BoilerFaultCodes D.067 Low
Boiler Fault Code D.067
Also written as D067 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.067 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 currently in a temporary rest period to prevent it from switching on and off too frequently, and it will start working again automatically once this short pause is over. (As reported on Vaillant ecoTEC Pro 30)
Pick your boiler brand for the D.067 fix
Source
Information for the D.067 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