Pump does not run High

Baxi Pump does not run Fault Code

Also written as PUMPDOESNOTRUN — same fault.

The Baxi Pump does not run fault code means: your boiler's water pump is failing to start, which prevents heat from moving around your home and keeps the boiler from working correctly.. It appears on 1 Baxi model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Go to section 'B' - Check 230V supply at pump and PCB - M1 connector terminals 8 & 15. Check if pump is jammed.
Typical repair cost £150-300 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Baxi models that show the Pump does not run fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Baxi Pump does not run fault code information on this page is sourced and cross-checked against the official Baxi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026