How much does it cost to fix boiler error code APS fault?

Typical repair cost for the boiler APS fault fault is £120-250 including labour.

APS fault High

Boiler Fault Code APS fault

Also written as APSFAULT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code APS fault appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is struggling to clear exhaust gases properly, which has triggered a safety pause to prevent it from operating until the airflow is corrected. (As reported on Vokera Compact HE)

Pick your boiler brand for the APS fault fix

Vokera APS fault 1 model

Source

Information for the APS fault 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