Potterton Suprima HE Fault codes & diagnostics

Your boiler has stopped working because it cannot properly clear away the combustion gases, so it has safely shut itself down to prevent any issues.

Your boiler is receiving an unstable or insufficient amount of electricity from your home's power supply, preventing it from starting up correctly.

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

Your boiler's electronic brain has developed a fault and can no longer control the heating system, meaning the boiler will not function.

Your boiler's electronic brain has stopped working correctly and is no longer able to communicate with the rest of the system to heat your home.

Your boiler has detected that it got too hot and has automatically shut down to protect itself from damage.

Your boiler has become too hot and has automatically turned itself off as a safety precaution to prevent damage.

Your boiler is unsuccessfully attempting to light the flame, which means it will not be able to provide any heating or hot water until the issue is resolved.

Your boiler has stopped working because the internal fan, which is responsible for safely venting exhaust gases, has failed to start properly.

Your boiler is failing to start because it is not 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.

Your boiler's main control computer is failing and no longer capable of operating the system safely.

Your boiler's internal control brain is malfunctioning and is no longer able to safely operate your heating and hot water system.

Your boiler has detected that there is not enough water circulating inside it, which triggers a safety shutdown to prevent the internal components from overheating.

Your boiler has stopped working because it is unable to accurately measure its own internal temperature to control the heating process safely.

Your boiler has detected that the electricity supply wires are connected the wrong way around, which prevents it from operating safely.

Your boiler's central control computer has encountered an internal error and can no longer safely manage the heating or hot water functions.

Your boiler has failed to ignite several times and has shut down as a safety precaution.

Your boiler has detected that it is running too hot and has automatically shut down to prevent damage, meaning you currently have no heating or hot water.

Your boiler has detected that there is not enough water inside the system to operate safely, which often means it needs to be topped up or has an air blockage.

Your boiler has detected an issue with the sensor that measures its internal water temperature, so it has shut down as a precaution to prevent overheating.

Your boiler has detected that the incoming electricity supply has been wired backwards, which prevents it from operating safely.

Your boiler's electronic command center has encountered a critical internal error and can no longer safely control the heating system.

Your boiler has switched itself off because it got too hot, likely due to a temporary blockage or a pump issue, and it needs to be manually restarted once it has cooled down.

Your boiler has detected an electrical safety issue where the power supply wires are connected in the wrong order.

Your boiler has stopped working because it failed to light the flame after several attempts and now needs a manual reset.

Your boiler has failed to start up or stay burning, so it has automatically shut down for safety.

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

Your boiler has failed to start after several attempts, likely because it cannot detect a flame or successfully ignite the gas.

Your boiler has failed to start after several attempts and has shut itself down as a safety precaution.

Your boiler has failed to start up or stay lit and has now shut itself down for safety, meaning you currently have no heating or hot water.

Your boiler has stopped working because it failed to light the gas burner after several attempts.

Your boiler is attempting to ignite the gas repeatedly but is failing to establish a stable flame, meaning your heating and hot water will not work.

Your boiler is trying to light the gas but the system cannot confirm that a flame has been successfully established.

Your boiler has stopped working because it cannot confirm that air is moving through the system correctly, which is a safety mechanism to prevent the burner from starting improperly.

Your boiler has no power arriving to it, meaning the status lights are completely dark and the system cannot start.

Your boiler has detected an issue with its internal ventilation system four times in a row, causing it to shut down for safety reasons.

Your boiler has detected that a safety sensor is stuck in the 'on' position before the fan has even started, so it has stopped working as a precaution.

Your boiler has paused its operation because it is detecting an electrical supply issue or a problem with how it disposes of waste gases.

Your boiler has detected an internal fault preventing it from heating up, likely due to a sensor measurement error or a overheating safety trigger.

Your boiler has lost the ability to accurately measure the temperature of its internal heat exchanger, so it has safely shut down to prevent overheating.

Your boiler has detected that hot water is not flowing through your heating system correctly, which is causing it to shut down to prevent overheating.

