Low
1 second ON 1 second OFF on Biasi Riva Advance M96.24SM

Your boiler is operating normally and is currently running because there is a demand for heating or hot water.

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 ON condition

DIY fix possible

No action is required as this light sequence indicates normal operation.Check your thermostat or hot water tap to confirm you intended for the boiler to be running.

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful