How much does it cost to fix boiler error code CC?

Typical repair cost for the boiler CC fault is £90-180 including labour.

CC Low

Boiler Fault Code CC

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code CC appears across 2 boiler brands and 14 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has lost connection to the weather sensor outside, but it should still continue to keep your home warm using its backup settings. (As reported on Worcester Bosch Greenstar 25Si Compact ErP)

Pick your boiler brand for the CC fix

Ariston CC 2 models Worcester Bosch CC 12 models

Source

Information for the CC 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 31 August 2026