Alpha Red reset button illuminated Fault Code
Also written as REDRESETBUTTONILLUMINATED — same fault.
The Alpha Red reset button illuminated fault code means: your boiler has stopped working because it failed to ignite, which could be due to a simple issue like a lost gas supply or a more complex internal fault.. It appears on 5 Alpha models in our database.
Technical description: Burner has failed to light
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 Red reset button illuminated fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Alpha Red reset button illuminated 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