BoilerFaultCodes 9A361 High
Boiler Fault Code 9A361
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 9A361 appears across 1 boiler brand and 1 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 parts are not communicating correctly because they appear to be mismatched or incompatible with each other. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the 9A361 fix
Source
Information for the 9A361 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