How much does it cost to fix boiler error code E neon flashing?

Typical repair cost for the boiler E neon flashing fault is £90-160 including labour.

E neon flashing High

Boiler Fault Code E neon flashing

Also written as ENEONFLASHING — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E neon flashing 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 has detected a problem with one of its internal temperature sensors, meaning it cannot accurately monitor the water temperature and has stopped working as a safety precaution. (As reported on Baxi Combi 130e)

Pick your boiler brand for the E neon flashing fix

Baxi E neon flashing 1 model

Source

Information for the E neon flashing 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