BoilerFaultCodes
The most common Chaffoteaux faults
Your boiler is trying to start but the burner is failing to ignite, meaning you currently have no heating or hot water.
Check if other gas appliances, like a hob, are working to ensure gas is reaching the propertyCheck that your gas pre-payment meter (if applicable) has creditPress the Reset button once to see if the boiler restarts
Your boiler has detected that the water temperature is too low for it to operate correctly, which usually means the water is not circulating properly or a sensor is faulty.
Check that your boiler pressure is between 1 and 1.5 bar on the gauge.Ensure all radiator valves are fully open.Restart the boiler using the reset button to see if the error clears.
Your boiler has detected that the water pressure is too low to operate safely, causing it to shut down.
Locate the filling loop (usually a silver flexible hose) under the boiler.Slowly open the small valves to allow water into the system.Watch the pressure gauge and close the valves once it reaches between 1.0 and 1.5 bar.
Your boiler is unable to start the pilot flame, which means it cannot provide any heating or hot water until the ignition process is successful.
Check if your gas supply is turned on and other gas appliances are workingPress the reset button once to try and restart the ignition sequenceEnsure there is credit on your pre-payment gas meter
Your boiler has lost water pressure and does not have enough water inside it to run safely.
Locate the filling loop (the flexible silver hose usually found underneath the boiler).Slowly open the one or two small valves on the hose until you hear water entering the system.Watch the pressure gauge and close the valves tightly once the needle reaches 1.5 bar.
Your boiler has switched itself off because it has reached an unsafe temperature and needs to cool down before it can run again.
Turn off the boiler and allow it to cool for 20 minutes.Ensure all radiator valves are fully open to allow water to circulate.Press the Reset button on the front control panel to restart the system.
Your boiler is failing to light the gas burner, which means it cannot provide heat or hot water.
Check if other gas appliances in your home, like a hob, are working to confirm your gas supply is on.Ensure your gas meter has credit if you use a prepay meter.Press the 'Reset' button on the front control panel and wait for the boiler to restart.
Your boiler has stopped working because water is not moving around the internal system properly, causing it to shut down to prevent overheating.
Check that the boiler pressure gauge is between 1 and 1.5 barEnsure all radiator valves and isolation valves under the boiler are fully openGently bleed your radiators to remove any trapped air pocketsReset the boiler using the 'R' or Reset button