BoilerFaultCodes Red neon on fascia High
Boiler Fault Code Red neon on fascia
Also written as REDNEONONFASCIA — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Red neon on fascia 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 stopped working because the water pressure in the central heating system is too low. (As reported on Glow-worm Fuelsaver Complheat 40 55)
Pick your boiler brand for the Red neon on fascia fix
Source
Information for the Red neon on fascia 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