BoilerFaultCodes Condensate pump failed High
Boiler Fault Code Condensate pump failed
Also written as CONDENSATEPUMPFAILED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Condensate pump failed 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 has stopped working because the internal pump that removes waste water is not functioning, causing a safety shutdown to prevent a leak. (As reported on Worcester Bosch Greenstar i)
Pick your boiler brand for the Condensate pump failed fix
Source
Information for the Condensate pump failed 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