Short Cycling Medium
Boiler Fault Code Short Cycling
Also written as SHORTCYCLING — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Short Cycling appears across 1 boiler brand and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is rapidly turning itself on and off because it is struggling to regulate its temperature or is getting conflicting signals from your wall thermostat. (As reported on Worcester Bosch Greenstar Camray Utility)
Pick your boiler brand for the Short Cycling fix
Source
Information for the Short Cycling 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