Sime Murelle HE Regular Fault codes & diagnostics

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

Your boiler has detected a communication problem with the temperature sensor that monitors the water circulating through your heating system, so it has shut down to prevent potential overheating.

Your boiler has stopped working because it has detected an issue with the ignition process or flame safety, preventing it from starting up safely.

Your boiler has detected that it is dangerously overheating and has automatically shut itself down to prevent damage.

Your boiler is failing to detect a flame, so it has safely shut itself down to prevent a gas build-up.

Your boiler has detected that water is not flowing through the system correctly, which is preventing it from heating your home properly.

Your boiler has lost the ability to read its own water temperature, so it has shut down to prevent overheating.

Your boiler has detected an issue with the fan that pushes exhaust gases out of the flue, so it has stopped working to keep you safe.

Your boiler has detected that a secondary heating circuit, such as underfloor heating, has become too hot and has automatically shut down for safety.

Your boiler has detected an issue with one of its internal temperature sensors, which means it has stopped working to prevent potential overheating or inaccurate operation.

Your boiler's main computer brain is experiencing an internal electronic fault and cannot communicate properly with the rest of the system.

Your boiler has stopped working because it is unable to accurately detect the temperature of the water returning to it from your radiators.

Your boiler is struggling to communicate with a sensor that monitors the water temperature, meaning it has safely shut down to prevent overheating.

Your boiler's internal settings have become scrambled, meaning the control board no longer understands how your heating system is supposed to be configured.

Your boiler's internal electronic parts are having trouble talking to each other, which has caused the system to stop working as a safety precaution.

Your boiler is having trouble communicating with an external control system or a secondary linked boiler, causing it to pause operations for safety.

Your boiler's internal components are currently unable to communicate with each other, which has caused the system to stop functioning as a safety precaution.

Your boiler has detected an issue with the water flow or pressure sensor, causing it to shut down to prevent potential damage to the internal components.

Your boiler is failing to detect that the water is circulating properly, which prevents it from safely heating up.

Your boiler has detected an issue with the air supply or exhaust system, preventing it from operating safely.

Your boiler has detected a problem with its internal water circulation system, meaning it cannot effectively move heat to your radiators or taps.

Your boiler's internal water pressure is too low, meaning there is not enough water circulating to heat your home or provide hot water.

Your boiler has detected that the water pressure inside the system has dropped too low for it to operate safely.