How much does it cost to fix boiler error code Red 'Flame Failure' neon lit?

Typical repair cost for the boiler Red 'Flame Failure' neon lit fault is £120-250 including labour.

Red 'Flame Failure' neon lit High

Boiler Fault Code Red 'Flame Failure' neon lit

Also written as REDFLAMEFAILURENEONLIT — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Red 'Flame Failure' neon lit appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has attempted to light the gas burner multiple times but has failed to detect a flame, causing it to shut down for safety reasons. (As reported on Baxi Combi 80e)

Pick your boiler brand for the Red 'Flame Failure' neon lit fix

Baxi Red 'Flame Failure' neon lit 2 models

Source

Information for the Red 'Flame Failure' neon lit 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