Emergency
E 23 on Chaffoteaux Minima HE

Your boiler's fan is not spinning fast enough to clear waste gases safely, so the system has shut down to prevent a safety hazard.

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

Low extractor speed

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

E 22View →E 25View →

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