BoilerFaultCodes 324 High
Boiler Fault Code 324
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 324 appears across 2 boiler brands 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 electronic control system is confused because it is receiving conflicting or identical signals from two different sensors, causing it to shut down for safety. (As reported on ECA FELiS FL 50 HM)
Pick your boiler brand for the 324 fix
Source
Information for the 324 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 31 August 2026