BoilerFaultCodes CE 266 High
Boiler Fault Code CE 266
Also written as CE266 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code CE 266 appears across 1 boiler brand and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because the internal pump that moves water through the system is not starting or circulating correctly. (As reported on Worcester Bosch Danesmoor)
Pick your boiler brand for the CE 266 fix
Source
Information for the CE 266 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