F.683 High

Boiler Fault Code F.683

Also written as F683 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code F.683 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 has detected an issue with the sensor that manages the air supply to the burner, so it has safely shut itself down to prevent it from running incorrectly. (As reported on Viessmann Vitodens 100-W WB1A)

Pick your boiler brand for the F.683 fix

Source

Information for the F.683 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