BoilerFaultCodes C RY2 High
Boiler Fault Code C RY2
Also written as CRY2 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code C RY2 appears across 1 boiler brand and 4 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 internal electrical fault with a component that controls the system's operation, causing it to stop working to prevent further damage. (As reported on Ferroli Arean)
Pick your boiler brand for the C RY2 fix
Source
Information for the C RY2 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