Boiler Fault Code Motor fails to run

Also written as MOTORFAILSTORUN — same fault.

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

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

Most common meaning Your boiler has no power arriving at the unit, meaning it cannot start the burner to provide heating or hot water. (As reported on Grant Vortex Blue)