BoilerFaultCodes Pump does not stop Medium
Boiler Fault Code Pump does not stop
Also written as PUMPDOESNOTSTOP — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Pump does not stop 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's water pump is failing to switch off after the heating has finished, which will gradually wear out the pump and may indicate an internal electrical fault. (As reported on Saunier Duval Xeon 120 FF)
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Source
Information for the Pump does not stop 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