Low
E25 on Biasi Dina

Your boiler has detected that the internal temperature is extremely low and has automatically activated its protection mode to prevent the pipes from freezing.

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 Dina installation & service manual, page 12.
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 your heating timer is set to come on during cold spells to keep the system warm.Ensure the boiler is switched on and not isolated at the electrical spur.If the boiler remains in this mode while the home is warm, turn the boiler off at the mains for 30 seconds and restart it.

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