BoilerFaultCodes PILOT FLAME DOES NOT LIGHT Emergency
Boiler Fault Code PILOT FLAME DOES NOT LIGHT
Also written as PILOTFLAMEDOESNOTLIGHT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code PILOT FLAME DOES NOT LIGHT 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 failing to ignite because it is not receiving a steady supply of gas to create the pilot flame needed to start the system. (As reported on Chaffoteaux Corvec 28 OF BF)
Pick your boiler brand for the PILOT FLAME DOES NOT LIGHT fix
Source
Information for the PILOT FLAME DOES NOT LIGHT 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