F.184 High
Boiler Fault Code F.184
Also written as F184 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.184 appears across 1 boiler brand and 4 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 electrical fault with the sensors responsible for monitoring water temperature and safety, causing it to shut down to prevent potential damage. (As reported on Viessmann Vitodens 100-W WB1A)
Pick your boiler brand for the F.184 fix
Source
Information for the F.184 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