Your boiler has detected that hot water isn't moving around your radiators or pipes properly and has shut itself down to prevent overheating.

Your boiler has sensed that water isn't circulating properly and has shut itself down to prevent overheating.

Your boiler's temperature sensor is faulty, which means the system cannot accurately read how hot the water is and has safely shut down to prevent overheating.

Your boiler has lost the ability to accurately measure the temperature of the water being sent to your taps, so it has shut down to prevent overheating.

Your boiler is struggling to accurately measure the temperature of the water, which has caused it to stop heating your home and hot water for safety reasons.

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 heating system has dropped too low to operate safely.

Your boiler is struggling to move heat away from its core, meaning the water isn't circulating properly to warm up your radiators or taps.

Your boiler has detected that the flame inside has gone out while it was trying to heat your water, so it has shut down as a safety precaution.

Your boiler is failing to start because it cannot detect that the internal fan is spinning fast enough to clear out exhaust gases safely.

Your boiler has detected that the exhaust system is running too hot and has safely shut itself down to prevent damage.

Your boiler has experienced a power cut or electrical disruption while trying to report an error, causing it to lock itself out for safety.

Your boiler has stopped working because it cannot confirm that gas is flowing safely or because your central heating thermostat has triggered a safety shut-off.

Your boiler is failing to light the burner because it cannot detect a flame or is not receiving a consistent supply of gas.

Your boiler's internal computer is experiencing a communication error, which has caused the system to shut down for safety reasons.

Your boiler’s internal computer has encountered a critical error and has shut itself down as a precaution to prevent further damage.

Your boiler's internal fan is struggling to reach the speed required to safely clear exhaust gases, so it has shut down to prevent unsafe operation.

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

Your boiler is failing to detect the necessary electrical power to operate, which may be caused by a loose wire or an issue with your heating controls.

Your boiler has detected an issue with moving air through the system, so it has safely shut itself down to prevent it from firing up.

Your boiler has stopped working because it cannot accurately measure the temperature of the water flowing through the system.

Your boiler has stopped working because it failed to light the flame after several attempts, so it has shut itself down for safety.

Your boiler has lost all power and is completely switched off, likely due to a blown fuse or an electrical supply issue.

Your boiler has failed to light the flame and has safely shut itself down to prevent a gas buildup.

Your boiler has lost the internal connection needed to communicate with its control system, causing it to stop heating.

Your boiler has failed to start after several attempts and is now safely preventing itself from turning on to protect your home.

Your boiler has stopped working because it failed to light properly, resulting in a lockout safety shutdown.

Your boiler has stopped working because it couldn't safely ignite the flame after several attempts, so it has shut down to protect itself.

Your boiler has detected a critical internal fault that has caused it to stop working completely to keep you safe.

Your boiler has detected an issue preventing it from circulating water properly, so it has safely shut down to prevent damage.

Your boiler has detected a safety issue that has caused it to shut down to prevent damage, meaning you currently have no heating or hot water.

Your boiler has completely lost the electrical signal it needs to start running, meaning it is currently unable to provide any heating or hot water.

Your boiler has failed to light the gas flame and has entered a safety lockdown to prevent any issues.

Your boiler has lost its internal electrical connection, meaning it cannot receive the signals needed to operate and will currently have no heating or hot water.

Your boiler has automatically turned itself off because it has become dangerously hot and needs to cool down before it can be used again.

Your boiler has switched itself off because it has become too hot and needs a manual reset to restart.

Your boiler has automatically turned itself off because it has become too hot to operate safely.

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

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

Your boiler's internal computer has stopped working correctly and is no longer able to safely manage the heating system.

Your boiler has no power, which usually means the electricity supply has been cut off or a fuse has blown inside the unit.

Your boiler has detected a safety concern or internal error and has automatically switched itself off to prevent damage.

Your boiler has lost the signal that tells it to turn on, or a internal electrical component is preventing it from starting.

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

Your boiler has shut down because it cannot move water around its internal system effectively, causing it to overheat for safety reasons.