LA High

Boiler Fault Code LA

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code LA appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has failed to ignite after several attempts, meaning it cannot provide heating or hot water until reset or repaired. (As reported on Ideal Esprit HE)

Pick your boiler brand for the LA fix

Source

Information for the LA 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