8 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Main Eco Elite
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Your boiler has detected a problem with the sensor that measures the temperature of your heating system, so it has temporarily stopped working to be safe.
Your boiler has detected that the electronic control board currently installed is not the correct model or version specified for your specific appliance.
Your boiler is struggling to accurately measure the temperature of your hot water because a sensor is failing, which usually stops hot water from working properly.
Your boiler has automatically shut down because it detected dangerously high internal temperatures.
Your boiler has temporarily stopped working because the water pressure inside the system has dropped too low.
Your boiler has detected that water is not flowing properly through the internal heating system.
Your boiler has stopped working because it cannot detect a steady flame to keep it burning, which usually points to an issue with the gas supply or the ignition.
Your boiler has detected an issue with the internal fan or its wiring, which prevents it from safely clearing waste gases and stops the heating and hot water from working.
BoilerFaultCodes