How much does it cost to fix boiler error code RED NEON?

Typical repair cost for the boiler RED NEON fault is £120-450 including labour.

RED NEON High

Boiler Fault Code RED NEON

Also written as REDNEON — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code RED NEON appears across 4 boiler brands and 9 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has shut down completely for safety reasons and will not provide heating or hot water until it is manually reset or repaired. (As reported on Potterton Powermax HE)

Pick your boiler brand for the RED NEON fix

Baxi RED NEON 1 model Glow-worm RED NEON 1 model Grant RED NEON 4 models Potterton RED NEON 3 models

Source

Information for the RED NEON 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