D.068 High

Boiler Fault Code D.068

Also written as D068 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code D.068 appears across 1 boiler brand and 7 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 light the flame on the first try, which may be caused by a temporary interruption in gas supply or a buildup of debris around the ignition sensor. (As reported on Vaillant ecoTEC Plus 832)

Pick your boiler brand for the D.068 fix

Source

Information for the D.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