BoilerFaultCodes D.096 Low
Boiler Fault Code D.096
Also written as D096 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.096 appears across 1 boiler brand and 6 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 resetting its internal configuration back to its original factory settings, which usually happens after a software update or a manual command. (As reported on Vaillant ecoFIT Pure 830)
Pick your boiler brand for the D.096 fix
Source
Information for the D.096 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 27 April 2026