How much does it cost to fix boiler error code Pump not running?

Typical repair cost for the boiler Pump not running fault is £150-250 including labour.

Pump not running High

Boiler Fault Code Pump not running

Also written as PUMPNOTRUNNING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Pump not running appears across 2 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 failing to circulate water because the internal pump has seized or stopped working, meaning you will currently have no heating or hot water. (As reported on Ariston Micro Combi 27 MFFI)

Pick your boiler brand for the Pump not running fix

Ariston Pump not running 2 models Chaffoteaux Pump not running 1 model

Source

Information for the Pump not running 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