O position). Anti-freeze system active.

DIY fix possible

Turn the main control knob from the 'O' (Off) position to either 'Summer' or 'Winter' mode to restore normal heating and hot water.

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