High
98 on Alpha Intec2 25 28XE

Your boiler's computer has encountered too many internal processing errors and has safely locked itself to prevent further instability.

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

Block - max. number of software errors. The maximum number of software errors possible has been reached

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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