How much does it cost to fix boiler error code 2 red flashes?

Typical repair cost for the boiler 2 red flashes fault is £100-£350 including labour.

2 red flashes High

Boiler Fault Code 2 red flashes

Also written as 2REDFLASHES — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code 2 red flashes 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 become too hot and has shut itself down as a safety precaution to prevent damage. (As reported on Baxi EcoBlue Plus Combi)

Pick your boiler brand for the 2 red flashes fix

Baxi 2 red flashes 13 models Main 2 red flashes 1 model

Source

Information for the 2 red flashes 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