High
90 on Alpha Intec2 25 28XE

Your boiler has detected an issue with the flame intensity that it cannot regulate, causing it to shut down for safety.

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

Flame signal beyond limit. The flame signal is beyond the adjustment range required for an extended period of time

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

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