A10 High

Boiler Fault Code A10

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code A10 appears across 3 boiler brands and 13 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's electronic memory chip has developed a software or communication fault, preventing the system from running safely. (As reported on Vokera Condexa Pro)

Pick your boiler brand for the A10 fix

Ariston A10 9 models Ferroli A10 3 models Vokera A10 1 model

Source

Information for the A10 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 27 April 2026