BoilerFaultCodes F.375 High
Boiler Fault Code F.375
Also written as F375 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.375 appears across 1 boiler brand 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 is struggling to automatically adjust its internal settings to burn gas efficiently, which has caused it to stop working to ensure your safety. (As reported on Viessmann Vitodens 100-W WB1A)
Pick your boiler brand for the F.375 fix
Source
Information for the F.375 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