Emergency
E110 on Potterton Sirius FS

Your boiler has detected that it is running too hot or that harmful exhaust fumes are not escaping properly, so it has automatically turned itself off to stay safe.

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

Safety or flue gas thermostat tripped

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

E133View →

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