Emergency
L.E.D. E (Yellow) on Ariston Egis 24 MFFI

Your boiler has detected a problem with clearing its exhaust fumes and has safely turned itself off to prevent carbon monoxide buildup.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Exhaust Discharge Anomaly Shutdown: The boiler is fitted with safety devices, which in the event of defective discharge of exhaust products, automatically interrupts the gas supply, thereby shutting off the boiler for a period of about 15 minutes.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E04View →

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