High
62 on Alpha Intec2 25 28XE

Your boiler has lost its internal settings, likely after a repair or power reset, and needs a professional to recalibrate it to burn gas 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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