Ariston Red G L.E.D. Fault Code
Also written as REDGLED — same fault.
The Ariston Red G L.E.D. fault code means: your boiler has switched itself off because it has become dangerously hot and needs to cool down to prevent internal damage.. It appears on 1 Ariston model in our database.
Technical description: Shutdown due to overheating (safety thermostat detected that the boiler temperature has reached the temperature limit)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Gas Safe Register →Ariston models that show the Red G L.E.D. fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ariston Red G L.E.D. fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026