LD2 Low

Boiler Fault Code LD2

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code LD2 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 Your boiler is operating normally and is currently in standby mode or waiting for a signal to provide heating or hot water. (As reported on Vokera Option)

Pick your boiler brand for the LD2 fix

Biasi LD2 2 models Vokera LD2 1 model

Source

Information for the LD2 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