BoilerFaultCodesThe 5 most common faults
Your boiler is failing to light the gas flame required to heat your water and home.
Check that your gas supply is turned on and other gas appliances are workingCheck if your prepaid gas meter has sufficient creditPress and hold the reset button for five seconds
Your boiler has overheated, causing it to shut down automatically for safety.
Check that all radiator valves are open to ensure water can flow properly.Wait for the boiler to cool down for at least 20 minutes.Rotate the selector switch to the reset position 'R' for a few seconds and then back to the desired setting.
Your boiler has failed to light or cannot detect a flame, meaning it will not provide heating or hot water until the issue is resolved.
Check if your gas supply is active by testing another gas appliance like a hob.Try resetting the boiler by turning the control knob to the 'R' position for a few seconds.Ensure there is no frozen condensate pipe or blocked flue terminal outside.
Your boiler is trying to start but cannot light the gas flame, causing it to shut down for safety.
Check if other gas appliances in your home, such as a hob, are working to confirm gas supply.Ensure your gas pre-payment meter (if applicable) has enough credit.Press the reset button on the control panel to attempt a restart.Verify that the white condensate pipe exiting the wall outside is not frozen or blocked.
Your boiler has stopped working because it cannot safely verify that the fan is moving harmful exhaust fumes out of the flue.
Full guide for Faulty air pressure sensoron the Biasi Riva Plus M296.24SM
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