BoilerFaultCodes 371 High
Boiler Fault Code 371
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 371 appears across 2 boiler brands and 14 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 its burner because its internal fan is not spinning fast enough to run safely, so it may not be producing heat or hot water until a qualified engineer looks at it. (As reported on Viessmann Vitodens 050-W B0HA-19)
Pick your boiler brand for the 371 fix
Source
Information for the 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 31 August 2026