BoilerFaultCodes D.080 Low
Boiler Fault Code D.080
Also written as D080 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.080 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 This code is simply an information display showing the total number of hours your boiler has spent running the heating system; it is not an error and requires no action. (As reported on Vaillant ecoTEC Plus 836)
Pick your boiler brand for the D.080 fix
Source
Information for the D.080 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