High
Overheat Detection on Chaffoteaux Talia Green System

Your boiler has automatically turned itself off because it detected that the water inside has become dangerously hot.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

If a temperature over 100°C is detected in the primary circuit by the sensor 23, the safety solenoids close and the fan stops. It is possible to reset the boiler when the primary circuit temperature falls below 76°C.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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