Faulty air pressure sensor High

Boiler Fault Code Faulty air pressure sensor

Also written as FAULTYAIRPRESSURESENSOR — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Faulty air pressure sensor appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an issue with the sensor that manages internal airflow, so it has safely shut down to prevent incorrect operation. (As reported on Biasi Garda HE MK2)

Pick your boiler brand for the Faulty air pressure sensor fix

Source

Information for the Faulty air pressure sensor fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026