2945 V Low

Worcester Bosch 2945 V Fault Code

Also written as 2945V — same fault.

The Worcester Bosch 2945 V fault code means: your boiler is switching itself on and off too frequently, which has triggered a temporary lockout to prevent internal damage.. It appears on 1 Worcester Bosch model in our database.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description: Too many short heat demands in short time period
Typical repair cost £0-120 (including labour)

DIY fix possible

Check that all radiator valves are fully open to allow water to circulateTurn off the power to the boiler, wait 30 seconds, and turn it back onReset the boiler using the button on the control panel

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Worcester Bosch models that show the 2945 V fault code

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

Source

Worcester Bosch 2945 V 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