Ld High

Boiler Fault Code Ld

Also written as LD — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Ld appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected that the water inside it has become dangerously hot and has shut itself down to prevent damage or safety risks. (As reported on Baxi 130 HE (range))

Pick your boiler brand for the Ld fix

Source

Information for the Ld 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