Alpha FE Fault Code
The Alpha FE fault code means: your boiler is experiencing a communication error between its internal electronic parts, meaning it has stopped working to prevent further damage.. It appears on 2 Alpha models in our database.
Technical description: Faults with the “FE” code are not saved in the fault records.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Alpha models that show the FE fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Alpha FE fault code information on this page is sourced and cross-checked against the official Alpha service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026