Low
CE on Alpha Intec2 25 28XE

Your boiler is receiving an incorrect signal from an optional external weather sensor, which means it cannot accurately adjust its temperature based on outdoor conditions.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

External sensor correction value is over +9 (for external control connection only used with system supervisor connection).

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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