BoilerFaultCodes LE High
Boiler Fault Code LE
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code LE 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's main control computer is experiencing a communication or processing error, which has caused it to stop working for your safety. (As reported on Ideal Esprit HE)
Pick your boiler brand for the LE fix
Source
Information for the LE 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