BoilerFaultCodes 114 Low
Boiler Fault Code 114
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 114 appears across 3 boiler brands and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has detected a problem with its external temperature sensor, which helps it understand how hard it needs to work based on the weather outside. (As reported on Ariston Alteas One)
Pick your boiler brand for the 114 fix
Source
Information for the 114 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