High
Table Row 11 on Biasi Riva Plus M96.24SM

Your boiler has shut down because a sensor has detected that the exhaust gases are too hot or the sensor itself has failed.

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

Flue temperature probe NTC lock out

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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Related fault codes

Table Row 4View →Table Row 10View →

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