BoilerFaultCodes E02-365 High
Boiler Fault Code E02-365
Also written as E02365 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E02-365 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 central control computer is experiencing an internal error, which has caused the system to shut down for your safety. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the E02-365 fix
Source
Information for the E02-365 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 7 July 2026