Ariston Red L.E.D. I Fault Code
Also written as REDLEDI — same fault.
The Ariston Red L.E.D. I fault code means: your boiler has stopped working because it failed to light the flame needed to heat your water and home.. It appears on 5 Ariston models in our database.
Technical description: Shutdown due to ignition failure
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 L.E.D. I fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Ariston Red L.E.D. I 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