BoilerFaultCodes F.371 High
Boiler Fault Code F.371
Also written as F371 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.371 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 has stopped working because the internal fan that clears exhaust gases isn't spinning fast enough, so the system has shut down to stay safe. (As reported on Viessmann Vitodens 222-F B2TF)
Pick your boiler brand for the F.371 fix
Source
Information for the F.371 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