Boiler Fault Code 2951 V

Also written as 2951V — same fault.

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

Fault code 2951 V appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is repeatedly failing to keep its internal flame lit, so it has safely shut itself down to prevent gas from building up. (As reported on Worcester Bosch Greenstar 4000)