RY2 High

Boiler Fault Code RY2

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code RY2 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's electronic control system is failing to activate its internal switching mechanism, which is preventing your heating and hot water from turning on. (As reported on Ferroli Arean)

Pick your boiler brand for the RY2 fix

Source

Information for the 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