High
92 on Alpha Intec2 25 28XE

Your boiler is struggling to breathe properly and has hit the limit on how much it can adjust its internal air supply to stay running safely.

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

Fan speed max. correction. The system has reached the maximimum possible correction limit

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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