Boiler Fault Code FAIL POINT C

Also written as FAILPOINTC — same fault.

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

Fault code FAIL POINT C appears across 1 boiler brand and 4 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler’s internal control system has suffered an electrical component failure and can no longer manage the heating process. (As reported on Worcester Bosch Greenstar Si)