BoilerFaultCodes Pump High
Boiler Fault Code Pump
Also written as PUMP — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Pump appears across 1 boiler brand and 2 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 that water is failing to circulate correctly through the system, which will prevent it from heating your home or providing hot water. (As reported on Ideal Concord CXA 40-120)
Pick your boiler brand for the Pump fix
Source
Information for the Pump 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