High
E62 on Alpha Intec2 25 28XE

Your boiler's software currently does not recognise the type of gas being supplied to it and requires a specialist adjustment to ensure it is burning fuel 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.

What the manual says

Manufacturer manual

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

From this model's manual
Verified against the Alpha Intec2 25 28xe installation & service manual, page 47.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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