Emergency
Neon 25 on Potterton Performa 24

Your boiler has automatically shut down because it has detected dangerously high temperatures, effectively acting as a safety cut-out to prevent damage.

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 Thermostat Activated (Boiler or Flue)

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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