High
62 on Alpha H25 Xtraflame

Your boiler has lost its specific operating settings and needs a professional engineer to electronically recalibrate it to ensure it is burning fuel safely and efficiently.

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

Full boiler calibration required - This may occur when the PCB is replaced or if the parameters are altered in the air/gas section

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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Related fault codes

60View →61View →

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