Boiler Fault Code CONDENSATE PUMP

Also written as CONDENSATEPUMP — same fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026

Fault code CONDENSATE PUMP 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 detected that the internal water drainage system is blocked or full, so it has safely shut itself down to prevent internal water damage. (As reported on Potterton Promax FSB 30HE)