YELLOW FLUE CONTROL LED Emergency

Ariston YELLOW FLUE CONTROL LED Fault Code

Also written as YELLOWFLUECONTROLLED — same fault.

The Ariston YELLOW FLUE CONTROL LED fault code means: your boiler has sensed that exhaust fumes are not leaving the chimney correctly, causing it to shut down for your safety.. It appears on 1 Ariston model in our database.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description: Flue device control faulty / Flue control probe intervention
Typical repair cost £120-280 (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 FLUE CONTROL LED fault code

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

Source

Ariston YELLOW FLUE CONTROL LED 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