High
2941 B on Worcester Bosch Greenstar 2000

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.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

224View →E9View →2942View →

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