BoilerFaultCodes LBC High
Boiler Fault Code LBC
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code LBC 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 heat pump's internal motor controller has encountered an electrical problem and has stopped working to protect the system. (As reported on Ideal HP290)
Pick your boiler brand for the LBC fix
Source
Information for the LBC 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