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

Typical repair cost for the boiler CRC error fault is £250-400 including labour.

CRC error High

Boiler Fault Code CRC error

Also written as CRCERROR — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code CRC error 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 computer has encountered a memory corruption error, meaning it has forgotten how to run the heating system properly. (As reported on Halstead Finest 80)

Pick your boiler brand for the CRC error fix

Halstead CRC error 4 models

Source

Information for the CRC error 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