BoilerFaultCodes flame or gas fault High
Boiler Fault Code flame or gas fault
Also written as FLAMEORGASFAULT — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code flame or gas fault 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 failed to ignite or lost its flame, meaning it cannot produce heat or hot water. (As reported on Heatline Compact 20)
Pick your boiler brand for the flame or gas fault fix
Source
Information for the flame or gas fault 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