Alpha E-Tec Plus 33 Fault codes & diagnostics

Your boiler has failed to light the flame needed to generate heat, and it will keep trying to restart until the fault is cleared.

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

Your boiler has lost the secure electrical connection required to safely control its gas supply, so it has shut down to prevent any unsafe operation.

Your boiler is struggling to detect the temperature of the water flowing through your heating system, which is preventing it from heating your home properly.

Your boiler is struggling to detect the temperature of the water being heated for your taps, which means it has stopped providing hot water to prevent overheating.

Your boiler has attempted to restart itself too many times after encountering a series of underlying issues and has now locked itself out for safety.

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

Your boiler's computer system is currently confused about how your internal heating setup is configured, which prevents it from operating safely.

Your boiler's computer is confused because its internal settings do not match how the system is physically connected or configured.

Your boiler has stopped working because it cannot properly circulate the air it needs to burn gas safely.

Your boiler has detected a flame signal when it shouldn't be there, so it has purposefully shut itself down to keep your home safe.

Your boiler's computer is confused because it has detected a mismatch in its internal settings, meaning it cannot safely start your heating or hot water.

Your boiler's control panel has detected that one of its buttons is permanently held down or jammed, preventing the system from operating normally.

Your boiler's computer has encountered an internal error and cannot communicate properly, which means it will not be able to provide heating or hot water.

Your boiler is struggling to pump water around your heating system effectively, causing it to overheat and shut down to protect itself.

Your boiler has detected an issue with the sensor that monitors the temperature of the gases leaving your flue, meaning it has safely shut down to prevent potential overheating.

Your boiler's electronic control system is showing an error that doesn't apply to this specific model, suggesting a potential software glitch or a loose internal communication wire.

Your boiler is struggling because it is not receiving enough electricity from your home's mains power supply.

Your boiler is struggling to keep its flame lit, so it is automatically turning itself off and trying to restart to keep you safe.

Your boiler is repeatedly shutting down because it cannot consistently keep the flame lit, often caused by strong winds affecting the flue outside.

Your boiler has detected that the water is heating up or circulating much faster than it should, which often points to a blockage or a pump issue.

Your boiler has stopped working because a safety link that tells the unit it is safe to operate has been disconnected or triggered.

Your boiler is getting too hot inside its exhaust path, so it has automatically turned down its power to prevent any internal damage.

Your boiler is struggling because the electricity supply coming from your mains is not stable or is fluctuating outside of the normal range it expects.

Your boiler has stopped circulating water because the internal pump that pushes water around your heating system is currently not spinning.

Your boiler is struggling to push water around your heating system because there is trapped air bubbles inside the pump or a blockage in the pipes.

Your boiler has lost its saved settings for the air and gas mixture and needs to be professionally reconfigured to run safely and efficiently.

Your boiler is struggling to detect water temperature correctly, which is likely caused by a blocked system, loose wiring, or a faulty sensor prevented it from heating properly.

Your boiler's computer has detected a configuration error and needs a reset of its internal operating settings to function correctly.

Your boiler has detected an inconsistent temperature reading between its internal sensors, causing it to shut down for safety.

Your boiler has detected a faulty reading from a sensor that monitors the internal temperature, causing it to shut down for safety.

Your boiler is struggling to accurately read its own internal water temperatures because its primary thermometers are likely sending conflicting or faulty signals.

Your boiler is struggling to read its own internal temperatures because one of its sensors is sending conflicting or invalid signals.

Your boiler has detected an issue with the internal component that regulates gas flow, meaning it has safely shut itself down to prevent unsafe operation.

Your boiler has detected an internal electrical fault preventing it from safely controlling the gas supply, so it has shut down to keep your home safe.

Your boiler is struggling because it is not receiving enough gas to work properly, so it has automatically limited its power to stay safe.

Your boiler has detected an internal issue with the part that manages the gas supply, so it has safely shut itself down to prevent unsafe operation.

Your boiler is struggling to keep a steady flame, causing it to shut down for safety reasons.

Your boiler has detected an issue with the flame detection system, forcing a safety shutdown to prevent improper operation.

Your boiler is failing to stay lit because it cannot reliably detect the flame needed to produce heat.

Your boiler's air management system is struggling to function properly and has hit its limit, causing it to stop for safety reasons.

Your boiler has detected an issue with the flame intensity that falls outside of its normal operating settings, causing it to shut down for safety reasons.

Your boiler is struggling to maintain a steady flame, causing it to shut down for safety reasons.

Your boiler's computer system has encountered too many internal errors and has safely locked itself to prevent further issues.

Your boiler has failed to light because it cannot detect a flame, which means your heating and hot water have stopped working.

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

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

Your boiler has stopped heating because it is struggling to accurately measure the temperature of the water flowing through your radiators.

Your boiler is struggling to detect the temperature of your hot water, which means it has temporarily stopped heating your taps and shower.

Your boiler has stopped working because it has been manually reset too many times following previous errors, and it now requires a professional to unlock the system.

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

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

Your boiler has stopped working because the mechanical fan that pushes waste gases outside is not spinning correctly.

Your boiler has been trying to top up its internal water pressure for too long, suggesting your heating system might have a leak or a faulty filling valve.

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

Your boiler has lost its digital connection to the wall-mounted remote controller, meaning it cannot receive signals to heat your home or water.

Your boiler has stopped working because it cannot stay lit, meaning your heating and hot water have turned off as a safety precaution.

Your boiler has detected that the electricity supply coming into your home is not steady enough to run its internal electronics safely.

Your boiler is repeatedly struggling to keep its internal flame lit, prompting it to shut down for safety reasons.

Your boiler has tried to light its internal flame several times but failed, so it has safely shut itself down to prevent wasting gas.

Your boiler is failing to ignite because it has not received the necessary signal to open the gas supply, meaning you currently have no heating or hot water.

Your boiler is not safely venting fumes because the component responsible for pushing air through the system has stopped working properly.

Your boiler has lost its internal settings regarding the type of gas it uses and needs a professional to recalibrate the system before it can safely operate.

Your boiler has lost its fine-tuning settings and needs to recalibrate itself to burn gas correctly.

Your boiler is having trouble controlling the internal gas flow, which means it has safely shut down to prevent damage or inefficient operation.

Your boiler is failing to detect the gas valve correctly, which prevents it from safely supplying fuel to light the burner.

Your boiler has detected an internal error with the mechanism that controls the gas supply, meaning it cannot safely start up to heat your home or water.

Your boiler has lost communication with its external thermostat or smart control system, causing it to shut down for safety.

Your boiler's electronic settings do not match the physical flue pipe installed, needing a quick adjustment to confirm the pipe length is set correctly for your home.