F10-F22 High

Boiler Fault Code F10-F22

Also written as F10F22 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F10-F22 appears across 1 boiler brand and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler’s internal computer is experiencing a temporary glitch or a major software failure, meaning it cannot safely control the heating or hot water systems. (As reported on Ferroli Arean)

Pick your boiler brand for the F10-F22 fix

Source

Information for the F10-F22 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