D.182 High
Boiler Fault Code D.182
Also written as D182 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code D.182 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 having difficulty communicating with the gas control system, which means it cannot safely ignite the flame to heat your water or home. (As reported on Vaillant ecoTEC plus)
Pick your boiler brand for the D.182 fix
Source
Information for the D.182 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