8 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Easi-Flo Plus
This boiler uses LED flash patterns
Count the flashes in one repeating group before the pause. That number is your fault code. Do not reset until you have noted it. How to read fault codes →
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Your boiler has detected that the water inside it has become dangerously hot and has shut itself down to prevent damage or safety issues.
Your boiler has detected an internal communication error with its main control board and has safely shut itself down to prevent further issues.
Your boiler has detected that it is overheating and has automatically shut down to prevent internal damage.
Your boiler is struggling to clear exhaust gases properly, so it has safely shut itself down to prevent any risk of fumes entering your home.
Your boiler has detected that it is overheating and has shut down as a safety precaution to prevent damage.
Your boiler is struggling to accurately measure the temperature of the water used for your taps and shower, so it has turned off the hot water supply for safety.
Your boiler has stopped working because it cannot correctly read the temperature of the incoming water supply.
Your boiler is detecting a flame inside the unit even when it has been told to turn off, which means it has safely shut itself down to prevent a potential hazard.
BoilerFaultCodes