Emergency
E01 530 on Ideal Mexico Super CF3 40-80

Your boiler has detected an issue with the internal flue vent that prevents it from clearing exhaust gases safely, causing it to shut down to protect your home.

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

Flue baffle CF 3/40

From this model's manual
Verified against the Ideal Mexico Super Cf3 40 80 installation & service manual.
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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