BoilerFaultCodes C6216 High
Boiler Fault Code C6216
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code C6216 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 stopped working because the internal fan is spinning too slowly to safely clear away exhaust fumes. (As reported on Worcester Bosch GB162)
Pick your boiler brand for the C6216 fix
Source
Information for the C6216 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026