How much does it cost to fix boiler error code RED, ORANGE blinking inverted?

Typical repair cost for the boiler RED, ORANGE blinking inverted fault is £200-400 including labour.

RED, ORANGE blinking inverted High

Boiler Fault Code RED, ORANGE blinking inverted

Also written as REDORANGEBLINKINGINVERTED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code RED, ORANGE blinking inverted appears across 1 boiler brand and 5 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is unable to safely vent exhaust gases because the air-moving fan inside the unit has failed or lost its electrical connection. (As reported on Grant Vortex Eco)

Pick your boiler brand for the RED, ORANGE blinking inverted fix

Grant RED, ORANGE blinking inverted 5 models

Source

Information for the RED, ORANGE blinking inverted 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