BoilerFaultCodes IPX5D Low
Boiler Fault Code IPX5D
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code IPX5D appears across 2 boiler brands and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning This code is not actually an error message, but an official label on your boiler casing indicating that the unit is built to withstand water splashes and humidity. (As reported on Main Eco Compact System)
Pick your boiler brand for the IPX5D fix
Source
Information for the IPX5D 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