How much does it cost to fix Ariston error code Yellow L.E.D. E?

Typical repair cost for the Ariston Yellow L.E.D. E fault is £120-350 including labour.

Yellow L.E.D. E Emergency

Ariston Yellow L.E.D. E Fault Code

Q: What does the Ariston Yellow L.E.D. E fault code mean?

Your boiler has temporarily stopped working because it has detected that dangerous exhaust fumes are not being cleared away safely.

Also written as YELLOWLEDE — same fault.

The Ariston Yellow L.E.D. E fault code means: your boiler has temporarily stopped working because it has detected that dangerous exhaust fumes are not being cleared away safely.. It appears on 2 Ariston models in our database.

Technical description: Temporary Shutdown Due To Defective Discharge of Exhaust Fumes. The boiler is fitted with safety devices, which in the event of a defective discharge of exhaust fumes, automatically interrupts the gas supply. The shut-off is temporary and is indicated by the illumination of the yellow L.E.D. E for a period of about 15 minutes.

Typical repair cost £120-350 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Ariston models that show the Yellow L.E.D. E fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ariston Yellow L.E.D. E 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