BoilerFaultCodes 417 High
Boiler Fault Code 417
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 417 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's computer control board has experienced an internal electrical fault and is unable to communicate with its components. (As reported on Ideal Ideal Classic SE15P FF)
Pick your boiler brand for the 417 fix
Source
Information for the 417 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