How much does it cost to fix boiler error code 2 - CIRCULATION FAILURE?

Typical repair cost for the boiler 2 - CIRCULATION FAILURE fault is £120-250 including labour.

2 - CIRCULATION FAILURE High

Boiler Fault Code 2 - CIRCULATION FAILURE

Also written as 2CIRCULATIONFAILURE — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 2 - CIRCULATION FAILURE appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected that water is not flowing through the system correctly, so it has shut down to protect itself from overheating. (As reported on Ariston Genus Premium)

Pick your boiler brand for the 2 - CIRCULATION FAILURE fix

Ariston 2 - CIRCULATION FAILURE 3 models

Source

Information for the 2 - CIRCULATION FAILURE 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