Low
E25 on Biasi Basica System 2022

Your boiler has detected that the internal water temperature is very low and has entered a security mode to prevent the 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.

From this model's manual
Verified against the Biasi Basica System 2022 installation & service manual, page 23.
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 that the boiler's power supply is switched onEnsure your thermostat and programmer are calling for heatOpen any radiator valves fully to allow water to circulateWait for the boiler to complete its automatic heating cycle to warm the system up

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