8 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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Your boiler has temporarily stopped working because it tried to start up several times but could not detect a flame.
Your boiler has detected that it is running too hot and has automatically shut down to prevent damage to its internal parts.
Your boiler has detected an issue with the water pressure or the flow regulation system, causing it to shut down to prevent damage.
Your boiler has detected an issue with its internal airflow or ventilation system, preventing it from safely starting up.
Your boiler's temperature sensor is providing incorrect readings, so it has shut down to prevent the water from getting too hot.
Your boiler is currently unable to sense the temperature of your hot water tap supply, which means it has stopped heating water to prevent the system from getting too hot.
Your boiler has detected that the exhaust gases are becoming too hot, so it has safely shut itself down to prevent damage.
Your boiler is unable to drain away the water it creates during normal operation, causing it to block up and stop working to prevent internal damage.
BoilerFaultCodes