BoilerFaultCodes Pilot extinguishes Emergency
Boiler Fault Code Pilot extinguishes
Also written as PILOTEXTINGUISHES — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code Pilot extinguishes 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 automatically shut down to protect itself from overheating, and the pilot light has gone out as a result. (As reported on Chaffoteaux Challenger 50 OF)
Pick your boiler brand for the Pilot extinguishes fix
Source
Information for the Pilot extinguishes 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 7 July 2026