BoilerFaultCodes F.068 High
Boiler Fault Code F.068
Also written as F068 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code F.068 appears across 1 boiler brand and 3 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 detect the flame reliably, so it has turned itself off to stay safe, meaning you currently have no heating or hot water. (As reported on Vaillant ecoTEC plus)
Pick your boiler brand for the F.068 fix
Source
Information for the F.068 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