How much does it cost to fix boiler error code C.h. operation?

Typical repair cost for the boiler C.h. operation fault is £0 including labour.

C.h. operation Low

Boiler Fault Code C.h. operation

Also written as CHOPERATION — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code C.h. operation 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 is currently running in central heating mode and this light is a normal status indicator rather than a fault. (As reported on Biasi Riva Compact 24S)

Pick your boiler brand for the C.h. operation fix

Biasi C.h. operation 1 model

Source

Information for the C.h. operation 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