14 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
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Your boiler is currently unable to read the water pressure inside the system, so it has safely shut down to prevent any damage.
Your boiler has detected a problem with its primary temperature sensor and has shut down as a safety precaution to prevent overheating.
Your boiler has detected an issue with one of its internal temperature sensors, which means it has safely shut itself down to prevent overheating or incorrect operation.
Your boiler has detected a problem with its primary temperature sensor and has shut down as a safety precaution to prevent overheating.
Your boiler has detected a problem with its primary temperature sensor and has shut down as a safety precaution to prevent overheating.
Your boiler has detected a problem with its primary temperature sensor and has shut down as a safety precaution to prevent overheating.
Your boiler has detected a problem with its internal temperature sensors, which means it cannot accurately monitor the water temperature and has stopped working for safety.
Your boiler has detected a problem with its internal temperature sensors, which means it cannot accurately monitor the water temperature and has stopped working for safety.
Your boiler has detected a communication issue with one of its internal temperature sensors, causing it to stop operating as a safety precaution.
Your boiler has detected a problem with its internal temperature sensors, which means it cannot accurately monitor the water temperature and has stopped working for safety.
Your boiler has detected a problem with its internal temperature sensors, which means it cannot accurately monitor the water temperature and has stopped working for safety.
Your boiler has lost connection to its outdoor thermometer because the wiring has developed a fault or been damaged.
Your boiler's fan is failing to maintain a steady speed, which prevents the system from safely drawing in air and exhausting gases.
Your boiler's internal control board cannot safely operate the gas valve, preventing the system from firing up for heating or hot water.
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BoilerFaultCodes