Saunier Duval Semia Condens F30 E Fault codes & diagnostics

Your boiler has lost power or has an electrical fault, meaning it cannot start up to provide heating or hot water.

Your boiler has stopped working because one of its internal temperature sensors is providing faulty information, preventing it from safely monitoring the water temperature.

Your boiler is failing to light the flame needed to produce heat and hot water, likely due to a combustion issue.

Your boiler has lost its ability to measure its own internal temperature correctly, so it has safely shut down to prevent overheating.

Your boiler has stopped working because the water pressure inside the system is currently too low to operate safely.

Your boiler has stopped working because it failed to start or stay lit, meaning your heating and hot water will not function.

Your boiler is failing to light the internal flame needed to produce heat and hot water despite several attempts.

Your boiler is failing to start because it cannot get the fuel it needs to produce a flame, meaning you currently have no heating or hot water.

Your boiler is struggling to push out waste gases, causing it to shut down for safety reasons.

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

Your boiler has stopped working because it is unable to accurately measure the temperature of the water circulating through your heating system.

Your boiler is struggling to accurately detect the temperature of the hot water it produces, so it has stopped heating water to prevent overheating.

Your boiler is struggling to detect the water level inside the system because the sensor that monitors it is disconnected or experiencing a communication error.

Your boiler has lost the signal from the sensor that monitors the temperature of the water circulating back from your radiators, so it has shut down to prevent overheating.

Your boiler's main internal computer and the front control display have lost their ability to talk to each other, preventing the system from operating.

Your boiler's computer is having trouble communicating with its internal parts, meaning the system has safely shut down to prevent incorrect operation.

Your boiler's electronic display panel is failing to communicate with the main computer, which prevents the boiler from operating correctly.

Your boiler has lost its connection to the sensor that monitors the temperature of the water circulating through your radiators.

Your boiler's computer components are not communicating correctly, meaning the system cannot run because it does not recognize its own internal hardware configuration.

Your boiler is struggling to move water through its system, which prevents it from heating up your home or water safely.

Your boiler has detected that hot water is not moving through your radiators properly, causing the system to get too hot inside and shut down as a precaution.

Your boiler has stopped working because it cannot correctly detect the temperature of the water flowing through it, likely due to a faulty sensor.

Your boiler has detected that a critical internal safety component has tripped, which means it has safely shut itself down to prevent potential overheating.

Your boiler has identified an internal software or hardware error that prevents it from operating safely.

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