BoilerFaultCodes D.062 Low
Boiler Fault Code D.062
Also written as D062 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.062 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 simply indicating that it is currently operating in its programmed night-time energy-saving mode, which is a normal status rather than a fault. (As reported on Vaillant ecoTEC plus)
Pick your boiler brand for the D.062 fix
Source
Information for the D.062 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