BoilerFaultCodes E02-379 High
Boiler Fault Code E02-379
Also written as E02379 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E02-379 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 has detected an internal communication error with its main control unit, meaning it is unable to safely manage its heating operations. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the E02-379 fix
Source
Information for the E02-379 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