Emergency
E24 on Biasi Rinnova Adaptive Combi

Your boiler is struggling to breathe because the flue pipe that carries waste gases outside is likely blocked or obstructed.

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.

What the manual says

Manufacturer manual

Anomaly due to probable chimney obstruction.

From this model's manual
Verified against the Biasi Rinnova Adaptive Combi System installation & service manual, page 13.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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

E23View →E25View →

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