BoilerFaultCodesThe 6 most common faults
Your boiler has failed to light or has lost its flame, which has caused it to lock itself out for safety.
Check that your gas supply is turned on and other gas appliances are working.Press and hold the Reset button for a few seconds to see if the boiler restarts.Ensure there is credit on your gas meter if you use a prepay system.
Your boiler has overheated, prompting a safety shutdown to protect the internal components.
Turn the selector switch to the 'Reset' position for a few seconds, then back to your desired setting.Check that all radiator valves are fully open to allow water to flow.Ensure your system pressure is between 1.0 and 1.5 bar on the pressure gauge.
Your boiler has detected low water pressure in the system, which has caused it to shut down to prevent damage.
Locate the filling loop (the flexible silver hose) underneath the boiler.Slowly open the valves until you hear water flowing and the pressure gauge reaches between 1 and 1.5 bar.Close both valves tightly and press the Reset button to restart the boiler.
Your boiler has stopped working because it has detected that the water inside the system has become too hot.
Check that your radiator valves are open to allow water to flow.Wait for the boiler to cool down completely.Locate the reset button on the control panel and press it firmly.If the code persists, check if the system pressure is too low and top it up via the filling loop.
Your boiler has detected that the water pressure is too low to operate safely.
Locate the filling loop valves underneath the boiler.Slowly open the valves to let water into the system.Close the valves once the pressure gauge reaches between 1.0 and 1.5 bar.
Your boiler has failed to light the gas flame and has shut down as a safety precaution.
Check that your gas pre-payment meter has credit.Ensure other gas appliances in your home, like a hob, are working.Press and hold the 'Reset' button for five seconds to see if the boiler restarts.
on the Biasi Riva Plus M96.24SM
Based on parts cited in our fault code database. Your engineer will confirm what's actually needed after diagnosis.
Call a Gas Safe engineer if…
- You can smell gas or see signs of a leak
- The Biasi shows an Emergency or High severity code
- The boiler keeps locking out after repeated resets
- You've tried the DIY checks and the fault hasn't cleared
- There's visible water leaking from the boiler
- The flame is yellow or orange instead of blue