Heatline Monza Fault codes & diagnostics

Your boiler's control panel is experiencing a communication error, which means it cannot process commands or display information correctly.

Your boiler has lost the ability to read the temperature of the water circulating through your heating system, so it has shut itself down to prevent it from overheating.

Your boiler has lost the ability to measure the temperature of the water returning to it, so it has shut down as a precaution to prevent overheating.

Your boiler has lost the ability to accurately measure the temperature of the water used for your heating, so it has shut down to prevent any damage.

Your boiler has lost the ability to accurately measure the temperature of the water coming back into it, so it has shut down to prevent overheating.

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

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

Your boiler has detected that the water flowing out is significantly hotter than the water returning, suggesting a poor flow through your heating system.

Your boiler is struggling to move water around your heating system correctly, which is causing it to shut down to prevent overheating.

Your boiler is unable to regulate its gas flow correctly, which is preventing it from lighting safely.

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

Your boiler is trying to start but cannot light the flame, which means you currently have no heating or hot water.

Your boiler has stopped because the flame inside has gone out and will not stay lit.

Your boiler is struggling to breathe properly because it cannot pull in enough fresh air to safely burn the gas, so it has shut down to prevent any risk.

Your boiler is struggling to communicate with its internal controls due to a problem with the electrical signal it uses to coordinate its functions.

Your boiler has detected an internal electrical problem that is preventing it from safely controlling the gas supply, so it has shut down to keep you safe.

Your boiler’s internal computer has encountered a critical storage error and can no longer safely control your heating or hot water.

Your boiler's internal computer has encountered a serious error and can no longer control the heating system, meaning the unit will need a professional inspection.

Your boiler has detected that its internal control unit is getting too hot, so it has safely shut itself down to prevent damage.

Your boiler has stopped working because it cannot detect the flame used to heat your water.

Your boiler is struggling to maintain a steady flame, causing it to shut down to stay safe.

Your boiler's electronic control panel is not communicating correctly with the main internal computer, causing the system to lock out for safety.

Your boiler has stopped working because it is unable to accurately measure the temperature of the water being sent to your radiators, causing it to shut down for safety.

Your boiler has detected that the water inside the unit is not circulating properly, so it has stopped working to protect itself from overheating.

Your boiler is struggling to accurately detect the water pressure in your heating system, so it has safely shut down to prevent potential damage.

Your boiler is struggling to read the water pressure in your heating system, which is preventing it from firing up reliably.

Your boiler has detected an issue with the valve that controls the supply of gas to the burner, meaning it has safely shut itself down and will not provide heating or hot water.

Your boiler has detected that the water pump responsible for circulating heat is not communicating with the system, so it has shut down to prevent overheating.

Your boiler has detected an imbalance in the water temperature flowing in and out of the heating system, causing it to shut down to prevent potential damage.

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