2941 B High

Worcester Bosch 2941 B Fault Code

Also written as 2941B — same fault.

The Worcester Bosch 2941 B fault code means: your boiler is struggling to operate because it is not sensing enough electricity or the water is not flowing through the system fast enough to keep it running safely.. It appears on 1 Worcester Bosch 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: Low voltage / Insuff. flow rate in boiler
Typical repair cost £120-280 (including labour)

DIY fix possible

Check that the boiler's main power switch is fully on and the plug is secureEnsure all radiator valves are fully open to allow water to circulateCheck if your mains water pressure has dropped significantlyRestart the boiler using the reset button

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Worcester Bosch models that show the 2941 B fault code

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

Source

Worcester Bosch 2941 B fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

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