FLAME CIRCUIT FAILURE High
Boiler Fault Code FLAME CIRCUIT FAILURE
Also written as FLAMECIRCUITFAILURE — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code FLAME CIRCUIT FAILURE 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 is failing to detect the flame needed to heat your home, causing the system to shut down for safety. (As reported on Johnson Starley J32 System ET)
Pick your boiler brand for the FLAME CIRCUIT FAILURE fix
Source
Information for the FLAME CIRCUIT FAILURE 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