High
E62 on Alpha E-Tec Plus

Your boiler has lost its internal settings regarding the type of gas it uses and needs a professional to recalibrate the system before it can safely operate.

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

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

From this model's manual
Verified against the Alpha E Tec Plus 28 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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