22 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Intec2 24CE
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Your boiler is failing to light the internal flame needed to produce heat or 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 that the gases venting out of your flue are becoming dangerously hot and has shut itself down to prevent damage or fire risk.
Your boiler has lost the necessary electrical signal to its internal gas supply component, so it has safely shut down to prevent any unsafe operation.
Your boiler's temperature-sensing system is detecting an inaccurate reading, which is preventing it from safely heating your home or water.
Your boiler is currently unable to sense the temperature of your hot water, which means it will stop providing hot water to your taps until the faulty sensor is replaced.
Your boiler has been manually reset too many times and has locked itself for safety to prevent further issues.
Your boiler has stopped working because the water pressure inside your heating system has dropped too low.
Your boiler has lost the connection to the temperature sensor inside your hot water cylinder, preventing it from heating your water correctly.
Your boiler has detected an internal communication or connection error within its control system, preventing it from operating safely.
Your boiler has stopped working because it cannot properly circulate the air it needs to burn fuel safely.
Your boiler is confused because it detects a flame inside when it hasn't actually turned the gas on yet, so it has safely locked itself to prevent an unsafe start-up.
Your boiler's control panel has detected that one of the buttons is physically stuck or jammed, which is preventing the system from operating normally.
Your boiler has detected that it is getting too hot too quickly and has shut itself down to prevent any damage or safety issues.
Your boiler is shutting itself down because the water inside isn't moving away from the heat source fast enough to keep it cool.
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 reasons.
Your boiler has lost its connection to the remote thermostat or controller on your wall, so it no longer knows when to turn your heating on or off.
Your boiler is failing to start because it is not receiving enough electricity from your home's power supply.
Your boiler is struggling to keep the flame lit and is automatically trying to restart itself to get your heating or hot water working again.
Your boiler has detected that the burner flame is repeatedly going out, so it has stopped working to keep your home safe.
Your boiler is struggling to read the outdoor temperature, likely due to a loose wire or a fault in the sensor installed outside your home.
Your boiler is overheating because it can't vent its exhaust fumes properly, so it has slowed down to protect itself from damage.
BoilerFaultCodes