High
12 on Alpha Intec2 30SE

Your boiler's computer is confused because its internal settings, such as whether it should be heating water or radiators, do not align with the physical parts installed.

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

Incorrect configuration - Incorrect hydraulic configuration / There is an inconsistency between the settings and signals received from the PCB

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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