200 Low
Boiler Fault Code 200
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 200 appears across 1 boiler brand and 24 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is not currently experiencing a fault; it is simply indicating that it is actively running to provide central heating for your home. (As reported on Worcester Bosch Greenstar 8000 Life/Style)
Pick your boiler brand for the 200 fix
Source
Information for the 200 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