Potterton Promax 15/2 HE Plus Fault codes & diagnostics

Your boiler has stopped working because it cannot safely vent the exhaust gases, so it has locked itself to prevent unsafe operation.

Your boiler is failing to run because it isn't receiving enough electricity from your home's power supply.

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

The internal computer that controls your boiler has experienced a permanent error and is no longer able to give instructions to your heating system.

Your boiler's internal computer has developed a fault and is unable to operate, meaning the system will not provide any heating or hot water until a professional repairs it.

Your boiler has discovered a problem with the internal air ventilation system and has safely shut itself down to prevent unsafe operation.

Your boiler is not receiving enough electricity from your home's power supply to run safely and consistently.

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

The internal computer board inside your boiler has developed a fault and is failing to send the correct signals to start your heating and hot water.

Your boiler's central control computer has developed an internal electrical fault and is no longer able to give instructions to the system.

Your boiler has detected that water is not circulating properly through the system, so it has shut down to protect the internal components from overheating.

Your boiler's temperature sensor is providing incorrect readings, so it has shut down to prevent the system from overheating.

Your boiler has detected that the electricity cables supplying it have been wired the wrong way around, preventing it from operating safely.

Your boiler's internal computer has developed a fault and is failing to communicate with the rest of the unit, meaning it will not operate until repaired.

Your boiler has detected that it is running without enough water inside, which means it cannot safely heat your home and has shut itself down to prevent damage.

Your boiler has stopped working because a sensor that measures water temperature is providing incorrect information or has failed.

Your boiler has detected that the electrical wires providing its power have been connected the wrong way around.

Your boiler's internal electronic brain has detected a critical error and is unable to safely control the heating system, meaning the boiler has shut down.

Your boiler is failing to light because it cannot detect a flame, meaning you currently have no heating or hot water.

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

Your boiler has detected an issue with its internal ventilation system, causing it to shut down for safety reasons to prevent dangerous fumes from building up.

Your boiler has stopped because it can no longer detect the flame needed to heat your water.

Your boiler's temperature sensor is failing, which prevents it from safely controlling the heat, so it has shut down to protect the system.

Your boiler's sensor that monitors the temperature of the water coming back from your radiators is not working correctly, causing the boiler to stop to prevent overheating.

Your boiler has identified an internal electrical issue that prevents it from safely controlling the flow of gas, so it has shut down to protect your home.

Your boiler has stopped working because the amount of water inside your heating system has dropped below the required level.

Your boiler has sensed that the temperature in your underfloor heating system is too high and has shut itself down to prevent damage.

Your boiler has detected that the water leaving the unit is significantly hotter than the water returning to it, often indicating a blockage or a pump issue that prevents water from circulating correctly.

Your boiler is struggling to confirm that air is moving properly through its internal ventilation system, so it has safely shut down to prevent unsafe operation.

Your boiler is failing to detect that water is circulating, which prevents it from safely igniting to provide your heating and hot water.

Your boiler is failing to light because it cannot control the flow of gas correctly, meaning your heating and hot water will not work.

Your boiler has detected that hot water is flowing in the wrong direction or the water returning to it is hotter than the water leaving it, causing the system to shut down for safety.

Your boiler is shutting down because the water inside is heating up much faster than it can circulate through your radiators.

Your boiler's computer is experiencing an internal error, which has caused it to stop working to ensure your safety.

Your boiler's computer system has encountered an internal error and cannot process its normal operations, causing it to stop heating.

Your boiler's computer is experiencing an internal error and has shut down for safety reasons.

Your boiler's computer has detected a serious internal error and has shut down to prevent damage to the system.

Your boiler's computer has encountered an internal error and stopped working as a safety precaution.

Your boiler has detected that the water temperature difference between the flow and return pipes is too great, meaning the system is struggling to move heat efficiently.

Your boiler has stopped working because it cannot accurately measure the temperature of the water returning to it, so it has shut down as a safety precaution.

Your boiler has detected an issue with the air venting system, which is preventing it from safely clearing waste gases and starting up.

Your boiler is struggling to accurately measure the temperature of the water it is heating, so it has shut down to prevent overheating.

Your boiler's computer is experiencing an internal error, which means the system has stopped working to prevent further damage.

Your boiler's computer system has encountered an internal error and cannot operate safely, so it has shut itself down to prevent further issues.

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

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

Your boiler is struggling to move water around your heating system, so it has shut down to prevent itself from overheating.

Your boiler is failing to light because it cannot detect a stable flame or is not receiving an adequate gas supply.

Your boiler is struggling to get the air flowing properly, so it has safely shut itself down to prevent it from running incorrectly.

Your boiler has stopped working because the internal fan, which safely exhausts gases, is unable to start or spin at the correct speed.

Your boiler has lost all power and is completely unresponsive as if it has been unplugged.

Your boiler has failed to start up or stay alight and has automatically shut itself down for safety.

Your boiler communication system is struggling to connect internal parts, meaning it has safely shut down to prevent incorrect operation.

Your boiler has failed to light the flame properly and has shut itself down as a safety precaution while trying to start up.

Your boiler has lost its internal connection to the control panel, causing it to stop operating completely.

Your boiler has detected a faulty temperature sensor which means it can no longer accurately monitor how hot the water is getting.