BoilerFaultCodes E78-369 High
Boiler Fault Code E78-369
Also written as E78369 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E78-369 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 is failing to detect the airflow needed for safe operation, so it has automatically shut down to prevent it from running incorrectly. (As reported on Potterton Kingfisher MF RSL)
Pick your boiler brand for the E78-369 fix
Source
Information for the E78-369 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