Alpha Reset button illuminated Fault Code
Also written as RESETBUTTONILLUMINATED — same fault.
The Alpha Reset button illuminated fault code means: your boiler has stopped working because it couldn't safely ignite its internal flame, so it has shut itself down to keep your home safe.. It appears on 1 Alpha model in our database.
Technical description: Indicates that the 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 Reset button illuminated fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Alpha 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