9 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: InTec 24 S
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Your boiler is failing to light the flame needed to produce heat and hot water.
Your boiler has detected that it is running too hot and has automatically shut itself down to prevent damage.
Your boiler has detected an issue with its ventilation or internal air pressure, so it has safely shut down to prevent any unsafe gas build-up.
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 circulating through your heating system, so it has shut down as a safety precaution.
Your boiler is struggling to accurately measure the temperature of your hot water, which means it will stop providing hot taps or showers to prevent overheating.
Your boiler has detected that the incoming gas pressure is too low to safely ignite or maintain its flame, so it has shut down to prevent issues.
Your boiler's internal computer memory has encountered a data error, meaning it has forgotten how to correctly control your heating and hot water.
Your boiler is struggling to talk to the wall-mounted thermostat or control unit, meaning it does not know when to turn your heating on or off.
BoilerFaultCodes