High
E62 on Alpha Intec 50CS

Your boiler has lost its internal settings regarding the type of fuel it uses and requires a professional engineer to perform a re-calibration to function safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Indicates the gas type has been changed and that full calibration is now required.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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