5 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Replaced by: Independent Combi
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Your boiler's computer memory chip is not communicating correctly with the main control board, which prevents the boiler from starting safely.
Your boiler has lost its unique configuration settings, meaning it has forgotten how to communicate with its internal control panel.
Your boiler has lost communication with its internal memory chip, meaning it cannot operate safely until the settings are restored or the component is replaced.
Your boiler has detected that it is getting too hot or cannot move water through the system, so it has safely shut itself down to prevent damage.
Your boiler is struggling to accurately measure the temperature of the water being heated, which is preventing it from running your heating and hot water properly.
BoilerFaultCodes