BoilerFaultCodes N.324 High
Boiler Fault Code N.324
Also written as N324 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code N.324 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has lost its connection to the internal water pump, which means it cannot circulate heat around your home and will stop working. (As reported on Vaillant ecoTEC Plus 832)
Pick your boiler brand for the N.324 fix
Source
Information for the N.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 7 July 2026