9 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Baxi 600 System
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Your boiler has stopped working because it is unable to accurately measure the temperature of the water used for your heating system.
Your boiler has detected an issue with the sensor that monitors the temperature of the gases leaving your flue, causing it to shut down for safety.
Your boiler has lost the ability to accurately measure the temperature of the hot water, so it has shut down to prevent the system from overheating.
Your boiler has switched itself off because it has become dangerously hot and requires a professional to investigate why it is overheating.
Your boiler has stopped working because the water pressure inside the system has dropped too low to operate safely.
Your boiler has detected that water is not moving around your heating system properly, so it has safely shut down to prevent overheating.
Your boiler has detected that the exhaust gases are becoming too hot, causing it to shut down for safety to prevent damage to the internal components.
Your boiler is failing to ignite because it cannot detect a flame, which is most often caused by a lack of gas supply or a temporary glitch in the ignition system.
Your boiler has stopped working because it cannot properly circulate the air it needs to burn fuel safely.
BoilerFaultCodes