BoilerFaultCodes 23.45 kW Low
Boiler Fault Code 23.45 kW
Also written as 2345KW — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 23.45 kW 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 is operating correctly and this is simply an informational message indicating your unit's current heating power setting. (As reported on Baxi Barcelona)
Pick your boiler brand for the 23.45 kW fix
Source
Information for the 23.45 kW 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