Ariston Bravo 24 MFFI Fault codes & diagnostics

Your boiler has detected that it is getting too hot and has automatically shut itself down to prevent internal damage.

Your boiler has tried multiple times to start but failed to produce a flame, so it has safely shut itself down to prevent a gas buildup.

Your boiler has detected that the exhaust gases leaving the unit are dangerously hot, so it has safely shut itself down to prevent damage.

Your boiler's main control computer is experiencing an internal error, causing it to shut down for safety reasons.

Your boiler's main control computer is malfunctioning, which means the system cannot safely regulate its operations.

Your boiler's main control unit has identified an internal electronic error and is preventing the system from starting to ensure your safety.

Your boiler's air extraction system is not operating correctly, which prevents the unit from starting safely.

Your boiler has stopped working because the water pressure inside the heating system has dropped too low.

Your boiler is failing to ignite the flame needed to heat your water and radiators, despite a few automatic attempts to start.

Your boiler has stopped working because it cannot move the hot water around your system effectively.

Your boiler has detected that the water level inside the heating system is too low to operate safely.

Your boiler is failing to detect that water is moving through the system, meaning it won't start up to provide you with heating or hot water.

Your boiler has detected an electrical connection issue with the sensor that tracks water movement, causing it to shut down for safety.

Your boiler has lost the signal from the sensor that monitors the temperature of the water returning to the unit, causing it to shut down for safety.

Your boiler has stopped working because a sensor that measures the water temperature as it returns to the unit is sending an incorrect or broken signal, causing the system to shut down for safety.

Your boiler is having trouble holding a stable flame safely, so it has shut itself down to prevent any risk.

Your boiler is failing to detect the airflow needed for safe operation, so it has shut down to prevent any risk.

Your boiler has detected that the internal exhaust fan is not spinning fast enough to remove combustion gases safely, so it has shut down to prevent a hazard.

Your boiler is struggling to accurately measure the temperature of the water being stored or prepared, which is preventing it from heating your home or taps correctly.

Your boiler has lost the ability to accurately measure the temperature of the water being stored for your taps, causing it to stop heating water to prevent a potential malfunction.

Your boiler is struggling to correctly detect or manage the level or flow of water within its internal storage system, which is preventing it from heating your home properly.

Your boiler is failing to register the room temperature correctly because the wall-mounted thermostat or internal sensor is disconnected.

Your boiler is struggling to read the temperature correctly because a small sensor that tells it how hot the room is has developed a faulty electrical connection.

Your boiler has stopped heating your home or water because it is not receiving a signal from your underfloor heating temperature sensor.

Your boiler has detected a disconnection in the sensor responsible for monitoring the exhaust gases, causing it to shut down for safety reasons.

Your boiler's internal computer system is having trouble talking to itself, which prevents it from safely operating your heating and hot water.