9 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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Your boiler has lost the ability to accurately measure the temperature of the water circulating through your radiators, so it has shut down to prevent overheating.
Your boiler has detected that the internal computer board installed does not match the model requirements, preventing it from functioning correctly.
Your boiler has lost the ability to accurately measure the temperature of its hot water, so it has shut down to prevent overheating.
Your boiler has detected that it is running too 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 pump water around your heating system, so it has safely shut down to prevent overheating.
Your boiler has lost power while trying to recover from an earlier error, meaning it has simply switched itself off to protect itself.
Your boiler is failing to ignite because it is not receiving enough gas or is unable to maintain a flame, causing it to stop working for safety reasons.
Your boiler has detected that the internal fan responsible for safely venting exhaust gases is not working correctly, so it has shut down to prevent any unsafe operation.
BoilerFaultCodes