Pump does not run High

Boiler Fault Code Pump does not run

Also written as PUMPDOESNOTRUN — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Pump does not run appears across 3 boiler brands and 3 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 circulating water because the part responsible for pushing it around is failing to start even when the boiler is asking for heat. (As reported on Saunier Duval Xeon 120 FF)

Pick your boiler brand for the Pump does not run fix

Baxi Pump does not run 1 model Saunier Duval Pump does not run 1 model Worcester Bosch Pump does not run 1 model

Source

Information for the Pump does not run 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